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Caporn, S. J. M., T. W. Ashenden, et al. (2000). The effect of exposure to NO2 and SO2 on frost hardiness in Calluna vulgaris. Environmental and Experimental Botany. April 43(2): 111-119. {a} Department of Environmental and Leisure Studies, Crewe and Alsager Faculty, Manchester Metropolitan University, Crewe Green Road, Crewe, CW 1 5DU, UK

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Hicks, W. K., I. D. Leith, et al. (2000). Can the foliar nitrogen concentration of upland vegetation be used for predicting atmospheric nitrogen deposition? Evidence from field surveys. Environmental Pollution 107(3): 367-376. {a} Department of Biology, Stockholm Environment Institute at York, University of York, York, YO1 5YW, UK

Hopkins, K. E. and M. P. McQuilken (2000). Characteristics of Pestalotiopsis associated with hardy ornamental plants in the UK. European Journal of Plant Pathology. Jan. 106(1): 77-85. {a} Crop Protection Compendium, CAB International, Wallingford, OX10 8DE, UK

Hughes, P. D. M. (2000). A reappraisal of the mechanisms leading to ombrotrophy in British raised mires. Ecology Letters. Jan. 3(1): 7-9. {a} Palaeoecology Laboratory, Department of Geography, University of Southampton, Highfield, Southampton, Hampshire, SO17 1BJ, UK

Huopalainen, M., E. S. Tuittila, et al. (2000). The potential of soil seed banks for revegetation of bogs in SW Finland after long-term aerial pollution. Annales Botanici Fennici. April 37(1): 1-9. {a} Department of Forest Ecology, University of Helsinki, FIN-00014, Helsinki, Finland

Johansson, M. (2000). The influence of ammonium nitrate on the root growth and ericoid mycorrhizal colonization of Calluna vulgaris (L.) Hull from a Danish heathland. Oecologia Berlin. [print] May 123(3): 418-424. {a} Department of Mycology, Botanical Institute, University of Copenhagen, Oster Farimagsgade 2D, DK-1353, Copenhagen K, Denmark

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Ogren, E. (2000). Maintenance respiration correlates with sugar but not nitrogen concentration in dormant plants. Physiologia Plantarum. March 108(3): 295-299. {a} Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, SE-901 83, Umea, Sweden

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Syrett, P., L. A. Smith, et al. (2000). A European pest to control a New Zealand weed: Investigating the safety of heather beetle, Lochmaea suturalis (Coleoptera: Chrysomelidae) for biological control of heather, Calluna vulgaris. Bulletin of Entomological Research. [print] April 90(2): 169-178. {a} Landcare Research, Lincoln, New Zealand

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Verburg, P. S. J. and B. N. van (2000). Nitrogen transformations in a forested catchment in southern Norway subjected to elevated temperature and CO2. Forest Ecology and Management. April 129(1-3): 31-39. {a} Biological Sciences Center, Desert Research Institute, 2215 Raggio Parkway, Reno, NV, 89512, USA

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Anderson, J. M. and S. L. Hetherington (1999). Temperature, nitrogen availability and mixture effects on the decomposition of heather (Calluna vulgaris (L.) Hull) and bracken (Pteridium aquilinum (L.) Kuhn) litters. Functional Ecology. June 13(Suppl. 1): 116-124. {a} Department of Biological Sciences, Hatherly Laboratories, University of Exeter, Exeter, EX4 4PS, UK

Andrade, P. B., M. T. Amaral, et al. (1999). Physicochemical attributes and pollen spectrum of Portuguese heather honeys. Food Chemistry. Sept. 66(4): 503-510. {a} CEQUP/Lab. de Farmacognosia, Faculdade de Farmacia, Universidade do Porto, R. Anibal Cunha, 164, 4050, Porto, Portugal

Barton, D., S. M. Gammack, et al. (1999). Sulphate adsorption and acidification of Calluna heathland and Scots pine forest podzol soils in north-east Scotland. Forest Ecology and Management 114(1): 151-164. {a} Department of Plant and Soil Science, University of Aberdeen, Old Aberdeen, AB24 3UU, UK

Bergquist, J., G. Orlander, et al. (1999). Deer browsing and slash removal affect field vegetation on south Swedish clearcuts. Forest Ecology and Management 115(2-3): 171-182. {a} Asa Forest Research Station, Swedish University of Agricultural Sciences, S-36030, Lammhult, Sweden

Bragazza, L. (1999). Spatial patterns of plant species in a poor mire on the Southern Alps (Italy). Plant Biosystems 133(1): 83-92. {a} Department of Biology, Section of Botany, University of Ferrara, Corso Porta Mare 2, 44100, Ferrara, Italy

Carro, M. D., S. Lopez, et al. (1999). Effect of nitrogen form (casein and urea) on the in vitro degradation of cell walls from six forages. Journal of Animal Physiology and Animal Nutrition. Aug. 81(4-5): 212-222. {a} Departamento de Produccion Animal I, Universidad de Leon, 24071, Leon, Spain

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Downie, I. S., W. L. Wilson, et al. (1999). The impact of different agricultural land-uses on epigeal spider diversity in Scotland. Journal of Insect Conservation. Dec. 3(4): 273-286. {a} Environmental Division, Scottish Agricultural College, Auchincruive, Ayr, KA6 5HW, UK

Gedykh, V. B. (1999). Distribution of some plants in Vaccinium vitis-idaea pine forests in dependence of a position in relief and regime of illuminatation. Botanicheskii Zhurnal St Petersburg. July 84(7): 97-102.

Gordon, C., S. J. Woodin, et al. (1999). Effects of increased temperature, drought and nitrogen supply on two upland perennials of contrasting functional type: Calluna vulgaris and Pteridium aquilinum. New Phytologist. May 142(2): 243-258. {a} Department of Plant and Soil Science, University of Aberdeen, St Machar Drive, Cruickshank Building, Aberdeen, AB24 3UU, UK

Gordon, C., S. J. Woodin, et al. (1999). Effects of environmental change, including drought, on water use by competing Calluna vulgaris (heather) and Pteridium aquilinum (bracken). Functional Ecology. June 13(Suppl. 1): 96-106. {a} Department of Plant and Soil Science, University of Aberdeen, St Machar Drive, Cruickshank Building, Aberdeen, AB24 3UU, UK

Guyot, C., V. Scheirman, et al. (1999). Floral origin markers of heather honeys: Calluna vulgaris and Erica arborea. Food Chemistry 64(1): 3-11. {a} Univ. Catholique Louvain, Unite Brasserie Industries Alimentaires, Place Croix du Sud 2/Bte 7, B-1348 Louvain-la-Neuve, Belgium

Hartley, S. E. and L. Amos (1999). Competitive interactions between Nardus stricta L. and Calluna vulgaris (L.) Hull: The effect of fertilizer and defoliation on above- and below-ground performance. Journal of Ecology. April 87(2): 330-340. {a} Banchory Research Station, Institute of Terrestrial Ecology, Banchory, Aberdeenshire, AB31 4BY, UK

Hodkinson, I. D., J. Bird, et al. (1999). Climatic signals in the life histories of insects: The distribution and abundance of heather psyllids (Strophingia spp.) in the UK. Functional Ecology. June 13(Suppl. 1): 83-95. {a} School of Biological and Earth Sciences, Liverpool John Moores University, Byrom Sreet, Liverpool, L3 3AF, UK

Jackson, G. E., J. Irvine, et al. (1999). Xylem acoustic emissions and water relations of Calluna vulgaris L. at two climatological regions of Britain. Plant Ecology 140(1): 3-14. {a} Institute of Ecology and Resource Management, University of Edinburgh, Mayfield Road, Darwin Building, Edinburgh, EH9 3JU, UK

Latham, J., B. W. Staines, et al. (1999). Comparative feeding ecology of red (Cervus elaphus) and roe deer (Capreolus capreolus) in Scottish plantation forests. Journal of Zoology London. March 247(3): 409-418. {a} Countryside Council for Wales, Plas Penrhos, Ffordd Penrhos, Bangor, Gwynedd, LL57 2LQ, UK

Leuschner, C. and M. W. Rode (1999). The role of plant resources in forest succession: Changes in radiation, water and nutrient fluxes, and plant productivity over a 300-yr-long chronosequence in NW-Germany. Perspectives in Plant Ecology Evolution and Systematics 2(1): 103-147. {a} Plant Ecology, FB 19, University of Kassel, Heinrich-Plett-Strasse, 34132, Kassel, Germany

Lindbladh, M. and S. G. Nilsson (1999). Forest and trees in the cultural landscape at Stenbrohult, S Sweden - vegetation history based on biological and historical archives. Svensk Botanisk Tidskrift 93(1): 19-31. {a} Institutionen for sydsvensk skogsvetenskap, SLU, SE-230 53, Alnarp, Sweden

Mahy, G., R. A. Ennos, et al. (1999). Allozyme variation and genetic structure of Calluna vulgaris (heather) populations in Scotland: The effect of postglacial recolonization. Heredity . June 82(6): 654-660. {a} Unite D'Ecologie et de Biogeographie, Universite catholique de Louvain, Place Croix du Sud, 5, B-1348, Louvain-la-Neuve, Belgium

Mahy, G. and A. L. Jacquemart (1999). Early inbreeding depression and pollen competition in Calluna vulgaris (L.) Hull. Annals of Botany London. June 83(6): 697-704. {a} Unite d'Ecologie et de Biogeographie, Universite Catholique de Louvain, Place Croix du Sud 5, B-1348, Louvain-la-Neuve, Belgium

Mahy, G., X. Vekemans, et al. (1999). Patterns of allozymic variation within Calluna vulgaris populations at seed bank and adult stages. Heredity . April 82(4): 432-440. {a} Unite d'Ecologie et de Biogeographie, Universite Catholique de Louvain, Place Croix du Sud 5, B-1348, Louvain-la-Neuve, Belgium

Meikle, A., S. Paterson, et al. (1999). Genetic characterization of heather (Calluna vulgaris (L.) Hull) subject to different management regimes across Great Britain. Molecular Ecology. Dec. 8(12): 2037-2047. {a} Division of Plant Science, Scottish Agricultural College, Auchincruive, Ayr, KA6 5HW, UK

Micieta, K. and G. Murin (1999). Retrospective biomonitoring: A hundred years of environmental pollution at selected areas in Slovakia. Journal of Environmental Pathology Toxicology and Oncology 18(4): 335-338. {a} Faculty of Natural Sciences, Institute of Cellular Biology, Comenius University, Revova 39, 811 02, Bratislava, Slovakia

Milligan, A. L., P. D. Putwain, et al. (1999). A laboratory assessment of the relative susceptibility of Molinia caerulea (L.) Moench and Calluna vulgaris (L.) Hull to a range of herbicides. Annals of Applied Biology. Oct. 135(2): 503-508. {a} Division of Environmental and Evolutionary Biology, Institute of Biomedical Life Sciences, University of Glasgow, University Avenue, Graham Kerr Building, Glasgow, G12 8QQ, UK

Morellet, N. and B. Guibert (1999). Spatial heterogeneity of winter forest resources used by deer. Forest Ecology and Management. Oct. 123(1): 11-20. {a} Cemagref, Ecosystemes Forestiers et Paysages, Domaine des Barres 45290, Nogent-sur-Vernisson, France

Nygaard, P. H. and T. Odegaard (1999). Sixty years of vegetation dynamics in a south boreal coniferous forest in southern Norway. Journal of Vegetation Science. Feb. 10(1): 5-16. {a} Norwegian Forest Research Institute, Hogskoleveien 12, N-1432, Aas, Norway

Olivan, M. and K. Osoro (1999). Effect of temperature on alkane extraction from faeces and herbage. Journal of Agricultural Science. May 132(3): 305-312. {a} Centro de Investigacion Aplicada y Tecnologia Agroalimentaria (CIATA), 33.300, Villaviciosa, Asturias, Spain

Oom, S. P. and A. J. Hester (1999). Heather utilisation along paths by red deer and sheep in a natural heather/grass mosaic. Botanical Journal of Scotland 51(1): 23-38. {a} Macaulay Land Use Research Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK

Pakeman, R. J., R. P. Cummins, et al. (1999). Potential climatic control of seedbank density. Seed Science Research 9(1): 101-110. {a} Macaulay Land Use Research Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK

Pennanen, T., J. Liski, et al. (1999). Structure of the microbial communities in coniferous forest soils in relation to site fertility and stand development stage. Microbial Ecology. Aug. 38(2): 168-179. {a} Finnish Forest Research Institute, 01301, Vantaa, Finland

Pietsch, W. (1999). Vegetation development in the landscape of the Lusatian lignite mining district. Abhandlungen Naturwissenschaftlichen Verein zu Bremen. [print] 44(2-3): 593-605. {a} Lehrstuhl fuer Bodenschutz und Rekultivierung, Professur Spezielle Rekultivierung, D - 03013, Cottbus, Germany

Saunders, L. M., D. M. Tompkins, et al. (1999). The dynamics of nematode transmission in the red grouse (Lagopus lagopus scoticus): Studies on the recovery of Trichostrongylus tenuis larvae from vegetation. Journal of Helminthology. June 73(2): 171-175. {a} Institute of Biological Sciences, University of Stirling, Stirling, FK9 4LA, UK

Schellberg, J., B. M. Moeseler, et al. (1999). Long-term effects of fertilizer on soil nutrient concentration, yield, forage quality and floristic composition of a hay meadow in the Eifel mountains, Germany. Grass and Forage Science. Sept. 54(3): 195-207. {a} Institut fuer Pflanzenbau, Katzenburgweg 5, D 53115, Bonn, Germany

Sedlakova, I. and M. Chytry (1999). Regeneration patterns in a Central European dry heathland: Effects of burning, sod-cutting and cutting. Plant Ecology. July 143(1): 77-87. {a} Department of Systematic Botany and Geobotany, Masaryk University, Kotlarska 2, CZ-611 37, Brno, Czech Republic

Strandberg, M. and M. Johansson (1999). Uptake of nutrients in Calluna vulgaris seed plants grown with and without mycorrhiza. Forest Ecology and Management 114(1): 129-135. {a} Department of Terrestrial Ecology, National Environmental Research Institute, Vejlsovej 25, 8600, Silkeborg, Denmark

Summers, R. W., R. A. Mavor, et al. (1999). The structure of ancient native pinewoods and other woodlands in the Highlands of Scotland. Forest Ecology and Management. June 119(1-3): 231-245. {a} Royal Society for the Protection of Birds, Beechwood Park, Etive House, Inverness, IV2 3BW, UK

Szkudlarz, P. (1999). The morphological and anatomical structure of dry fruits in the family Ericaceae. Biological Bulletin of Poznan 36(1): 27-41. {a} Department of Plant Taxonomy, A. Mickiewicz University, Niepodleglosci 14, 61-713, Poznan, Poland

Tobaben, P. and H. G. Kulp (1999). Vegetation development over an 18 year period in a raised bog in northwest Germany following deforesting and sodding. Abhandlungen Naturwissenschaftlichen Verein zu Bremen. [print] 44(2-3): 607-624. {a} Abt. Geobotanik und Naturschutz, Fachbereich 2: Biologie/Chemie, Institut fuer Oekologie und Evolutionsbiologie, Universitaet Bremen, D - 28334, Bremen, Germany

Virtanen, R., P. Poyhtari, et al. (1999). Topographic and altitudinal patterns of heath vegetation on Vannoya and the northern Varanger Peninsula, northern Norway. Acta Botanica Fennica. Sept. 167: 3-28. {a} Department of Biology, University of Oulu, FIN-90401, Oulu, Finland

Wilman, D., S. A. Byrne, et al. (1999). Persistence of sown species and ingress of unsown species in agriculturally improved hill swards. Journal of Agricultural Science 132(2): 155-161. {a} Welsh Institute of Rural Studies, University of Wales, Aberystwyth, Ceredigion, SY23 3AL, UK

Alonso, I. and S. E. Hartley (1998). Effects of nutrient supply, light availability and herbivory on the growth of heather and three competing grass species. Plant Ecology 137(2): 203-212. Inst. Terrestrial Ecol., Banchory Res. Station, Banchory, Aberdeenshire AB31 4BY, UK

Appelqvist, T., R. Gimdal, et al. (1998). The alcon blue (Maculinea alcon) in the region of Vastra Gotaland - Habitat selection and aspects on conservartion. Entomologisk Tidskrift 119(3-4): 121-130. {a} Pro Natura, Orustgatan 8A, S-414 74, Goteborg, Sweden

Arp, W. J., M. J. E. M. Van, et al. (1998). Interactions between elevated CO2 concentration, nitrogen and water: Effects on growth and water use of six perennial plant species. Plant Cell and Environment 21(1): 1-11. {a} Dep. Environ. Sci./Nat. Conserv. Plant Ecol. Group, Wageningen Agric. Univ., Bornsesteeg 69, 6708 PD Wageningen, Netherlands

Brakehielm, S. and Q. Liu (1998). Long-term effects of clear-felling on vegetation dynamics and species diversity in a boreal pine forest. Biodiversity and Conservation 7(2): 207-220. {a} Dep. Environmental Assessment, Swedish Univ. Agricultural Sciences, Box 7050, S-750 07 Uppsala, Sweden

Brugge, B., D. S. E. Van, et al. (1998). Honeybees in nature areas. Levende Natuur 99(2): 71-76. {a} Zool. Mus., Afd. Entomol., Plantage Middenlaan 64, 1018 DH Amsterdam, Netherlands

Cooper, E. A. and M. C. Proctor (1998). Malham Tarn national nature reserve: The vegetation of Malham Tarn moss and fens. Field Studies 9(2): 277-312. {a} CPRE London, London, UK

Davy, A. J., S. J. Dunsford, et al. (1998). Acidifying peat as an aid to the reconstruction of lowland health on arable soil: Lysimeter experiments. Journal of Applied Ecology 35(5): 649-659. {a} Sch. Biological Sci., Univ. East Anglia, Norwich NR4 7TJ, UK

de, G. M. C. C., R. Bobbink, et al. (1998). Differential effects of ammonium and nitrate on three heartland species. Plant Ecology 135(2): 185-196. {a} Dep. Ecol., Researchgroup Environ. Biol., Univ. Nijmegen, Toernooiveld 1, 6525 ED Nijmegen, Netherlands

Dunsford, S. J., A. J. Free, et al. (1998). Acidifying peat as an aid to the reconstruction of lowland heath on arable soil: A field experiment. Journal of Applied Ecology 35(5): 660-672. {a} Sch. Biological Sci., Univ. East Anglia, Norwich NR4 7TJ, UK

Geringhoff, H. and F. J. A. Danieels (1998). Phytosociological investigations of dwarf-shrub heath communities in mountainous regions of the Czech Republic. Tuexenia(18): 103-117. {a} Institut fuer Oekologie der Pflanzen, Hindenburgplatz 55, 48143, Muenster, Germany

Haysom, K. A. and J. C. Coulson (1998). The Lepidoptera fauna associated with Calluna vulgaris: Effects of plant architecture on abundance and diversity. Ecological Entomology 23(4): 377-385. {a} Environ. Sci. Dep., SAC Auchincruive, Ayr, KA6 5HW, UK

Hester, A. J. and G. J. Baillie (1998). Spatial and temporal patterns of heather use by sheep and red deer within natural heather/grass mosaics. Journal of Applied Ecology 35(5): 772-784. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB15 8QH, UK

Hetherington, S. L. and J. M. Anderson (1998). Lignin signatures show the effects of changes in heather and bracken cover on the composition of organic matter in a moorland soil profile. Oecologia Berlin 117(1-2): 194-200. {a} ADAS Pwllpeiran, Cwmystwyth, Aberystwyth, Ceredigion SY23 4AB, UK

Hodkinson, I. D. and J. Bird (1998). Host-specific insect herbivores as sensors of climate change in arctic and alpine environments. Arctic and Alpine Research 30(1): 78-83. Sch. Biol. Earth Sci., Liverpool John Moores Univ., Byrom St., Liverpool L3 3AF, UK

Huang, Y., B. A. Stankiewicz, et al. (1998). Monitoring biomacromolecular degradation of Calluna vulgaris in a 23 year field experiment using solid state 13C-NMR and pyrolysis-GC/MS. Soil Biology and Biochemistry 30(12): 1517-1528. {a} Biogeochem. Res. Centre, Dep. Geol., Univ. Bristol, Bristol BS8 1RJ, UK

Jacobsen, O. W. and M. Ugelvik (1998). Nest habitat of Eurasian wigeon Anas penelope in SW Norway. Fauna Oslo 51(3): 89-93. {a} Avdeling for Laererutdanning, Landassvingen 15, N-5030, Landas, Norway

Kerslake, J. E., S. J. Woodin, et al. (1998). Effects of carbon dioxide and nitrogen enrichment on plant-insect interaction: The quality of Calluna vulgaris as a host for Operophtera brumata. New Phytologist 140(1): 43-53. {a} Dep. Plant Soil Science, Univ. Aberdeen, St Machar Drive, Aberdeen AB24 3UU, UK

Ketner, O. R. and W. Huijsman (1998). Drift-sand landscape in the Veluwe (The Netherlands): What is its future? Levende Natuur 99(7): 272-277. {a} Free-Lance Veg.-Ecol., Algemeer 42, 6721 GD Bennekom, Netherlands

Kristinsson, H. (1998). Plant community changes around the aluminium smelter in Straumsvik, Iceland. Natturufraedingurinn 67(3-4): 241-254. {a} Natturufraedistofnun Islands/Icelandic Inst. Nat. Hist., Postholf/P.O. Box 180, IS-602 Akureyri, Iceland

Krumbiegel, A., T. Schmidt, et al. (1998). Species dynamics and immigration processes along a boundary between an old field and dry grassland in the central German dry area. Tuexenia(18): 313-330. {a} Sektion Biozoenoseforschung, Umweltforschungszentrum Leipzig-Halle GmbH, Theodor-Lieser-Str. 4, D-06120, Halle, Germany

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Lee, J. A. and S. J. M. Caporn (1998). Ecological effects of atmospheric reactive nitrogen deposition on semi-natural terrestrial ecosystems. New Phytologist 139(1): 127-134. {a} Dep. Anim. Plant Sci., Univ. Sheffield, Sheffield S10 2TN, UK

Lindroos, A. J., J. Derome, et al. (1998). The effect of emission from Cu-Ni smelters at Nikel, NW Russia, on the quality of bulk deposition, stand throughfall and percolation water in four Scots pine stands in northern Norway and Finland. Chemosphere 36(4-5): 1101-1106. {a} Finnish Forest Res. Inst., Vantaa Res. Cent., P.O. Box 18, FIN-01301 Vantaa, Finland

Mahy, G., S. J. De, et al. (1998). The generalist pollination system and reproductive success of Calluna vulgaris in the Upper Ardenne. Canadian Journal of Botany. Nov. 76(11): 1843-1851. {a} Unite d'Ecologie et de Biogeographie, Universite catholique de Louvain, Place Croix du Sud, 5, B-1348, Louvain-La-Neuve, Belgium

Mahy, G. and A. L. Jacquemart (1998). Mating system of Calluna vulgaris: Self-sterility and outcrossing estimations. Canadian Journal of Botany 76(1): 37-42. {a} Unite Ecol. Biogeogr., Univ. Catholique Louvain, Place Croix du Sud 5, B-1348 Louvain-la-Neuve, Belgium

Marrs, R. H., S. W. Johnson, et al. (1998). Control of bracken and restoration of heathland. VII. The response of bracken rhizomes to 18 years of continued bracken control or 6 years of control followed by recovery. Journal of Applied Ecology 35(5): 748-757. {a} Applied Ecology Res. Group Sch. Biological Sci., Univ. Liverpool, P.O. Box 147, Liverpool L69 3BX, UK

McGowan, G. M., N. G. Bayfield, et al. (1998). The status of Juniperus communis ssp. nana (dwarf juniper) communities at six sites in North and North-west Scotland. Botanical Journal of Scotland 50(1): 21-28. Inst. Terrestrial Ecol., Hill Brathens, Glassel, Banchory AB31 4BY, UK

Mikheev, A. V. (1998). A new form of Lochmaea (Coleoptera, Chrysomelidae) from bog bilberry, bilberry and wild rosemary. Zoologicheskii Zhurnal 77(4): 431-437. {a} Fac. Biol., Mosc. State Univ., Moscow 119899, Russia

Miles, J. E., J. S. Bale, et al. (1998). Life cycle regulation in the heather psyllid Strophinigia ericae: Responses to temperature and photoperiod. Physiological Entomology 23(4): 376-381. {a} Sch. Biological Sciences, Univ. Birmingham, Edgbaston, Birmingham B15 2TT, UK

Nierop, K. G. J. and P. Buurman (1998). Composition of soil organic matter and its water-soluble fraction under young vegetation on drift sand, central Netherland. European Journal of Soil Science 49(4): 605-615. {a} Dep. Environ. Sci., Lab. Soil Sci. Geol., Wageningen Agric. Univ., PO Box 37, 6700 AA Wageningen, Netherlandq

Pettitt, T. R., A. R. Finlay, et al. (1998). Development of a system simulating commercial production conditions for assessing the potential spread of Phytophthora cryptogea root rot of hardy nursery stock in recirculating irrigation water. Annals of Applied Biology 132(1): 61-75. Hortic. Res. Int., Efford, Lymington, Hampshire SO41 0LZ, UK

Power, S. A., M. R. Ashmore, et al. (1998). Effects of nitrogen addition on the stres sensitivity of Calluna vulgaris. New Phytologist 138(4): 663-673. {a} Imperial Coll. Sci. Technol. Med., Silwood Park, Ascot, Berkshire SL5 7PY, UK

Schjoerring, J. K., S. Husted, et al. (1998). Soil-plant-atmosphere ammonia exchange associated with Calluna vulgaris and Deschampsia flexuosa. Atmospheric Environment 32(3): 507-512. {a} Plant Nutr. Lab., Cent. Ecol. Environ., Royal Vet. Agric. Univ., Thorvaldsensvej 40, DK-1871 Frederiksberg C, Copenhagen, Denmark

Skre, O., F. E. Wielgolaski, et al. (1998). Biomass and chemical composition of common forest plants in response to fire in western Norway. Journal of Vegetation Science 9(4): 501-510. {a} Norwegian Forest Res. Inst., N-5047 Fana, Norway

Strandberg, M. and M. Johansson (1998). 134 in heather seed plants grown with and without mycorrhiza. Journal of Environmental Radioactivity 40(2): 175-184. {a} Natl. Environmental Res. Inst., Vejlsovej 25, 8600 Silkeborg, Denmark

Verburg, P. S. J., A. Gorissen, et al. (1998). Carbon allocation and decomposition of root derived organic matter in a plant-soil system of Calluna vulgaris as affcted by elevated CO2. Soil Biology and Biochemistry 30(10-11): 1251-1258. {a} Dep. Soil Sci. Geol., Wageningen Agric. Univ., P.O. Box 37, 6700 AA Wageningen, Netherlands

Webb, N. R. (1998). The traditional management of European heathlands. Journal of Applied Ecology 35(6): 987-990. {a} Furzebrook Research Station, NERC Institute of Terrestrial Ecology, Wareham, Dorset, BH20 5AS, UK

Welch, D. (1998). Response of bilberry Vaccinium myrtillus L. stands in the Derbyshire Peak District to sheep grazing, and implications for moorland conservation. Biological Conservation 83(2): 155-164. {a} Inst. Terrestrial Ecol., Banchory Res. Station, Hill Brathens, Banchory, Kincardineshire AB31 4BY, UK

White, C. C., R. P. Smart, et al. (1998). Effects of atmospheric sea-salt deposition on soils and freshwaters in northeast Scotland. Water Air and Soil Pollution 105(1-2): 83-94. Dep. Plant and Soil Sci., Univ. Aberdeen, Aberdeen AB24 3UU, UK

Alonso, I. and O. C. Garcia (1997). Mineral composition of soils and vegetation from six mountain grassland communities in northern Spain. Journal of the Science of Food and Agriculture 73(2): 200-206. {a} Inst. Terrestrial Ecol., Banchory Res. Stn., Banchory, Kincardineshire AB31 4BY, UK

Armstrong, H. M., I. J. Gordon, et al. (1997). A model of the grazing of hill vegetation by sheep in the UK. II. The prediction of offtake by sheep. Journal of Applied Ecology 34(1): 186-207. {a} Scottish Natural Heritage, 2 Anderson Place, Edinburgh EH6 5NP, UK

Clarke, C. T. (1997). Role of soils in determining sites for lowland heathland reconstruction in England. Restoration Ecology 5(3): 256-264. Sch. Environ. Sci., Univ. E. Anglia, Norwich NR4 7TJ, UK

De, G. M. C. C., R. Bobbink, et al. (1997). Aluminium toxicity and tolerance in three heathland species. Water Air and Soil Pollution 98(3-4): 229-239. Dep. Ecol., Researchgroup Environ. Biol., Univ. Nijmegen, P.O. Box 9010, 6500 GL Nijmegen, Netherlands

Dean, W. R. J., S. J. Milton, et al. (1997). The role of ant nest-mounds in maintaining small-scale patchiness in dry grasslands in Central Germany. Biodiversity and Conservation 6(9): 1293-1307. {a} Tierberg Karoo Res. Centre, PO Box 47, Prince Albert 6930, South Africa

Ferrarini, E. and M. Bassani (1997). Blooming in the Magra Valley vegetation horizons. Webbia 52(1): 155-171. Dip. Biol. Ambientale Univ., Via P. A. Mattioli 4, I-53100 Siena, Italy

Foot, J. P., S. J. M. Caporn, et al. (1997). Evidence that ozone exposure increases the susceptibility of plants to natural frosting episodes. New Phytologist 135(2): 369-374. {a} Dep. Animal Plant Sciences, University, Sheffield S10 2TN, UK

Fraser, M. D. and I. J. Gordon (1997). Organic matter intake, diet digestibility and feeding behaviour of goats, red deer and South American camelids feeding on three contrasting Scottish vegetation communities. Journal of Applied Ecology 34(3): 687-698. {a} Inst. Grassland Environ. Res., Plas Gogerddan, Aberystwyth, Dyfed SY23 3EB, UK

Fraser, M. D. and I. J. Gordon (1997). The diet of goats, red deer and South American camelids feeding on three contrasting Scottish upland vegetation communities. Journal of Applied Ecology 34(3): 668-686. {a} Inst. Grassland Environ. Res., Plas Gogerddan, Aberystwyth, Dyfed SY23 3EB, UK

Frederic, P., D. Pierre, et al. (1997). The calcareous grasslands of the Malzeville Plateau (France): Site presentation and vegetation groups. Bulletin des Academie and Societe Lorraines des Sciences 36(3): 139-153. {a} Lab. Phytoecol., Univ. Metz, Ile du Saulcy, 57000 Metz, France

French, D. D., G. R. Miller, et al. (1997). Recent development of high-altitude Pinus sylvestris scrub in the northern Cairngorm mountains, Scotland. Biological Conservation 79(2-3): 133-144. {a} Inst. Terrestrial Ecol., Banchory, Kincardineshire AB31 4BY, UK

Groten, K. and H. Bruelheide (1997). Differences in soil conditions between heathlands and grasslands on Zechstein gypsum soils. Flora Jena 192(4): 347-359. {a} Syst.-Geobot. Inst., Univ. Goettingen, Untere Karspuele 2, D-37073 Goettingen, Germany

Hansen, M. D. D. and A. A. Pedersen (1997). Atypus affinis Eichwald, 1830, in Denmark. Flora og Fauna 103(1): 1-5. {a} Skejby Vaenge 159, 8200 Arhus N, Denmark

Jefferies, R. L. and J. L. Maron (1997). The embarrassment of riches: Atmospheric deposition of nitrogen and community and ecosystem processes. Trends in Ecology and Evolution 12(2): 74-78. {a} Dep. Bot., Univ. Toronto, Toronto, ON M5S 3B2, Canada

Kerley, S. J. and D. J. Read (1997). The biology of mycorrhiza in the Ericaceae: XIX. Fungal mycelium as a nitrogen source for the ericoid mycorrhizal fungus Hymenoscyphus ericae and its host plants. New Phytologist 136(4): 691-701. {a} Dep. Anim. Plant Sci., Univ. Sheffield, Sheffield S10 2N, UK

Kerslake, J. E. and S. E. Hartley (1997). Phenology of winter moth feeding on common heather: Effects of source population and experimental manipulation of hatch dates. Journal of Animal Ecology 66(3): 375-385. {a} Dep. Plant Soil Sci., Univ. Aberdeen, St Machar Drive, Aberdeen AB24 3UL, UK

Kirkpatrick, A. H. and B. S. Rushton (1997). The vegetation of Long Mountain, Co. Antrim, Northern Ireland. Botanical Journal of Scotland 49(1): 19-26. Dep. Biol. Biomed. Sci., Univ. Ulster, Coleraine, Northern Ireland BT52 1SA, Ireland

Litterick, A. M. and M. P. McQuilken (1997). Chemical control of binucleate Rhizoctonia during propagation of Calluna vulgaris in Scotland. Crop Protection 16(2): 173-178. {a} Plant Sci. Dep., Scottish Agricultural College, Auchincruive, Ayr KA6 5HW, UK

Little, D., E. Farrell, et al. (1997). Land-use legacies and soil development in semi-natural ecosystems in the marginal uplands of Ireland. CATENA 30(1): 83-98. {a} Dep. Environmental Resource Management, Univ. Coll. Dublin, Dublin, Ireland

MacMillan, D. C., W. Towers, et al. (1997). Modelling the potential distribution of the native woodland resource in the Cairngorms. Scottish Forestry 51(2): 70-75. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB15 8QH, UK

Mahy, G., X. Vekemans, et al. (1997). Allozyme diversity and genetic structure in South-Western populations of heather, Calluna vulgaris. New Phytologist 137(2): 325-334. {a} Unite d'Ecol. Biogeographie, Univ. Catholique Louvain, Place Croix du Sud 5, B-1348 Louvain-la-Neuve, Belgium

McQuilken, M. P., A. M. Litterick, et al. (1997). Evaluation of fungicides against Pestalotiopsis sydowiana on Calluna vulgaris and Rhododendron. Tests of Agrochemicals and Cultivars(18): 20-21. Plant Sci. Dep., Scottish Agric. Coll., Auchincruive, Ayr KA6 5HW, UK

Pakeman, R. J. and A. G. Marshall (1997). The seedbanks of the Breckland heaths and heath grasslands, eastern England, and their relationship to the vegetation and the effects of management. Journal of Biogeography 24(3): 375-390. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB15 8QM, UK

Palmer, S. C. F. (1997). Prediction of the shoot production of heather under grazing in the uplands of Great Britain. Grass and Forage Science 52(4): 408-424. {a} Inst. Terrestrial Ecol., Banchory Res. Stn., Hill of Brathens, Glassel, Banchory AB31 4BY, UK

Pywell, R. F., P. D. Putwain, et al. (1997). The decline of heathland seed populations following the conversion to agriculture. Journal of Applied Ecology 34(4): 949-960. {a} NERC Inst. Terrestrial Ecology, Monks Wood, Abbots Ripton, Huntington, Cambridgeshire PE17 2LS, UK

Seijo, M. C., V. Jato, et al. (1997). Palynological characterization of sweet chestnut honeys from Galicia (NW Spain). Acta Botanica Malacitana 22: 73-81. {a} Dep. Recursos Nat. Medio Ambiente, Fac. Ciencias, Edificio Politecnico, Univ. Vigo, Campus "As Lagoas", 32004 Orense, Spain

Sohlenius, B. (1997). Fluctuations of nematode populations in pine forest soil. Influence by clear-cutting. Fundamental and Applied Nematology 20(2): 103-114. Dep. Invertebrate Zoology, Swedish Museum Natural History, Box 50007, 104 05 Stockholm, Sweden

Summers, R. W., R. Proctor, et al. (1997). The structure of Abernethy Forest, Strathspey, Scotland. Botanical Journal of Scotland 49(1): 39-55. Royal Society Protection Birds, Etive House, Beechwood Park, Inverness IV2 3BW, UK

Taksdal, G. (1997). Heathlands and the heather beetle (Lochmaea suturalis). Fauna Oslo 50(1): 20-28. Planteforsk, Saerheim Forskingssenter, N-4062 Klepp St., Norway

Tallantire, P. A. (1997). Plant macrofossils from the historical period from Scoat Tarn (Wasdale), English Lake district, in relation to environmental and climatic changes. Botanical Journal of Scotland 49(1): 1-17. Thanet Well, Hutton Roof, Penrith CA11 0XX, UK

Ter, H. G., A. Schutter, et al. (1997). Viable seeds of heather in the soil of reclaimed heathland. Levende Natuur 98(4): 142-146. Lab. Plantenoecol., Rijksuniversiteit Groningen, Postbus 14, 9750 AA Haren, Netherlands

Thompson, K. and S. R. Band (1997). Survival of a lowland heathland seed bank after a 33-year burial. Seed Science Research 7(4): 409-411. {a} Unit Comparative Plant Ecol., Dep. Animal Plant Sciences, University, Sheffield S10 2TN, UK

Tolera, A., K. Khazaal, et al. (1997). Nutritive evaluation of some browse species. Animal Feed Science and Technology 67(2-3): 181-195. {a} Dep. Animal Production Rangeland Management, Awassa College Agric., PO Box 5, Awassa, Ethiopia

Uhrikova, A. and Z. Dubravcova (1997). The chromosome numbers of some selected plant species of flora in Slovakia. Oecologia Montana 6(1-2): 1-3. Dep. Botany, Fac. Nat. Sci., Comenius Univ., Renova 39, 811 02 Bratislava, Slovakia

Uren, S. C., N. Ainsworth, et al. (1997). Long-term effects of ammonium sulphate on Calluna vulgaris. Journal of Applied Ecology 34(1): 208-216. {a} Stanger Sci. Environ., Lansdowne Build., Lansdowne Road, Croydon CRO 2BX, UK

Vera, M. L. (1997). Effects of altitude and seed size on germination and seedling survival of heathland plants in north Spain. Plant Ecology 133(1): 101-106. {a} Dep. Biol. Organismos Sistemas, Univ. Oviedo, 33071 Oviedo, Spain

Welch, D. and D. Scott (1997). Decline of moorland plants following the establishment of a Scots pine plantation. Botanical Journal of Scotland 49(1): 27-37. Inst. Terrestrial Ecol., Banchory Res. Station, Hill Brathens, Glassel, Banchory, Kincardineshire AB31 4BY, UK

Whitehead, S. J., S. J. M. Caporn, et al. (1997). Effects of elevated CO-2, nitrogen and phosphorus on the growth and photosynthesis of two upland perennials: Calluna vulgaris and Pteridium aquilinum. New Phytologist 135(2): 201-211. {a} Div. Environmental Sciences, Manchester Metropolitan Univ., Crewe Alsager Faculty, Crewe, Cheshire CW1 5DU, UK

Whitehead, S. J. and J. Digby (1997). The morphology of bracken (Pteridium aquilinum (L.) Kuhn) in the North York Moors: A comparison of the mature stand and the interface with heather (Calluna vulgaris (L.) Hull) 2. The rhizome. Annals of Applied Biology 131(1): 117-131. {a} Plant Environ. Lab., Dep. Agric., Univ. Reading, Cutbush Lane, Shinfield, Reading RG2 9AD, UK

Whitehead, S. J. and J. Digby (1997). The morphology of bracken (Pteridium aquilinum (L.) Kuhn) in the North York Moors: A comparison of the mature stand and the interface with heather (Calluna vulgaris (L.) Hull) 1. The fronds. Annals of Applied Biology 131(1): 103-116. {a} Plant Environ. Lab., Dep. Agric., Univ. Reading, Cutbush Lane, Shinfield, Reading RG2 9AD, UK

Whittington, G. and K. J. Edwards (1997). Evolution of machair landscape: Pollen and related studies from Benbecula, Outer Hebrides, Scotland. Transactions of the Royal Society of Edinburgh Earth Sciences 87(4): 515-531. {a} Sch. Geography Geol., Univ. St. Andrews, St. Andrews, Fife KY16 9ST, UK

Ahlich, K. and T. N. Sieber (1996). The profusion of dark septate endophytic fungi in non-ectomycorrhizal fine roots of forest trees and shrubs. New Phytologist 132(2): 259-270. Dep. Wood For. Sci., For. Pathol. Dendrol., Swiss Fed. Inst. Technol., EGH-Zentrum, CH-8092 Zurich, Switzerland

Becker, C. (1996). Limestone grassland on Zechstein at the southern border of the Harz mountains (Thuringia). Tuexenia(16): 371-401. Systematisch-Geobotanisches Inst., Univ. Goettingen, Untere Karspuele 2, 37073 Goettingen, Germany

Beyer, L. (1996). Soil organic matter composition of spodic horizons in podzols of the Northwest German Lower Plain. Science of the Total Environment 181(2): 167-180. Institute Plant Nutrition and Soil Science, University Kiel, Olshausenstrasse 40, D-24118 Kiel, Germany

Bragazza, L. and R. Gerdol (1996). Response surfaces of plant species along water-table depth and pH gradients in a poor mire on the southern Alps (Italy). Annales Botanici Fennici 33(1): 11-20. Dep. Biol., Sect. Bot., Univ. Ferrara, Corso Porta Mare 2, I-44100 Ferrara, Italy

Buchmann, N., G. Gebauer, et al. (1996). Partitioning of 15N-labeled ammonium and nitrate among soil, litter, below- and above-ground biomass of trees and understory in a 15-year-old Picea abies plantation. Biogeochemistry Dordrecht 33(1): 1-23. {a} Dep. Biol., Univ. Utah, Salt Lake City, UT 84112, USA

Feehan, J. (1996). Coleophora pyrrhulipennella Zeller, 1839 (Lepidoptera: Coleophoridae): A life history study. Entomologist's Gazette 47(3): 169-177. St. Hilda's Coll., Oxford OX4 1DY, UK

Foot, J. P., S. J. M. Caporn, et al. (1996). The effect of long-term ozone fumigation on the growth, physiology and frost sensitivity of Calluna vulgaris. New Phytologist 133(3): 503-511. {a} Dep. Anim. Plant Sci., University, Sheffield S10 2UQ, UK

Gruber, M. (1996). The mountainous dry heaths with Arctostaphylos uva ursi (L.) Sprengel of the Hautes-Pyrenees Department (France). Bulletin de la Societe d'Histoire Naturelle de Toulouse 132: 25-28. Lab. Botanique Ecol. Mediterraneenne, Fac. des Sci. Tech. Saint-Jerome, Ave Escadrille Normandie-Niemen F-13397 Marseille Cedex 20, USA

Gruber, M. (1996). The meso-xerophilous mountainous Calluna of the Hautes-Pyrenees Department (France). Bulletin de la Societe Linneenne de Provence 47: 43-47. Lab. Bot. Ecol. Mediterraneenne, Fac. Sci. Techniques Saint-Jerome, Ave. Escadrille Normandie-Niemen, FR-13397 Marseille Cedex 20, France

Guglielmetto, M. L. (1996). Vegetational aspects of Calluna heathlands in the western Po plain (Turin, nw Piedmont, Italy). Allionia Turin 34: 343-348. VIA Torino 58, 10073 Cirie, Italy

Heil, G. W. and D. W. P. A. Van (1996). Searching for patterns and processes: Modelling of vegetation dynamics with Geographical Information Systems and Remote Sensing. Acta Botanica Neerlandica 45(4): 543-556. {a} Dep. Plant Ecol. Evol. Biol., Utrecht Univ., PO Box 800.84, 3508 TB Utrecht, Netherlands

Hester, A. J., F. J. G. Mitchell, et al. (1996). Activity patterns and resource use by sheep and red deer grazing across a grass/heather boundary. Journal of Zoology London 240(4): 609-620. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB15 8QH, UK

Ipatov, V. S., G. G. Gerasimenko, et al. (1996). Autogenic successions in lichen-moss pine forests. II. Ecotopic system of associations. Botanicheskii Zhurnal St Petersburg 81(8): 23-35. St. Petersburg State Univ., St. Petersburg, Russia

Kerslake, J. E., L. E. B. Kruuk, et al. (1996). Winter moth (Operophtera brumata (Lepidoptera: Geometridae)) outbreaks on Scottish heather moorlands: Effects of host plant and parasitoids on larval survival and development. Bulletin of Entomological Research 86(2): 155-164. {a} Dep. Plant Soil Sci., Univ. Aberdeen, St Machar Drive, Aberdeen AB9 2UD, UK

Mason, W. L. (1996). The effects of soil cultivation techniques on vegetation communities and tree growth in an upland pine forest. Part II: Tree growth. Scottish Forestry 50(2): 70-76. Forestry Commission Research Div., Northern Research Station, Roslin, Midlothian EH25 9SY, UK

McGee, E. J., K. J. Johanson, et al. (1996). An evaluation of ratio systems in radioecological studies. Health Physics 70(2): 215-221. {a} Radiol. Protection Inst. Ireland 3 Clonskeagh Square, Dublin, Ireland

Murray, A. H., G. R. Iason, et al. (1996). Effect of simple phenolic compounds of heather (Calluna vulgaris) on rumen microbial activity in vitro. Journal of Chemical Ecology 22(8): 1493-1504. {a} Natural Resources Inst., Central Ave., Chatham Maritime Chatham, Kent ME4 4TB, UK

Nordbakken, J. F. (1996). Plant niches along the water-table gradient on an ombrotrophic mire expanse. Ecography 19(2): 114-121. Botanical Garden and Museum, Univ. Oslo, Trondheimsveien 23B, N-0562 Oslo, Norway

Ojeda, F., T. Maranon, et al. (1996). Postfire regeneration of a Mediterranean heathland in Southern Spain. International Journal of Wildland Fire 6(4): 191-198. {a} Inst. Plant Conservation, Bot. Dep., Univ. Cape Town, 7700 Rondebosch, South Africa

Pakeman, R. J. and E. Hay (1996). Heathland seedbanks under bracken Pteridium aquilinum (L.) Kuhn and their importance for re-vegetation after bracken control. Journal of Environmental Management 47(4): 329-339. {a} Ecol. Process Sect., N.E.R.C. Inst. Terrestrial Ecol., Monks Wood, Abbots Ripton, Huntingdon, Cambridgeshire PE17 2LS, UK

Pausas, J. G. (1996). Influence of carbonates on the vegetation of Pyrenean Scots pine (Pinus sylvestris L.) forests. Folia Botanica Miscellanea 10: 203-209. Dep. Biol. Veg., Fac. Biol., Univ. Barcelona, Av. Diagonal 645, 08028 Barcelona, Spain

Perotto, S., P. E. Actis, et al. (1996). Molecular diversity of fungi from ericoid mycorrhizal roots. Molecular Ecology 5(1): 123-131. {a} Dip. Biol. Vegetale, Univ. Torino Centro Micol. Terreno-CNR, V.le Mattioli 25, 10125 Torino, Italy

Rogers, G. M. and J. R. Leathwick (1996). North Island seral tussock grassland. 3. The influence of heather (Calluna vulgaris) on rates of change from tussock grassland to shrubland. New Zealand Journal of Botany 34(4): 473-487. {a} Dep. Conservation, P.O. Box 5244, Dunedin, New Zealand

Sanger, L. J., M. F. Billett, et al. (1996). The effect of precipitation chemistry upon anion and cation fluxes from the surface layer of ombrotrophic mires in the UK. Journal of Applied Ecology 33(4): 754-772. {a} Dep. Biological Sci., Hatherly Lab., Univ. Exeter, Exeter EX4 4PS, UK

Sartori, F. and F. Bracco (1996). Present vegetation of the Po plain in Lombardy. Allionia Turin 34: 113-135. {a} Ist. Bot., Univ. Pavia, Via S. Epifanio 14, 27100 Pavia, Italy

Sohlenius, B. (1996). Structure and composition of the nematode fauna in pine forest soil under the influence of clear-cutting. Effects of slash removal and field layer vegetation. European Journal of Soil Biology 32(1): 1-14. Dep. Invertebrate Zool., Swedish Museum Nat. History, Box 50007, S-104 05 Stockholm, Sweden

Straker, C. J. (1996). Ericoid mycorrhiza: Ecological and host specificity. Mycorrhiza 6(4): 215-225. Dep. Bot., Univ. Witwatersrand, Private Bag 3, Wits 2050, Johannesburg, South Africa

Vare, H., R. Ohtonen, et al. (1996). The effect and extent of heavy grazing by reindeer in oligotrophic pine heaths in northeastern Fennoscandia. Ecography 19(3): 245-253. {a} Dep. Botany, Univ. Oulu, P.O. Box 333, FIN-90571 Oulu, Finland

Viciani, D. and G. Moggi (1996). Notes on the high altitude flora at Pratomagno (Eastern Tuscany) and considerations on the effects of the methane gas pipeline. Webbia 51(1): 59-81. Dip. Biol. Veg. dell'Univ., Via G. La Pira 4, I-50121 Firenze, Italy

Wawrzyniak, M. (1996). The effect of selected plant extracts on the cabbage butterfly, Pieris brassicae L. (Lepidoptera). Polskie Pismo Entomologiczne 65(1-2): 93-99. Katedra Entomol., Wydzial Rolniczy, Akad. Techniczno-Rolnicza, Kordeckiego 20A, 85-225 Bydgoszcz, Poland

White, C. C., A. M. Dawod, et al. (1996). Nitrogen accumulation in surface horizons of moorland podzols: Evidence from a Scottish survey. Science of the Total Environment 184(3): 229-237. {a} Dep. Plant Soil Sci., Univ. Aberdeen, Meston Building, Aberdeen AB9 2UE, UK

Yesmin, L., S. M. Gammack, et al. (1996). Medium-term response of peat drainage water to changes in nitrogen deposition from the atmosphere. Water Research 30(9): 2171-2177. {a} Dep. Plant Soil Sci., Univ. Aberdeen, Aberdeen AB24 3UU, UK

Yesmin, L., S. M. Gammack, et al. (1996). Changes in N concentrations of peat and its associated vegetation over 12 months in response to increased deposition of ammonium sulfate or nitric acid. Science of the Total Environment 177(1-3): 281-290. {a} Dep. Plant Soil Sci., Univ. Aberdeen, Meston Build., Aberdeen AB9 2UE, UK

Allais, D. P., A. J. Chulia, et al. (1995). 3-Desoxycallunin and 2"-acetylcallunin, two minor 2,3-dihydroflavonoid glucosides from Calluna vulgaris. Phytochemistry Oxford 39(2): 427-430. {a} Equipe Biomolecules, Laboratoire Pharmacognoise Phytochimie, Univ. Limoges, 2 Rue Docteur Marcland, F-87025 Limoges Cedex, France

Berglind, S. A. (1995). Habitat management brightens the future for Formica cinerea Mayr (Hymenoptera, Formicidae) on Bratforsheden, South-Central Sweden. Entomologisk Tidskrift 116(1-2): 21-25. Uppsala Univ., Dep. Genetics, Prog. Conservation Biol., Box 7003, S-750 07 Uppsala, Sweden

Bullock, J. M. and N. R. Webb (1995). Responses to severe fires in heathland mosaics in Southern England. Biological Conservation 73(3): 207-214. {a} Furzebrook Res. Station, NERC Inst. of Terrestrial Ecology, Wareham BH20 5AS, UK

Caporn, S. J. M., W. Song, et al. (1995). The effect of repeated nitrogen fertilization on mycorrhizal infection in heather (Calluna vulgaris (L.) Hull). New Phytologist 129(4): 605-609. {a} Div. Environ. Sci., Crewe and Alsager Fac., Manchester Metropolitan Univ., Crewe Green Road, Crewe CW1 1DU, UK

Chapman, H. M. and P. Bannister (1995). Flowering, shoot extension, and reproductive performance of heather, Calluna vulgaris (L.) Hull, in Tongariro National Park, New Zealand. New Zealand Journal of Botany 33(1): 111-119. {a} AgRes., P.O. Box 60, Lincoln, New Zealand

Charman, D. J. and A. J. Pollard (1995). Long-term vegetation recovery after vehicle track abandonment on Dartmoor, SW England, UK. Journal of Environmental Management 45(1): 73-85. Dep. Geographical Sciences, Univ. Plymouth, Plymouth, Devon PL4 8AA, UK

Clarke, J. L., D. Welch, et al. (1995). The influence of vegetation pattern on the grazing of heather moorland by red deer and sheep: II. The impact on heather. Journal of Applied Ecology 32(1): 177-186. {a} Inst. Terrestrial Ecol., Hill of Brathens, Kincardineshire AB31 4BY, UK

Clarke, J. L., D. Welch, et al. (1995). The influence of vegetation pattern on the grazing of heather moorland by red deer and sheep: I. The location of animals on green/heather mosaics. Journal of Applied Ecology 32(1): 166-176. {a} Inst. Terrestrial Ecol., Hill of Brathens, Banchory, Kincardineshire AB31 4BY, UK

Coquillard, P. (1995). Simulation of the cyclical process of heathlands: Induction of mosaic structures, evolution to irreversible states. Ecological Modelling 80(2-3): 97-111. Lab. Ecol. Vegetale Cell., PO Box 38, F-63001 Clermont-Ferrand, France

Dawson, J. J., D. Hope, et al. (1995). Downstream changes in free carbon dioxide in an upland catchment from northeastern Scotland. Journal of Environmental Quality 24(4): 699-706. {a} Dep. Plant Soil Sci., Meston Build., Univ. Aberdeen, Aberdeen AB9 2UE, UK

De, J. C. B., R. M. A. Gill, et al. (1995). Diet selection by roe deer Capreolus capreolus in Kielder Forest in relation to plant cover. Forest Ecology and Management 79(1-2): 91-97. {a} Dep. Terrestrial Ecol. Nature Conservation, Agricultural University, Bornsesteeg 69, 6708 PD Wageningen, Netherlands

Denny, H. J. and I. Ridge (1995). Fungal slime and its role in the mycorrhizal amelioration of zinc toxicity to higher plants. New Phytologist 130(2): 251-257. Dep. Biol., Open Univ., Walton Hall, Milton Keynes MK7 6AA, UK

Es, S. D., C. Delage, et al. (1995). Anti-proliferative effects of uvaol. Fitoterapia 66(4): 366-369. {a} Equipe "Biomolecules": Lab. Pharmacognosie Chimie Physique, Fac. Pharmacie, 2 rue du Dr. Marcland, 87025 Limoges, France

Fawaris, B. H. and K. J. Johanson (1995). A comparative study on radiocaesium (137-ETA-s) uptake from coniferous forest soil. Journal of Environmental Radioactivity 28(3): 313-326. Dep. Radioecology, Swedish Univ. Agricultural Sciences, P.O. Box 7031, S-750 07 Uppsala, Sweden

Fielding, C. A. and J. C. Coulson (1995). A test of the validity of insect food-plant and life-history records: Lepidoptera on heather (Calluna vulgaris). Ecological Entomology 20(4): 343-350. {a} Dep. Biol. Sci., Univ. Durham, South Road, Durham DH1 3LE, UK

Francez, A. J. (1995). Dynamics of carbon and nitrogen in Carex rostrata, Eriophorum vaginatum and Calluna vulgaris in the peat bog of the Forez Mountains (France). Canadian Journal of Botany 73(1): 121-129. Universite de Rennes 1, Laboratorie d'Ecologie Vegetale, Unite Associee no. 1853 Eco Bio du Centre Natl. de la Recherche Scientifique, Complexe Scientifique de Beaulieu, F-35042 Rennes Cedex, France

Gonzalez, R. F. and M. Casal (1995). Effect of high temperatures and ash on germination of ten species from gorse shrubland. Vegetatio 116(2): 123-131. Area Ecol., Dep. Biol. Fundamental, Fac. Biol., Univ. Santiago, 15706 Santiago Compostela, Spain

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Gruber, M. (1995). The mountain damp heaths of the Hautes-Pyrenees Department (France). Bulletin de la Societe d'Histoire Naturelle de Toulouse 131: 61-65. Lab. Botanique Ecologie Mediterraneenne, Fac. Sci. Techniques Saint-Jerome, Ave. Escadrille Normandie-Niemen, F-13397 Marseille Cedex 20, France

Hartley, S. E. and S. M. Gardner (1995). The response of Philaenus spumarius (Homoptera: Cercopidae) to fertilizing and shading its moorland host-plant (Calluna vulgaris). Ecological Entomology 20(4): 396-399. {a} Inst. Terrestrial Ecol., Banchory Res. Stn., Banchory, Kincardineshire AB31 4BY, UK

Hartley, S. E., K. Nelson, et al. (1995). The effect of fertiliser and shading on plant chemical composition and palatability to Orkney voles, Microtus arvalis orcadensis. Oikos 72(1): 79-87. {a} Inst. Terrestrial Ecol., Banchory Res. Stn., Banchory, Kincardineshire AB31 4BY, UK

Horrill, A. D., V. H. Kennedy, et al. (1995). The effect of heather burning on the transfer of radiocaesium to smoke and the solubility of radiocaesium associated with different types of heather ash. Journal of Environmental Radioactivity 29(1): 1-10. {a} Inst. Terrestrial Ecol., Merlewood Res. Stn., Grange-over-Sands, Cumbia LA 11 6JU, UK

Humphrey, J. W., I. Glimmerveen, et al. (1995). The effects of soil cultivation techniques on vegetation communities and tree growth in an Upland Pine Forest. I: Vegetation responses. Scottish Forestry 49(4): 198-205. {a} Forestry Authority, Northern Res. Stn., Roslin, Midlothian EH25 9SY, UK

Kerley, S. J. and D. J. Read (1995). The biology of mycorrhiza in the Ericaceae. XVIII. Chitin degradation by Hymenoscyphus ericae and transfer of chitin-nitrogen to the host plant. New Phytologist 131(3): 369-375. {a} IACR Rothamsted, Harpenden, Herts AL5 2JQ, UK

Krasnov, V. P., O. O. Orlov, et al. (1995). Peculiarities of accumulation of caesium-137 by officinal plants Vacciniaceae S.F. Gray and Ericaceae Juss. in Ukrainian Polessie. Ukrayins'kyi Botanichnyi Zhurnal 52(4): 472-478. Polessye Agrofor. Land Reclam. Res. Stn., Ukr. Res. Inst. For. Agric., pr. Miru 38, 262004 Zhitomir, Ukraine

Litterick, A. M., M. P. McQuilken, et al. (1995). Rhizoctonia spp. associated with container-grown ericaceous plants in Scotland. Journal of Phytopathology Berlin 143(8): 509-510. {a} Plant Sci. Dep., Scottish Agric. Coll., Auchincruive, Ayr KA6 5HW, UK

Litterick, A. M., M. P. McQuilken, et al. (1995). Sources of Rhizoctonia species in ericaceous plant nurseries. Zeitschrift fuer Pflanzenkrankheiten und Pflanzenschutz 102(4): 441-444. {a} Plant Sci. Dep., Scottish Agric. College, Auchincruive, Ayr KA6 5HW, UK

MacDonald, A. J., A. H. Kirkpatrick, et al. (1995). Regeneration by natural layering of heather (Calluna vulgaris): Frequency and characteristics in upland Britain. Journal of Applied Ecology 32(1): 85-99. {a} Scottish Natural Heritage, Res. Advisory Serv. Directorate, 2 Anderson Place, Edinburgh EH6 5NP, UK

Madsen, H. B. and P. Nornberg (1995). Mineralogy of four sandy soils developed under heather, oak, spruce and grass in the same fluvioglacial deposit in Denmark. Geoderma 64(3-4): 233-256. {a} Dep. Earth Sciences, Univ. Aarhus, Ny Munkegade bygn. 520, 8000 Aarhus C, Denmark

McGee, E. J., M. J. Keatinge, et al. (1995). The variability in fallout content of soils and plants and the design of optimum field sampling strategies. Health Physics 68(3): 320-327. {a} Radiol. Prot. Inst. Ireland, 3 Clonskeagh Square, Dublin 14, Ireland

Mohr, H. (1995). Forest damage in Central Europe: What is behind it? Nordrhein Westfaelische Akademie der Wissenschaften Natur Ingenieur und Wirtschaftswissenschaften Vortraege(417): 7-28. Nordrhein-Westfaelische Akad. Wissenschaften, Duesseldorf, Germany

Nalepka, D. and A. Walanus (1995). Arithmetics involved in pollen diagrams. Wiadomosci Botaniczne 39(1-2): 91-104. {a} Inst. Bot. im. Wladyslawa Szafera, Pol. Akad. Nauk, ul. Lubicz 46, 31-512 Krakow, Poland

Nielsen, O. K. (1995). Rock Ptarmigan density and Heathland vegetation in Sudur-Pingeyjarsysla, NE-Iceland. Natturufraedingurinn 65(1-2): 81-102. Natturufraeoistotofnum Islands/Icelandic Inst. Natural History, Postholf/Box 5320, IS-125 Reykajavik, Iceland

Nitsche, G. and B. U. Rudolph (1995). Habitat and population density of the Stonechat Saxicola torquata in a moor complex in Upper Bavaria. Ornithologischer Anzeiger 34(1): 53-59. {a} Claude-Lorrain-Str. 11, 81543 Muenchen, Germany

Perotto, S., R. Peretto, et al. (1995). Ericoid mycorrhizal fungi: Cellular and molecular bases of their interactions with the host plant. Canadian Journal of Botany 73(Suppl. 1): S557-S568. {a} Dipartimento Biol. Vegetale, Univ. Torino Centro Micologia Terreno, C.N.R., V.le Mattioli 25, 10125 Torino, Italy

Petanidou, T., N. J. C. M. Den, et al. (1995). Pollination ecology and patch-dependent reproductive success of the rare perennial Gentiana pneumonanthe L. New Phytologist 129(1): 155-163. {a} Botanical Inst., Lab. Systematics, Catholic Univ. Leuven, Kardinaal Mercierlaan 92, 3001 Heverlee, Belgium

Pitcairn, C. E. R., D. Fowler, et al. (1995). Deposition of fixed atmospheric nitrogen and foliar nitrogen content of bryophytes and Calluna vulgaris (L.) Hull. Environmental Pollution 88(2): 193-205. {a} Inst. Terrestrial Ecol., Bush Estate, Penicuik, Midlothian EH26 0QB, UK

Prins, R. A. (1995). Food selection and rumen fermentation in red deer, fallow deer and roe deer of the Royal Forest Loo, the Netherlands. Lutra 38(2): 120-132. Westerse Drift 67, 9752 LC Haren, Netherlands

Rode, M. W. (1995). Aboveground nutrient cycling and forest development on poor sandy soil. Plant and Soil 168-169: 337-343. Inst. Landschaftspflege Naturschutz, Univ., Herrenhaeuser Str. 2, D-30419 Hannover, Germany

Rosen, E. (1995). Periodic droughts and long-term dynamics of alvar grassland vegetation on Oland, Sweden. Folia Geobotanica et Phytotaxonomica 30(2): 131-140. Dep. Ecological Botany, Uppsala Univ., Villavagen 14, S-752 36 Uppsala, Sweden

Shaw, P. J. A., K. Lankey, et al. (1995). Impacts of trampling and dog fouling on vegetation and soil conditions on Headley Heath. London Naturalist(74): 77-82. Dep. Environ. Studies, Roehampton Inst., Southlands Coll., Wimbledon Parkside, London SW19 5NN, UK

Sibbald, A. M., G. R. Iason, et al. (1995). The consequences for deer of ingesting oilseed rape (Brassica napus): Feeding experiments with roe deer (Capreolus capreolus) and red deer (Cervus elaphus). Journal of Zoology London 235(1): 99-111. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB9 2QJ, UK

Simonovicova, A. and H. T. K. Thach (1995). Microbiological-ecological situation in selected localities of the lowland Zahorska nizina. Biologia Bratislava 50(3): 237-243. Fac. Natural Sci., Comenius Univ., Dep. Pedol., 842 15 Bratislava, Slovakia

Stuke, J. H. (1995). Contribution to the fauna of the selected insect groups on northwest German sandy heaths. Drosera 95(1): 53-83. Tilsiterstr. 15, D-21680 Stade, Germany

Tangney, D., J. Fairley, et al. (1995). Food of Irish hares Lepus timidus hibernicus in western Connemara, Ireland. Acta Theriologica 40(4): 403-413. {a} Dep. Zool., Univ. Coll., Galway, Ireland

Troelstra, S. R., R. Wagenaar, et al. (1995). Nitrogen utilization by plant species from acid heathland soils: II. Growth and shoot/root partitioning of NO-3- assimilation at constant low pH and varying NO-3-/NH-4+ ratio-1. Journal of Experimental Botany 46(290): 1113-1121. {a} Netherlands Inst. Ecol., Cent. Terrestrial Ecol., PO Box 40, NL-6666 ZG Heteren, Netherlands

Troelstra, S. R., R. Wagenaar, et al. (1995). Nitrogen utilization by plant species from acid heathland soils: I. Comparison between nitrate and ammonium nutrition at constant low pH-1. Journal of Experimental Botany 46(290): 1103-1112. {a} Netherlands Inst. Ecol., Cent. Terrestrial Ecol., PO Box 40, NL-6666 ZG Heteren, Netherlands

Tunon, H., C. Olavsdotter, et al. (1995). Evaluation of anti-inflammatory activity of some Swedish medicinal plants. Inhibition of prostaglandin biosynthesis and PAF-induced exocytosis. Journal of Ethnopharmacology 48(2): 61-76. {a} Div. Pharmacognosy, Dep. Pharm., Biomed. Cent., Uppsala Univ., Box 579, S-751 23 Uppsala, Sweden

Vera, M. L. (1995). Effect of altitude in the phenology of florescence in shrub species of northern Spain. Lagascalia 18(1): 3-13. Dep. Biol. Organismos Sistemas, Unidad de Botanica, Univ. de Oviedo, 33071 Oviedo, Spain

Welch, D. and D. Scott (1995). Studies in the grazing of heather moorland in north-east Scotland. VI. 20-Year trends in botanical composition. Journal of Applied Ecology 32(3): 596-611. Inst. Terrestrial Ecol., Hill Brathens, Banchory, Kincardineshire AB31 4BY, UK

Willey, N. J. and M. H. Martin (1995). Annual patterns of Cs-133 concentration in British upland vegetation. Chemosphere 30(4): 717-724. {a} Faculty Applied Sciences, Univ. West England, Bristol BS16 1QY, UK

Anderson, P. and E. Radford (1994). Changes in vegetation following reduction in grazing pressure on the National Trust's Kinder Estate, Peak District, Derbyshire, England. Biological Conservation 69(1): 55-63. Penny Anderson Assoc., 52 Lower Lane, Chinley, Stockport SK12 6BD, UK

Baines, D. (1994). Seasonal differences in habitat selection by Black Grouse Tetrao tetrix in the northern Pennines, England. Ibis 136(1): 39-43. Upland Research Group, Game Conservancy, Crubenmore Lodge, Newtonmore, Inverness-shire PH20 1BE, UK

Barclay, E. P. and C. H. Gimingham (1994). Seed-shedding in a Scottish heath community. Journal of Vegetation Science 5(2): 197-204. {a} Dep. Plant and Soil Sci., Univ. Aberdeen, St. Machar Drive, Aberdeen AB9 2UD, UK

Beerling, D. J. and F. I. Woodward (1994). Climate change and the British scene. Journal of Ecology 82(2): 391-397. Dep. Anim. Plant Sci., Univ. Sheffield, PO Box 601 Sheffield, S10 2UQ, UK

Berendse, F., M. Schmitz, et al. (1994). Experimental manipulation of succession in heathland ecosystems. Oecologia Berlin 100(1-2): 38-44. {a} Dep. Terrestrial Ecol. Nature Conservation, Wageningen Agric. Univ., Bornsesteeg 47, NL-6708 PD Wageningen, Netherlands

Caporn, S. J. M., M. Risager, et al. (1994). Effect of nitrogen supply on frost hardiness in Calluna vulgaris (L.) Hull. New Phytologist 128(3): 461-468. {a} Div. Environmental Sci., Crewe Alsager Fac. Manchester Metropolitan Univ., Crew Green Road, Crewe CW1 1DU, UK

Cotton, D. E. and W. H. G. Hale (1994). Effectiveness of cutting as an alternative to burning in the management of Calluna vulgaris Moorland: Results of an experimental field trial. Journal of Environmental Management 40(2): 155-159. Dep. Environmental Sci., Univ., Bradford BD7 1DP, UK

Delettre, Y. R. (1994). Fire disturbance of a chironomid (Diptera) community on heathlands. Journal of Applied Ecology 31(3): 560-570. CNRS, Univ. Rennes I, Paimpont Biol. Stn., Plelan-le-Grand, F-35380, France

Diemont, W. H. and V. J. H. Oude (1994). Effects of climate and management on the productivity of Dutch heathlands. Journal of Applied Ecology 31(4): 709-716. {a} Inst. Forestry Nature Res., PO Box 23, 6700 AA Wageningen, Netherlands

Duncan, A. J., S. E. Hartley, et al. (1994). Fine-scale discrimination of forage quality by sheep offered a soyabean meal or barley supplement while grazing a nitrogen-fertilized heather (Calluna vulgaris) mosaic. Journal of Agricultural Science 123(3): 363-370. {a} Macaulay Land Use Res. Inst., Craighiebuckler, Aberdeen AB9 2QJ, UK

Dutch, J. and R. Wolstenholme (1994). The effects of sewage sludge application to a heathland site prior to planting with Sitka spruce. Forest Ecology and Management 66(1-3): 151-163. {a} Forestry Commission, Northern Res. Stn., Roslin EH25 9SY, UK

Es, S. D., A. Najid, et al. (1994). Effects of ursolic acid and its analogues on soybean 15-lipoxygenase activity and the proliferation rate of a human gastric tumour cell line. Mediators of Inflammation 3(3): 181-184. {a} Equipe 'Biomolecules', Faculte de Pharmacie, 2 rue Dr. Marcland, 87025 Limoges, France

Feldmann, R. (1994). Records of Clossiana dia L., 1767 on the Oranienbaum heath (Lep., Nymphalidae). Entomologische Nachrichten und Berichte 38(3): 204-205. Umweltsforschungszentrum Leipzig-Halle, Permoserstr. 15, 04318 Leipzig, Germany

Gimingham, C. H. (1994). Lowland heaths of West Europe: Management for conservation. Phytocoenologia 24: 615-626. Dep. Plant and Soil Sci., Univ. Aberdeen, St. Machar Dr., Aberdeen AB9 2UD, UK

Johansson, M. (1994). Quantification of mycorrhizal infection in roots of Calluna vulgaris (L.) Hull from Danish Heathland. Soil Biology and Biochemistry 26(6): 763-766. Univ. Copenhagen, Botanical Inst., Dep. Mycol., Oster Farimagsgade 2D, DK-1353 Copenhagen K, Denmark

Komulainen, M., M. Vieno, et al. (1994). Seedling establishment from seeds and seed banks in forests under long-term pollution stress: A potential for vegetation recovery. Canadian Journal of Botany 72(2): 143-149. {a} Dep. Biol., Univ. Turku, SF-20500 Turku, Finland

Milner, J. E. (1994). Spiders and disturbance: 2. A study on West Heath, Hampstead. London Naturalist(73): 153-159. 80 Weston Park, London N8 9TB, UK

Moffat, A. J. (1994). Nursery Sterilization and Inoculation Regimes for Alder Production. Forestry Oxford 67(4): 313-327. Forestry Authority, Res. Div., Alice Holt Lodge, Wrecclesham, Farnham, Surrey GU10 4LH, UK

Nolan, A. J., P. D. Hulme, et al. (1994). The status of Calluna vulgaris (L.) Hull on Fair Isle. Botanical Journal of Scotland 47(1): 1-16. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB9 2QJ, UK

Rose, R. J. and N. R. Webb (1994). The effects of temporary ballast roadways on heathland vegetation. Journal of Applied Ecology 31(4): 642-650. Furzebrook Res. Stn., NERC Inst. Terrestrial Ecol., Wareham, Dorset BH20 5AS, UK

Salt, C. A., R. W. Mayes, et al. (1994). The effects of season and diet composition on the radiocaesium intake by sheep grazing on heather moorland. Journal of Applied Ecology 31(1): 125-136. {a} Dep. Environmental Science, Univ. Stirling, Stirling FK9 4LA, UK

Shaw, M. R. and K. P. Bland (1994). Foodplant and parasitoids (Hymenoptera: Braconidae and Diptera: Tachinidae) of Callophyrys rubi (L.) (Lepidoptera: Lycaenidae) on two wet heaths in Argyll, Scotland. Entomologist's Gazette 45(1): 27-28. {a} Natl. Museums Scotland, Chambers St., Edinburgh EH1 1K, UK

Simon, A., A. J. Chulia, et al. (1994). Quercetin 3-(triacetylarabinosyl(1 fwdarw 6)galactoside) and chromones from Calluna vulgaris. Phytochemistry Oxford 36(4): 1043-1045. {a} Pharm., UFR Pharm., Univ. Limoges, 2 rue Docteur Marcland, F-87025 Limoges Cedex, France

Somsak, L. and F. Kubicek (1994). Phytocoenological and production evaluation of the original and secondary pine forests of Zahorska nizina lowland. Ekologia Bratislava 13(4): 335-348. Dep. Soil Sci., Comenius Univ., Fac. Natural Sci., Mlynska dolina II B, 842 15 Bratislava, Slovakia

Stillman, R. A. and A. F. Brown (1994). Population sizes and habitat associations of upland breeding birds in the south Pennines, England. Biological Conservation 69(3): 307-314. {a} English Nature, Northminster House, Peterborough PE1 1UA, UK

Thompson, B. H. and A. M. Sterling (1994). Pitcherplant (Sarracenia purpurea) in Argyll, V.C.98. Glasgow Naturalist 22(4): 419-420.

Van, H. A. K. M., D. V. M. F. Wallis, et al. (1994). The risk of lead and cadmium contamination for cattle on heathland. Levende Natuur 95(2): 43-50. Vakgroep Terrestriche Ooecologie Natuurbeheer, Landbouwuniversiteit, Bornsesteeg 47, 6708 PD Wageningen, Netherlands

Varma, A. and P. Bonfante (1994). Utilization of cell-wall related carbohydrates by ericoid mycorrhizal endophytes. Symbiosis 16(3): 301-313. {a} Dip. Biologia Vegetale dell'Univ. Torino, Centro Studio Micologia Terreno, CNR, Viale Mattioli 25, Torino I-10125, Italy

Voigt, N. (1994). Importance of heathland ecosystems for the invertebrate fauna. Faunistisch Oekologische Mitteilungen Supplement(16): 1-11. Dip. Biol., Bohner Weg 15, 24220 Schoenhorst, Germany

Webb, N. R. (1994). Post-fire succession of cryptostigmatic mites (Acari, Cryptostigmata) in a Calluna heathland soil. Pedobiologia 38(2): 138-145. Furzebrook Res. Stn., NERC Inst. Terrestrial Ecol., Wareham, Dorset BH20 5AS, UK

Blom, G. (1993). Liming as a means to neutralize soil acidification: A test in two nature reserves in S. Sweden. Svensk Botanisk Tidskrift 87(4): 197-209. Lovangersgatan 16, S-161 21 Vallingby, Sweden

Borg, P. and M. Tolvanen (1993). Notes on foraging ecology of honey bees in the southwestern archipelago of Finland. Memoranda Societatis pro Fauna et Flora Fennica 69(1): 16-20. {a} Dep. Botany, P.O. Box 7, FIN-00014 University of Helsinki, Finland

Brown, A., D. Horsfield, et al. (1993). A new biogeographical classification of the Scottish Uplands: I. Descriptions of vegetation blocks and their spatial variation. Journal of Ecology 81(2): 207-230. {a} Countryside Council for Wales, Plas Penrhos, Ffordd Penrhos, Gwynedd LL57 2LQ, UK

Burrows, C. J., P. Randall, et al. (1993). Aranuian vegetation history of the Arrowsmith Range, Canterbury, New Zealand: III. Vegetation changes in the Cameron, upper South Ashburton, and Paddle Hill Creek catchments. New Zealand Journal of Botany 31(2): 147-174. {a} Dep. Plant and Microbial Sci., Univ. Cantebury, Private Bag 4800, Christchurch, New Zealand

Curman, J. (1993). Suckers of Swedish broad-leaved trees, especially ash. Svensk Botanisk Tidskrift 87(4): 193-195. Edsby gard, S-194 91 Upplands Vasby, Sweden

Equihua, M. and M. B. Usher (1993). Impact of carpets of the invasive moss Campylopus introflexus on Calluna vulgaris regeneration. Journal of Ecology 81(2): 359-365. {a} Inst. de Ecol., A.C., Apartado Postal 63, 91000 Xalapa, Veracruz, Mexico

Eriksson, O. and T. Raunistola (1993). Impact of forest fertilizers on winter pastures of semi-domesticated reindeer. Rangifer 13(4): 203-214. Swed. Univ. Agric. Sci., Dep. Anim. Nutr. Manage., c/o Ecol. Bot., Villavagen 14, S-725 36 Uppsala, Sweden

Gruber, M. (1993). The mountain heaths of the French central Pyrenees: A synthetic phytoecological study. Bulletin de la Societe Linneenne de Provence 44: 83-87. Lab. de Botanique et Ecologie Mediterraneenne, Fac. des Sci. et Techniques de Saint-Jerome, Ave. Escadrille Normandie-Niemen, F-13397 Marseille Cedex 20, France

Guibert, B., C. Maizeret, et al. (1993). Roe deer (Capreolus capreolus) feeding potentials of the Landes of Gascony: Importance of forest management. Gibier Faune Sauvage 10(March): 21-38. {a} C.E.M.A.G.R.E.F., Domaine des Barres, F-45290 Nogent-sur-Vernisson, France

Hale, W. H. G. and D. E. Cotton (1993). Vegetation changes on Ilkley Moor between 1964 and 1984, and possible environmental causes. Naturalist Doncaster 118(1007): 123-139. Dep. Environ. Sci., Univ., Bradford BD7 1DP, UK

Hanley, T. A. (1993). Balancing economic development, biological conservation, and human culture: The sitka black-tailed deer Odocoileus hemionus sitkensis as an ecological indicator. Biological Conservation 66(1): 61-67. USDA Forest Service, Pacific Northwest Res. Stn., P.O. Box 20909, Juneau, AK 99802-0909, USA

Hawkins, H. J. and O. A. M. Lewis (1993). Combination effect of sodium chloride salinity, nitrogen form and calcium concentration on the growth, ionic content and gaseous exchange properties of Triticum aestivum L. cv. Gamtoos. New Phytologist 124(1): 161-170. {a} Plant Adaptation Res., J. Blaustein Inst. Desert Res., Sede Boker, Ben Gurion Univ., Negev 84993, Israel

Houdijk, A. L. F. M., P. J. M. Verbeek, et al. (1993). Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil. Plant and Soil 148(1): 137-143. Dep. Ecology, Sect. Environ. Ecology, Catholic Univ. Nijmegen, Toernooiveld, NL-6525 ED Nijmegen, Netherlands Antilles

Iason, G. R., S. E. Hartley, et al. (1993). Chemical composition of Calluna vulgaris (Ericaceae): Do responses to fertilizer vary with phenological stage? Biochemical Systematics and Ecology 21(3): 315-321. {a} Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB9 2QJ, UK

Iason, G. R. and A. J. Hester (1993). The response of heather (Calluna vulgaris) to shade and nutrients: Predictions of the carbon-nutrient balance hypothesis. Journal of Ecology 81(1): 75-80. Macaulay Land Use Res. Inst., Craigiebuckler, Aberdeen AB9 2QJ, Scotl., UK

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Niesenbaum, R. A. (1993). Light or pollen: Seasonal limitations on female reproductive success in the understory shrub Lindera benzoin. Journal of Ecology 81(2): 315-323. Dep. Biol., Swarthmore Coll., Swarthmore, PA 19081-1397, USA

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Salasoo, I. (1989). Epicuticular wax alkanes of Ericaceae and Empetrum from alpine and sub-alpine heaths in Austria. Plant Systematics And Evolution 163(1-2): 71-80.

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