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References

  • Beasley, C.R., Roberts, D. & Mackie, T.G. (1998) Does the freshwater pearl mussel, Margaritifera margaritifera L., face extinction in Northern Ireland? Aquatic Conservation, 39, 265272.
  • Berendse, F., Oomes, M.J.M., Altena, H.J. & Elberse, W.T. (1992) Experiments on the restoration of species-rich meadows in the Netherlands. Biological Conservation, 62, 5965.
  • Ter Braak, C.J.F. (1986) Canonical correspondence analysis: a new eigenvector technique for multivariate direct gradient analysis. Ecology, 67, 11671179.
  • Ter Braak, C.J.F. (1998) canoco for Windows (Version 4.0). Centre for Biometry, CPRO-DLO, Wageningen, the Netherlands.
  • Bühler, C. & Schmid, B. (2001) The influence of management regime and altitude on the population structure of Succisa pratensis: implications for vegetation monitoring. Journal of Applied Ecology, 38, 689698.
  • Chesney, H.C.G. & Oliver, P.G. (1998) Conservation issues for Margaritiferidae in the British Isles and Western Europe. Journal of Conchology, Special Publication, 2, 231242.
  • Dietz, H. & Ullmann, I. (1997) Age-determination of dicotyledonous herbaceous perennials by means of annual rings: exception or rule? Annals of Botany, 80, 377379.
  • Dufrêne, M. & Legendre, P. (1997) Species assemblages and indicator species: the need for a flexible asymmetrical approach. Ecological Monographs, 67, 345366.
  • Van Duren, I.C., Pegtel, D.M., Aerts, B.A. & Inberg, J.A. (1997) Nutrient supply in undrained and drained Calthion meadows. Journal of Vegetation Science, 8, 829838.
  • Ellenberg, H. (1988) Vegetation Ecology of Central Europe. Cambridge University Press, Cambridge, UK.
  • Ellenberg, H., Weber, H.E., Düll, R., Wirth, V., Werner, W. & Paulissen, D. (1992) Zeigerwerte Von Pflanzen in Mitteleuropa, 3rd edn. Golze, Göttingen, Germany.
  • Eriksson, O. (1996) Population ecology and conservation – some theoretical considerations with examples from the Nordic flora. Acta Botanica Upsaliensis, 31, 159167.
  • Fischer, M. & Matthies, D. (1998a) The effect of population size on performance in the rare plant Gentianella germanica. Journal of Ecology, 86, 195204.
  • Fischer, M. & Matthies, D. (1998b) Experimental demography of the rare Gentianella germanica: seed bank formation and microsite effects on seedling establishment. Ecography, 21, 269278.
  • Foster, B.L. & Gross, K.L. (1998) Species richness in a successional grassland: effects of nitrogen enrichment and plant litter. Ecology, 79, 25932602.
  • Hartigan, J.A. (1975) Clustering Algorithms. Wiley and Sons, New York, NY.
  • Hill, M.O. (1979) twinspan, A Fortran Program for Arranging Multivariate Data in an Ordered Two-way Table by Classification of the Individuals and Attributes. Cornell University, New York, NY.
  • Hill, M.O., Bunce, R.G.H. & Shaw, M.W. (1975) Indicator species analysis, a divisive polythetic method of classification, and its application to a survey of native pinewoods in Scotland. Journal of Ecology, 63, 597613.
  • Hoffmann, G. (1991) VDLUFA – Methodenbuch. Die Untersuchung Von Böden. VDLUFA, Darmstadt, Germany.
  • Hutchings, M.J. (1991) Monitoring plant populations: census as an aid to conservation. Monitoring for Conservation and Ecology (ed. B.Goldsmith), pp. 6176. Chapman & Hall, London, UK.
  • Hutchings, M.J., Mendoza, A. & Havers, W. (1998) Demographic properties of an outlier population of Orchis militaris L. (Orchidaceae) in England. Botanical Journal of the Linnean Society, 126, 95107.
  • Jedicke, E. (1997) Die Rote Listen. Gefährdete Pflanzen, Tiere, Pflanzengesellschaften und Biotope in Bund und Ländern. Ulmer, Stuttgart, Germany.
  • Jongman, R.H.G., Ter Braak, C.J.F. & Van Tongeren, O.F.R. (1987) Data Analysis in Community and Landscape Ecology. Pudoc, Wageningen, the Netherlands.
  • Korneck, D. & Sukopp, H. (1988) Rote Liste der in der Bundesrepublik Deutschland ausgestorbenen, verschollenen und gefährdeten Farn- und Blütenpflanzen und ihre Auswertung für den Arten- und Biotopschutz. Schriftenreihe für Vegetationskunde, 19, 1210.
  • Korneck, D., Schnittler, M. & Vollmer, I. (1996) Rote Liste der Farn- und Blütenpflanzen (Pteridophyta et Spermatophyta) Deutschlands. Schriftenreihe für Vegetationskunde, 28, 21187.
  • Kotorova, I. & Leps, J. (1999) Comparative ecology of seedling recruitment in an oligotrophic wet meadow. Journal of Vegetation Science, 10, 175186.
  • Krenova, Z. & Leps, J. (1996) Regeneration of a Gentiana pneumonanthe population in an oligotrophic wet meadow. Journal of Vegetation Science, 7, 107112.
  • Lambinon, J., De Langhe, J.-E., Delvosalle, L. & Duvigneaud, J. (1992) Nouvelle Flore de la Belgique, du Grand-Duché de Luxembourg. Du Nord de la France et Des Régions Voisines (Ptéridophytes et Spermatophytes), 4th edn. Editions du Patrimoine du Jardin botanique national de Belgique, Meise, Belgium.
  • Landolt, E. (1991) Gefährdung der Farn- und Blütenpflanzen in der Schweiz. Bundesamt für Umwelt, Wald und Landschaft (BUWAL), Bern, Switzerland.
  • Leps, L. (1999) Nutrient status, disturbance and competition: an experimental test of relationships in a wet meadow copy. Journal of Vegetation Science, 10, 219230.
  • McCune, B. & Mefford, M.J. (1997) PC-ORD. Multivariate Analysis of Ecological Data, Version 3.0. MjM Software, Gleneden Beach, OR.
  • Mehrhoff, L.A. (1989) The dynamics of declining populations of an endangered orchid, Isotria medeoloides. Ecology, 70, 783786.
  • Menges, E.S. (1998) Evaluating extinction risks in plant populations. Conservation Biology for the Coming Decade (eds P.L.Fiedler & P.M.Kareiva), pp. 4965. Chapman & Hall, New York, NY.
  • Milberg, P. (1992) Seed bank in a 35-year-old experiment with different treatments of a semi-natural grassland. Acta Oecologia, 13, 743752.
  • Morgan, J.W. (1997) The effect of grassland gap size on establishment, growth and flowering of the endangered Rutidosis leptorrhynchoides (Asteraceae). Journal of Applied Ecology, 34, 566576.
  • Oberdorfer, E. (1994) Pflanzensoziologische Exkursionsflora. 7. Auflage. E. Ulmer, Stuttgart, Germany.
  • Oberdorfer, E. & Müller, T. (1993) Süddeutsche Pflanzengesellschaften. Teil 3: Wirtschaftswiesen und Unkrautgesellschaften. Fischer, Jena, Germany.
  • Oomes, M.J.M., Olff, H. & Altena, H.J. (1996) Effects of vegetation management and raising the water table on nutrient dynamics and vegetation change in wet grassland. Journal of Applied Ecology, 33, 576588.
  • Oostermeijer, J.G.B., Hvatum, H., Den Nijs, J.C.M. & Borgen, L. (1996) Genetic variation, plant growth strategy and population structure of the rare, disjunctly distributed Gentiana pneumonanthe (Gentianaceae) in Norway. Acta Universitatis Upsaliensis Symbolae Botanicae Upsalienses, 31, 185203.
  • Oostermeijer, J.G.B., Van’t Veer, R. & Den Nijs, J.C.M. (1994) Population structure of the rare, long-lived perennial Gentiana pneumonanthe in relation to vegetation and management in the Netherlands. Journal of Applied Ecology, 31, 428438.
  • Overal, B. (1994a) La végétation de la réserve naturelle de Béraumont (Luxembourg belge). Natura Mosana, 47, 98105.
  • Overal, B. (1994b) La végétation de la réserve naturelle ‘Vor Olbrich’à Fauxvillers, Luxembourg belge. Parcs Nationaux, 49, 1423.
  • Overal, B. (1996) L’avenir des bas-marais de la lorraine belge. Natura Mosana, 49, 124139.
  • Pavlik, B.M. (1994) Demographic monitoring and the recovery of endangered plants. Restoration of Endangered Species (eds M.L.Bowles & C.J.Whelan), pp. 322350. Cambridge University Press, Cambridge, UK.
  • Rabotnov, T.A. (1985) Dynamics of plant coenotic populations. The Population Structure of Vegetation (ed. J.White), pp. 121142. Junk, Dordrecht, the Netherlands.
  • Schaffers, A.P. & Sykora, K.V. (2000) Reliability of Ellenberg indicator values for moisture, nitrogen and soil reaction: a comparison with field measurements. Journal of Vegetation Science, 11, 225244.
  • Schemske, D.W., Husband, B.C., Ruckelshaus, M.H., Goodwillie, C., Parker, I.M. & Bishop, J.G. (1994) Evaluating approaches to the conservation of rare and endangered plants. Ecology, 75, 584606.
  • Schwabe, A. & Kratochwil, A. (1986) Schwarzwurzel-(Scorzonera humilis-) und Bachkratzdistel-(Cirsium rivulare-) reiche Vegetationstypen im Schwarzwald: Ein Beitrag zur Erhaltung selten werdender Feuchtwiesen-Typen. Veröffentlichungen Naturschutz und Landschaftspflege Baden-Württemberg, 61, 277333.
  • Smith, R.S., Shiel, R.S., Millward, D. & Corkhill, P. (2000) The interactive effects of management on the productivity and plant community structure of an upland meadow: an 8-year field trial. Journal of Applied Ecology, 37, 10291043.
  • Spackova, I., Kotorova, I. & Leps, J. (1998) Sensitivity of seedling recruitment to moss, litter and dominant removal in an oligotrophic wet meadow. Folia Geobotanica, 33, 1730.
  • SPSS Inc. (1999) SPSS® 9.0 for Windows® and SmartViewerTM. SPSS Inc., Chicago, IL.
  • Summerfield, R.J. (1972) Biological inertia – an example. Journal of Ecology, 60, 793798.
  • Thompson, K., Bakker, J.P. & Bekker, R.M. (1997) The Soil Seed Banks of North West Europe: Methodology, Density and Longevity. Cambridge University Press, Cambridge, UK.
  • Tilman, D. (1993) Species richness of experimental productivity gradients: how important is colonization limitation? Ecology, 74, 21792191.
  • Vermeer, J.G. & Berendse, F. (1983) The relationship between nutrient availability, shoot biomass and species richness in grassland and wetland communities. Vegetatio, 53, 121126.
  • Weeda, E.J., Van der Meijden, R. & Bakker, P.A. (1990) Rode lijst van de in Nederland verdwenen en bedreigte planten (Pteridophyta en Spermatophyta) over de periode 1980–90. Gorteria, 16, 226.
  • Woodman, J. & Walls, R.M. (1999) British Red Data Books, I. Vascular Plants (ed. M.J.Wigginton). Joint Nature Conservation Committee, Peterborough, UK.