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References

  • Bastrenta, B., Lebreton, J.D. & Thompson, J.D. (1995) Predicting demographic change in response to herbivory: a model of effects of grazing and annual variation on the population dynamics of Anthyllis vulneraria. Journal of Ecology, 83, 603611.
  • Brys, R., Jacquemyn, H., Endels, P., Hermy, M. & De Blust, G. (2003) The relationship between reproductive success and demographic structure in remnant populations of Primula veris. Acta Oecologica, 24, 247253.
  • Brys, R., Jacquemyn, H., Endels, P., Van Rossum, F., Hermy, M., Triest, L., De Bruyn, L. & Blust, G.D.E. (2004) Reduced reproductive success in small populations of the self-incompatible Primula vulgaris. Journal of Ecology, 92, 514.
  • 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.
  • Bullock, J.M., Hill, C.B., Dale, M.P. & Silvertown, J. (1994) An experimental study of vegetation change due to sheep grazing in a species-poor grassland and the role of seedling recruitment into gaps. Journal of Applied Ecology, 31, 493507.
  • Bullock, J.M., Franklin, J., Stevenson, M.J., Silvertown, J., Coulson, S.J., Gregory, S.J. & Tofts, R. (2001) A plant trait analysis of responses to grazing in a long-term experiment. Journal of Applied Ecology, 38, 253267.
  • Caswell, H. (2000) Prospective and retrospective perturbation analyses: their roles in conservation biology. Ecology, 81, 619627.
  • Caswell, H. (2001) Matrix Population Models. Construction, Analysis, and Interpretation. Sinauer, Sunderland, MA.
  • Colling, G., Matthies, D. & Reckinger, C. (2002) Population structure and establishment of the threatened long-lived perennial Scorzonera humilis in relation to environment. Journal of Applied Ecology, 39, 310320.
  • Dolek, M. & Geyer, A. (2002) Conserving biodiversity on calcareous grasslands in the Franconian Jura by grazing: a comprehensive approach. Biological Conservation, 104, 351360.
  • Ehrlén, J. & Van Groenendael, J. (1998) Direct perturbation analysis for better conservation. Conservation Biology, 12, 470474.
  • Ehrlén, J. & Lehtilä, K. (2002) How perennial are perennial plants? Oikos, 98, 308322.
  • Endels, P., Jacquemyn, H., Brys, R. & Hermy, M. (2004) Rapid response to habitat restoration by the perennial Primula veris as revealed by demographic monitoring. Plant Ecology, in press.
  • Fischer, M. & Stöcklin, J. (1997) Local extinctions of plants in remnants of extensively used calcareous grasslands 1950–85. Conservation Biology, 11, 727737.
  • García, M.B. & Ehrlén, J. (2002) Reproductive effort and herbivory timing in a perennial herb: fitness components at the individual and population levels. American Journal of Botany, 89, 12951302.
  • Van Groenendael, J., De Kroon, H. & Caswell, H. (1988) Projection matrices in population biology. Trends in Ecology and Evolution, 3, 264269.
  • Hegi, G. (1975) Illustrierte Flora Von Mittel-Europa. 5. Band: Dicotyledones. P. Parey, Berlin, Germany.
  • Hegland, S.T., Van Leeuwen, M. & Oostermeijer, J.G.B. (2001) Population structure of Salvia pratensis in relation to vegetation and management of Dutch dry floodplain grasslands. Journal of Applied Ecology, 38, 12771289.
  • Hillier, S.H. (1990) Gaps, seed banks and plant species diversity in calcareous grasslands. Calcareous Grasslands: Ecology and Management (ed. S. H.Hillier), pp. 5766. Bluntisham Books, Oxford, UK.
  • Horvitz, C.C. & Schemske, D.W. (1995) Spatiotemporal variation in demographic transitions of a tropical understorey herb: projection analysis. Ecological Monographs, 65, 155192.
  • Horvitz, C.C., Schemske, D.W. & Caswell, H. (1997) The relative ‘importance’ of life-history stages to population growth: prospective and retrospective analysis. Structured-Population Models in Marine, Terrestrial, and Fresh-Water Systems (eds S.Tuljapurkar & H.Caswell), pp. 247271. Chapman & Hall, New York, NY.
  • Huber, R. (1994) Changes in plant species-richness in a calcareous grassland following changes in environmental conditions. Folia Geobotanica, 29, 469482.
  • Inghe, O. (1989) Genet and ramet survivorship under different mortality regimes: a cellular automata model. Journal of Theoretical Biology, 138, 257270.
  • Inghe, O. & Tamm, C.O. (1988) Survival and flowering of perennial herbs. V. Patterns of flowering. Oikos, 51, 203219.
  • Jacquemyn, H., Brys, R. & Hermy, M. (2003) Short-term effects of different management regimes on the response of calcareous grassland vegetation to increased nitrogen. Biological Conservation, 111, 137147.
  • Jacquemyn, H., Van Rossum, F., Brys, R., Endels, P., Hermy, M., Triest, L. & De Blust, G. (2003) Effects of agricultural land use and fragmentation on genetics, demography and population persistence of the rare Primula vulgaris, and implications for conservation. Belgian Journal of Botany, 136, 522.
  • Kaye, T.N., Pendergrass, K.L., Finley, K. & Kauffman, J.B. (2001) The effect of fire on the population viability of an endangered prairie plant. Ecological Applications, 11, 13661380.
  • Kéry, M., Matthies, D. & Spillmann, H.H. (2000) Reduced fecundity and offspring performance in small populations of the declining grassland plants Primula veris and Gentiana lutea. Journal of Ecology, 88, 1730.
  • Kiviniemi, K. (2002) Population dynamics of Agrimonia eupatoria and Geum rivale, two perennial grassland species. Plant Ecology, 159, 153169.
  • De Kroon, H., Van Groenendael, J. & Ehrlén, J. (2000) Elasticities: a review of methods and model limitations. Ecology, 81, 607618.
  • De Kroon, H., Plaisier, J., Van Groenendael, J. & Caswell, H. (1986) Elasticity: the relative contribution of demographic parameters to population growth rate. Ecology, 67, 14271431.
  • Landsberg, J., James, C.D., Morton, S.R., Müller, W.J. & Stol, J. (2003) Abundance and composition of plant species along grazing gradients in Australian rangelands. Journal of Applied Ecology, 40, 10081024.
  • Lennartsson, T. & Oostermeijer, J.G.B. (2001) Demographic variation and population viability in Gentianella campestris: effects of grassland management and environmental stochasticity. Journal of Ecology, 89, 451463.
  • Manly, B.F.J. (1997) Randomization, Bootstrap and Monte Carlo Methods in Biology. Chapman & Hall, London, UK.
  • Milberg, P. (1994) Germination ecology of the polycarpic grassland perennials Primula veris and Trollius europaeus. Ecography, 17, 38.
  • Oostermeijer, J.G.B., Luijten, S.H., Ellis-Adam, A.C. & Den Nijs, J.C.M. (2002) Future prospects for the rare, late-flowering Gentianella germanica and Gentianopsis ciliata in Dutch nutrient-poor calcareous grasslands. Biological Conservation, 104, 339350.
  • 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.
  • Pico, F.X., De Kroon, H. & Retana, J. (2002) An extended flowering and fruiting season has few demographic effects in a Mediterranean perennial herb. Ecology, 83, 19912004.
  • Schaminée, J.H.J. & Zuidhoff, A.C. (1995) Het Galio-Trifolietum: een miskende associatie uit het mergelland. Natuurhistorisch Maandblad, 84, 9096.
  • 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.
  • Schlapfer, M., Zoller, H. & Korner, C. (1998) Influences of mowing and grazing on plant species composition in calcareous grassland. Botanica Helvetica, 108, 5767.
  • Sokal, R. & Rohlf, F.J. (1995) Biometry. The Principles and Practice of Statistics in Biological Research. W.H. Freeman and Co., New York, NY.
  • Syrjänen, K. & Lehtilä, K. (1993) The cost of reproduction in Primula veris: differences between two adjacent populations. Oikos, 67, 465472.
  • Tamm, C.O. (1972) Survival and flowering of perennial herbs. III. The behaviour of Primula veris on permanent plots. Oikos, 23, 159166.
  • Valverde, T. & Silvertown, J. (1998) Variation in the demography of a woodland understorey herb (Primula vulgaris) along the forest regeneration cycle: projection matrix analysis. Journal of Ecology, 86, 545562.
  • Whale, D.M. (1984) Habitat requirements in Primula species. New Phytologist, 97, 665679.
  • Willems, J.H. (1982) Phytosociological and geographical survey of Mesobromion communities in western Europe. Vegetatio, 48, 240277.
  • Willems, J.H. (2001) Problems, approaches, and results in restoration of Dutch calcareous grassland during the last 30 years. Restoration Ecology, 9, 147154.
  • Woodell, S.R.J. (1960) What pollinates primulas? New Scientist, 8, 568571.
  • Zoller, H. & Wagner, C. (1986) Rückgang und gefährdung von Mesobromion-Arten im Schweizer Jura. Veröffentlichungen des Geobotanischen Institutes ETH, Stiftung Rübel, Zürich, 87, 239259.