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References

  • Ågren, J. (1988) Between-year variation in flowering and fruit set in frost-prone and frost-sheltered populations of dioecious Rubus chamaemorus. Oecologia, 76, 175183.
  • Ågren, J. (1996) Population size, pollinator limitation, and seed set in the self-incompatible herb Lythrum salicaria. Ecology, 77, 17791790.
  • Aguilar, R., Ashworth, L., Galetto, L. & Aizen, M.A. (2006) Plant reproductive susceptibility to habitat fragmentation: review and synthesis through meta-analysis. Ecology Letters, 9, 968980.
  • Alexandersson, R. & Ågren, J. (1996) Population size, pollinator visitation, and fruit production in the deceptive orchid Calypso bulbosa. Oecologia, 107, 533540.
  • Armstrong, D.P. (2005) Integrating the metapopulation and habitat paradigms for understanding broad-scale declines of species. Conservation Biology, 19, 14021410.
  • Baker, A.M., Barrett, S.C.H. & Thompson, J.D. (2000) Variation of pollen limitation in the early flowering Mediterranean geophyte Narcissus assoanus (Amaryllidaceae). Oecologia, 124, 529535.
  • Balmford, A., Green, R.E. & Jenkins, M. (2003) Measuring the changing state of nature. Trends in Ecology and Evolution, 18, 326330.
  • 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.
  • Burd, M. (1998) ‘Excess’ flower production and selective fruit abortion: a model of potential benefits. Ecology, 79, 21232132.
  • Burd, M. & Callahan, H.S. (2000) What does the male function hypothesis claim? Journal of Evolutionary Biology, 13, 735742.
  • Campbell, L.G. & Husband, B.C. (2007) Small populations are mate-poor but pollinator-rich in a rare, self-incompatible plant, Hymenoxys herbacea (Asteraceae). New Phytologist, 174, 915925.
  • Chvála, M. (1994) The Empidoidea (Diptera) of Fennoscandia and Denmark III. Fauna Entomologica Scandinavica, 29, 1192.
  • Colling, G. & Matthies, D. (2004) The effects of plant population size on the interactions between the endangered plant Scorzonera humilis, a specialised herbivore, and a phytopathogenic fungus. Oikos, 105, 7178.
  • DiTommaso, A., Lawlor, F.M. & Darbyshire, S.J. (2005) The Biology of Invasive Alien Plants in Canada. 2. Cynanchum rossicum (Kleopow) Borhidi (=Vincetoxicum rossicum (Kleopow) Barbar.) and Cynanchum louiseae (L.) Kartesz & Gandhi (=Vincetoxicum nigrum (L.) Moench). Canadian Journal of Plant Science, 85, 243263.
  • Donadille, P. (1965) Contribution a l’etude du Vincetoxicum officinalis Moench et de ses ‘variétiés’ dans le sud-est Français (Studies on Vincetoxicum officinalis Moench and its varieties in south-east France). Naturalia Monspeliensia Serié Botanique, 16, 1741.
  • Ehrlén, J. (1993) Ultimate functions of nonfruiting flowers in Lathyrus vernus. Oikos, 68, 4552.
  • Ellstrand, N.C. & Elam, D.R. (1993) Population genetic consequences of small population size: implications for plant conservation. Annual Review of Ecology and Systematics, 24, 217242.
  • Eriksson, O. (1996) Regional dynamics of plants: a review of evidence for remnant, source-sink, and metapopulations. Oikos, 77, 248258.
  • Fahrig, L. (2003) Effects of habitat fragmentation on biodiversity. Annual Review of Ecology, Evolution and Systematics, 34, 487515.
  • Förare, J. & Solbreck, C. (1997) Population structure of a monophagous moth in a patchy landscape. Ecological Entomology, 22, 256263.
  • Freckleton, R.P. & Watkinson, A.R. (2002) Large-scale spatial dynamics of plants: metapopulations, regional ensembles and patchy populations. Journal of Ecology, 90, 419434.
  • Garcia, D. & Chacoff, N.P. (2007) Scale-dependent effects of habitat fragmentation on hawthorn pollination, frugivory, and seed predation. Conservation Biology, 21, 400411.
  • Ghazoul, J. (2005) Pollen and seed dispersal among dispersed plants. Biology Review, 80, 413443.
  • Graham, M.H. (2003) Confronting multicollinearity in ecological multiple regression. Ecology, 84, 28092815.
  • Groom, M.J. (1998) Allee effects limit population viability of an annual plant. American Naturalist, 151, 487496.
  • Guitian, J. (1993) Why Prunus mahaleb (Rosaceae) produces more flowers than fruits. American Journal of Botany, 80, 13051309.
  • Hackney, E.E. & McGraw, J.B. (2001) Experimental demonstration of an Allee effect in American ginseng. Conservation Biology, 15, 129136.
  • Herrera, C.M. (1993) Selection on floral morphology and environmental determinants of fecundity in a hawk moth-pollinated violet. Ecological Monographs, 63, 251275.
  • Hobbs, R.J. & Yates, C.J. (2003) Impacts of ecosystem fragmentation on plant population: generalising the idiosyncratic. Australian Journal of Botany, 51, 471488.
  • Hultén, E. & Fries, F. (1986) Atlas of North European Vascular Plants North of the Tropic of Cancer. II. Koeltz Scientific Books, Königstein, Germany.
  • Kéry, M., Matthies, D. & Fischer, M. (2001) The effect of plant population size on the interactions between the rare plant Gentiana cruciata and its specialized herbivore Maculinea rebeli. Journal of Ecology, 89, 418427.
  • Kolb, A. (2005) Reduced reproductive success and offspring survival in fragmented populations of the forest herb Phyteuma spicatum. Journal of Ecology, 93, 12261237.
  • Kunin, W.E. (1993) Sex and the single mustard: population density and pollinator behavior effects on seed-set. Ecology, 74, 21452160.
  • Leimu, R. (2004) Variation in the mating system of Vincetoxicum hirundinaria (Asclepiadaceae) in peripherial island populations. Annals of Botany, 93, 107113.
  • Leimu, R. & Mutikainen, P. (2005) Population history, mating system, and fitness variation in a perennial herb with a fragmented distribution. Conservation Biology, 19, 349356.
  • Leimu, R. & Syrjänen, K. (2002) Effects of population size, seed predation and plant size on male and female reproductive success in Vincetoxicum hirundinaria (Asclepiadaceae). Oikos, 98, 229238.
  • Lennartsson, T. (2002) Extinction thresholds and disrupted plant–pollinator interactions in fragmented plant populations. Ecology, 83, 30603072.
  • Lloyd, D.G. (1980) Sexual strategies in plants. I. An hypothesis of serial adjustment of maternal investment during one reproductive session. New Phytologist, 86, 6979.
  • Norton, D.A., Hobbs, R.J. & Atkins, L. (1995) Fragmentation, disturbance, and plant distribution: mistletoes in woodland remnants in the Western Australian wheatbelt. Conservation Biology, 9, 426438.
  • Oostermeijer, J.G.B., Luijten, S.H., Krenová, Z.V. & Den Nijs, H.C.M. (1998) Relationships between population and habitat characteristics and reproduction of the rare Gentiana pneumonanthe L. Conservation Biology, 12, 10421053.
  • Östergård, H. & Ehrlén, J. (2005) Among population variation in specialist and generalist seed predation – the importance of host plant distribution, alternative hosts and environmental variation. Oikos, 111, 3946.
  • Ouborg, N.J. & Van Treuren, R. (1995) Variation in fitness-related characters among small and large populations of Salvia pratensis. Journal of Ecology, 83, 369380.
  • Quinn, G. & Keough, M. (2002) Experimental Design and Data Analysis for Biologists. Cambridge University Press, Cambridge, UK.
  • Quintana-Ascencio, P.F. & Menges, E.S. (1996) Inferring metapopulation dynamics from patch-level incidence of Florida scrub plants. Conservation Biology, 10, 12101219.
  • R Development Core Team (2005) The Royal Project for Statistical Computing [2.0.1]. R Foundation for Statistical Computing, Vienna.
  • Scheines, R., Spirtes, P., Glymour, C., Meek, C. & Richardson, T. (2006) Tetrad III: Tools for Causal Modelling. User's Manual. http://www.phil.cmu.edu/projects/tetrad/tet3/master.htm2006-10-05.
  • Shipley, B. (2000) Cause and Correlation in Biology. Cambridge University Press, Cambridge, UK.
  • Singer, M.C. & Wee, B. (2005) Spatial pattern in checkerspot butterfly – host plant association at local, metapopulation and regional scales. Annales Zoologici Fennici, 42, 347361.
  • Solbreck, C. (1995) Long term population dynamics of a seed-feeding insect in a landscape perspective. Population Dynamics: New Approaches and Synthesis (eds N.Cappuccino & P.Price), pp. 279301. Academic Press, San Diego, California.
  • Solbreck, C. (2000) Ecology and biology of Euphranta connexa (Fabr.) (Diptera: Tephritidae) – a seed predator on Vincetoxicum hirundinaria Med. (Asclepiadaceae). Entomologisk Tidskrift, 121, 2330.
  • Solbreck, C. & Ives, A.R. (2007) Density dependence vs. independence, and irregular population dynamics of a swallow-wort fruit fly. Ecology, 88, 14661475.
  • Solbreck, C. & Sillén-Tullberg, B. (1986) Seed production and seed predation in a patchy and time-varying environment. Dynamics of a milkweed–tephritid fly system. Oecologia, 71, 5158.
  • Sutherland, S. (1986) Patterns of fruit-set: what controls fruit–flower ratios in plants? Evolution, 40, 117128.
  • Tscharntke, T. & Brandl, R. (2004) Plant–insect interactions in fragmented landscapes. Annual Review of Entomology, 49, 405430.
  • Tullberg, B.S., Gamberale-Stille, G. & Solbreck, C. (2000) Effects of food plant and group size on predator defence: differences between two co-occurring aposematic Lygaeinae bugs. Ecological Entomology, 25, 220225.
  • Vergeer, P., Rengelink, R., Copal, A. & Ouborg, N.J. (2003) The interacting effects of genetic variation, habitat quality and population size on performance of Succisa pratensis. Journal of Ecology, 91, 1826.
  • Waites, A.R. (2005) Plant–Animal Interactions and Seed Output in Two Insect-pollinated Herbs. PhD Thesis, Umeå University, Umeå, Sweden.
  • Waites, A.R. & Ågren, J. (2004) Pollinator visitation, stigmatic pollen loads and among-population variation in seed set in Lythrum salicaria. Journal of Ecology, 92, 512526.
  • Ward, M. & Johnson, S.D. (2005) Pollen limitation and demographic structure in small fragmented populations of Brunsvigia radulosa (Amaryllidaceae). Oikos, 108, 253262.
  • Weiner, J. & Thomas, S.C. (1986) Size variability and competition in plant monocultures. Oikos, 47, 211222.
  • Westphal, C., Steffan-Dewenter, I. & Tscharntke, T. (2006) Bumblebees experience landscapes at different spatial scales: possible implications for coexistence. Oecologia, 149, 289300.
  • Willson, M.F. & Burley, N. (1983) Mate Choice in Plants. Princeton University Press, Princeton, New Jersey.
  • Willson, M.F. & Rathcke, B.J. (1974) Adaptive design of the floral display in Asclepias syriaca L. American Midland Naturalist, 92, 4757.
  • Wyatt, R. & Broyles, S.B. (1994) Ecology and evolution of reproduction in milkweeds. Annual Review of Ecology and Systematics, 25, 423441.
  • Young, A., Boyle, T. & Brown, T. (1996) The population genetic consequences of habitat fragmentation for plants. Trends in Ecology and Evolution, 11, 413418.
  • Zimmerman, M. & Pyke, G.H. (1988) Reproduction in Polemonium: assessing the factors limiting seed set. American Naturalist, 131, 723738.