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Primary publications in international journals:

• 91 Esch S, Klinkhamer PGL, Meijden E van der. Do small distances and host density affect the distribution of a specialist parasitoid?. Oecologia 2005
• 90. Stang M, Klinkhamer PGL, Meijden E van der. Size constraints and flower abundance determine the number of interactions in a plant-flower visitation web. Oikos 2005
• 89. Macel, M, Klinkhamer PGL Differences in effects of pyrrolizidine alkaloids on five generalist insect herbivore species. Journal of Chemical Ecology,2005
• 88. Kirk, H, Vrieling K, Klinkhamer PGL. Reproductive Fitness of Hybrids Between Senecio jacobaea and Senecio aquaticus. American Journal of Botany, 2005
• 87. K.A. Leiss, P.G.L Klinkhamer. Spatial distribution of nectar production in a natural Echium vulgare population: implications for pollinator behaviour.Basic and Applied Ecology, 2005
• 86. de Jong, T.J., Batenburg, J.C., Klinkhamer, P.G.L. Distance-dependent pollen limitation of seed set in some insect-pollinated dioecious plants. Plant Biology 2005
• 85. Leis, K.A. and Klinkhamer, P.G.L. 2005. Genotype by environment interactions in the nectar production of E. vulgare. Functional Ecology.
• 84. Kirk H, Vrieling K, Klinkhamer PGL. Maternal Effects and Heterosis Influence the Fitness of Plant Hybrids. New Phytologist, 2005
• 83. Jong, T.J. de, van Dijk, H. and P.G.L. Klinkhamer. Hamilton's rule, imprinting and parent-offspring conflict over seed mass in partially selfing plants. Journal of Evolutionary Biology, 2005
• 82. Cadet, C., J.A.J. Metz and P.G.L. Klinkhamer, Size and the not-so-single sex: disentangling the effects of size and budget on sex allocation in hermaphrodites. American Naturalist, 2004
• 81.Macel, M., K. Vrieling, and P.G.L. Klinkhamer, Variation in pyrrolizidine alkaloid patterns of Senecio jacobaea. Phytochemistry, 2004. 65(7): p. 865-873.
• 80. Leiss, K.A., K. Vrieling, and P.G.L. Klinkhamer, Heritability of nectar production in Echium vulgare. Heredity, 2004. 92(5): p. 446-451
• 79. Klinkhamer, P.G.L. and P.P. van der Lugt, Pollinator service only depends on nectar production rates in sparse populations. Oecologia, 2004. 140(3): p. 491-494.
• 78. Kirk, H., Macel, M., Klinkhamer, P.G.L. and K. Vrieling. Natural hybridization between Senecio jacobaea and Senecio aquaticus: molecular and chemical evidence. Molecular Ecology, 2004. 13(8): p. 2267-2274.
• 77. Blomqvist, M.M., Vos,P., Klinkhamer, P.G.L. and W.J. ter Keurs. Declining plant species richness of grassland ditch banks - a problem of colonisation or extinction? Biological Conservation, 2003. 109(3): p. 391-406.
• 76. Macel, M., Klinkhamer, P.G.L., Vrieling, K., and E. van der Meijden. Diversity of pyrrolizidine alkaloids in Senecio species does not affect the specialist herbivore Tyria jacobaeae. Oecologia, 2002. 133(4): p. 541-550.
• 75. Kowalchuk, G.A., Buma, D.S., de Boer, W., Klinkhamer, P.G.L. and J.A. van Veen. Effects of above-ground plant species composition and diversity on the diversity of soil-borne microorganisms. Antonie Van Leeuwenhoek International Journal of General and Molecular Microbiology, 2002. 81(1-4): p. 509-520.
• 74. Korbecka, G., P.G.L. Klinkhamer, and K. Vrieling, Selective embryo abortion hypothesis revisited - A molecular approach. Plant Biology, 2002. 4(3): p. 298-310.
• 73. Melser, C. and P.G.L. Klinkhamer, Selective seed abortion increases offspring survival in Cynoglossum officinale (Boraginaceae). American Journal of Botany, 2001. 88(6): p. 1033-1040.
• 72. Klinkhamer, P.G.L., T.J. de Jong, and L.A. Linnebank, Small-scale spatial patterns determine ecological relationships: an experimental example using nectar production rates. Ecology Letters, 2001. 4(6): p. 559-567.
• 71.van der Meijden, E. and P.G.L. Klinkhamer, Conflicting interests of plants and the natural enemies of herbivores. Oikos, 2000. 89(1): p. 202-208.
• 70. Jong, T.J., de and P.G.L. Klinkhamer, Flowering right on time. Flowering Newsletter, 2000: p. 15-21.
• 69. de Jong, T.J., P.G.L. Klinkhamer, and J.L.H. de Heiden, The evolution of generation time in metapopulations of monocarpic perennial plants: some theoretical considerations and the example of the rare thistle Carlina vulgaris. Evolutionary Ecology, 2000. 14(3): p. 213-231.
• 68. Vrieling, K., Saumitou-Laprade, P., Cugues, J., van Dijk, H., de Jong, T.J. and Klinkhamer, P.G.L. Direct and indirect estimates of the selfing rate in small and large individuals of the bumblebee pollinated Cynoglossum officinale L (Boraginaceae). Ecology Letters, 1999. 2(5): p. 331-337.
• 67. Rademaker, M.C.J. and P.G.L. Klinkhamer, Size-dependent sex allocation in Cynoglossum officinale for different genotypes under uniform favourable conditions. Plant Biology, 1999. 1(1): p. 108-114.
• 66. Pappers, S.M., Klinkhamer, P.G.L., de Jong, T.J. and Meelis, E. Effects of nectar content on the number of bumblebee approaches and the length of visitation sequences in Echium vulgare (Boraginaceae). Oikos, 1999. 87(3): p. 580-586.
• 65. Melser, C., A. Bijleveld, and P.G.L. Klinkhamer, Late-acting inbreeding depression in both male and female function of Echium vulgare (Boraginaceae). Heredity, 1999. 83: p. 162-170.
• 64. Klinkhamer, P.G.L. and C.A.M. van der Veen-van Wijk, Genetic variation in floral traits of Echium vulgare. Oikos, 1999. 85(3): p. 515-522.
• 63. De Jong, T.J., P.G.L. Klinkhamer, and M.C.J. Rademaker, How geitonogamous selfing affects sex allocation in hermaphrodite plants. Journal of Evolutionary Biology, 1999. 12(1): p. 166-176.
• 62. De Jong, T.J., L. Goosen-De Roo, and P.G.L. Klinkhamer, Is the threshold size for flowering in Cynoglossum officinale fixed or dependent on environment? New Phytologist, 1998. 138(3): p. 489-496.
• 61. Wesselingh, R.A., Klinkhamer, P.G.L., de Jong, T.J. and L.A. Boorman. Threshold size for flowering in different habitats: Effects of size-dependent growth and survival. Ecology, 1997. 78(7): p. 2118-2132.
• 60. Rademaker, M.C.J., T.J. deJong, and P.G.L. Klinkhamer, Pollen dynamics of bumble-bee visitation on Echium vulgare. Functional Ecology, 1997. 11(5): p. 554-563.
• 59. Melser, C., M.C.J. Rademaker, and P.G.L. Klinkhamer, Selection on pollen donors by Echium vulgare (Boraginaceae). Sexual Plant Reproduction, 1997. 10(5): p. 305-312.
• 58. Klinkhamer, P.G.L., T.J. deJong, and H. Metz, Sex and size in cosexual plants. Trends in Ecology & Evolution, 1997. 12(7): p. 260-265.
• 57. Klinkhamer, P.G.L., T. Kubo, and Y. Iwasa, Herbivores and the evolution of the semelparous perennial life-history of plants. Journal of Evolutionary Biology, 1997. 10(4): p. 529-550.
• 56. Wesselingh, R.A. and P.G.L. Klinkhamer, Threshold size for vernalization in Senecio jacobaea: Genetic variation and response to artificial selection. Functional Ecology, 1996. 10(2): p. 281-288.
• 55. Vrieling, K., de Jong, T.J., Klinkhamer, P.G.L., van der Meijden, E. and van der Veen-van Wijk, C.A.M. Testing trade-offs among growth, regrowth and anti-herbivore defences in Senecio jacobaea. Entomologia Experimentalis Et Applicata, 1996. 80(1): p. 189-192.
• 54. Klinkhamer, P.G.L., T.J. deJong, and J.L.H. deHeiden, An eight-year study of population dynamics and life-history variation of the ''biennial'' Carlina vulgaris. Oikos, 1996. 75(2): p. 259-268.
• 53. Iwasa, Y., T.J. Dejong, and P.G.L. Klinkhamer, Why Pollinators Visit Only a Fraction of the Open Flowers on a Plant - the Plants Point-of-View. Journal of Evolutionary Biology, 1995. 8(4): p. 439-453.
• 52. deJong, T.J., P.G.L. Klinkhamer, and J.L.H. deHeiden, The effect of water and mycorrhizal infection on the distribution of Carlina vulgaris on sand dunes. Ecography, 1995. 18(4): p. 384-389.
• 51. dejager, C.M., Butot, R.P.T., Klinkhamer, P.G.L. and E. van der Meijden. Chemical Characteristics of Chrysanthemum Cause Resistance to Frankliniella-Occidentalis (Thysanoptera, Thripidae). Journal of Economic Entomology, 1995. 88(6): p. 1746-1753.
• 50. Wesselingh, R.A., Klinkhamer, P.G.L., de Jong, T.J. and E.G.M. Schlatman. A Latitudinal Cline in Vernalization Requirement in Cirsium Vulgare. Ecography, 1994. 17(3): p. 272-277.
• 49 deJager C.M., Butot R.P.T., Klinkhamer P.G.L., deJong T.J., Wolff K, van der Meijden E. 1995. Genetic variation in chrysanthemum for resistance to Frankliniella occidentalis. Entomologia Experimentalis et Applicata 77(3): 277-287.
• 48. Klinkhamer, P.G.L., T.J. Dejong, and J.A.J. Metz, Why Plants Can Be Too Attractive - a Discussion of Measures to Estimate Male Fitness. Journal of Ecology, 1994. 82(1): p. 191-194.
• 47. Klinkhamer, P.G.L., T.J. Dejong, and H.W. Nell, Limiting Factors for Seed Production and Phenotypic Gender in the Gynodioecious Species Echium Vulgare (Boraginaceae). Oikos, 1994. 71(3): p. 469-478.
• 46. Dejong, T.J. and P.G.L. Klinkhamer, Plant Size and Reproductive Success through Female and Male Function. Journal of Ecology, 1994. 82(2): p. 399-402
• 45. Wesselingh, R.A., de Jong, T.J., Klinkhamer, P.G.L., van Dijk, M.J. and E.G.M. Schlattman. Geographical Variation in Threshold Size for Flowering in Cynoglossum-Officinale. Acta Botanica Neerlandica, 1993. 42(1): p. 81-91.
• 44. Lamont, B.B. and P.G.L. Klinkhamer, Population-Size and Viability. Nature, 1993. 362(6417): p. 211-211.
• 43. Lamont, B.B., P.G.L. Klinkhamer, and E.T.F. Witkowski, Population Fragmentation May Reduce Fertility to Zero in Banksia-Goodii - a Demonstration of the Allee Effect. Oecologia, 1993. 94(3): p. 446-450.
• 42. Klinkhamer, P.G.L. and T.J. Dejong, Attractiveness to Pollinators - a Plants Dilemma. Oikos, 1993. 66(1): p. 180-184.
• 41. Klinkhamer, P.G.L. and T.J. Dejong, Cirsium-Vulgare (Savi) Ten - (Carduus-Lanceolatus L, Cirsium-Lanceolatum (L) Scop, Non Hill). Journal of Ecology, 1993. 81(1): p. 177-191.
• 40. Klinkhamer, P.G.L. and T.J. Dejong, Phenotypic Gender in Plants - Effects of Plant Size and Environment on Allocation to Seeds and Flowers in Cynoglossum-Officinale. Oikos, 1993. 67(1): p. 81-86.
• 39. deJong, T.J., N.M. Waser, and P.G.L. Klinkhamer, Geitonogamy - the Neglected Side of Selfing. Trends in Ecology & Evolution, 1993. 8(9): p. 321-325.
• 38. deJager, C.M., Butot, R.P.T., de Jong, T.J., Klinkhamer, P.G.L. and E. van der Meijden. Population-Growth and Survival of Western Flower Thrips Frankliniella-Occidentalis Pergande (Thysanoptera, Thripidae) on Different Chrysanthemum Cultivars - 2 Methods for Measuring Resistance. Journal of Applied Entomology-Zeitschrift Fur Angewandte Entomologie, 1993. 115(5): p. 519-525.
• 37. Vrieling, K., T.J. Jong, de, and P.G.L. Klinkhamer, Population dynamics of monocarpic perennials. Verhandlungen der Gesellschaft fuer Oecologie, 1992. 21: p. 295-301.
• 36. vanderMeijden, E., Klinkhamer, P.G.L., de Jong, T.J. and C.A.M. van Wijk. Meta-Population Dynamics of Biennial Plants - How to Exploit Temporary Habitats. Acta Botanica Neerlandica, 1992. 41(3): p. 249-270.
• 35. Prins, A.H., H.W. Nell, and P.G.L. Klinkhamer, Size-Dependent Root Herbivory on Cynoglossum-Officinale. Oikos, 1992. 65(3): p. 409-413.
• 34. Klinkhamer, P.G.L., de Jong, T.J. and E. Meelis. On the Analysis of Size-Dependent Reproductive Output in Plants. Functional Ecology, 1992. 6(3): p. 308-316.
• 33. Dejong, T.J., P.G.L. Klinkhamer, and M.J. Vanstaalduinen, The Consequences of Pollination Biology for Selection of Mass or Extended Blooming. Functional Ecology, 1992. 6(5): p. 606-615.
• 32. Klinkhamer, P.G.L., T.J. Dejong, and E. Meelis, The Control of Flowering in the Monocarpic Perennial Carlina-Vulgaris. Oikos, 1991. 61(1): p. 88-95.
• 31. Klinkhamer, P.G.L., T.J. Dejong, and R.A. Wesselingh, Implications of Differences between Hermaphrodite and Female Flowers for Attractiveness to Pollinators and Seed Production. Netherlands Journal of Zoology, 1991. 41(2-3): p. 130-143.
• 30. Dejong, T.J. and P.G.L. Klinkhamer, Early Flowering in Cynoglossum-Officinale L Constraint or Adaptation. Functional Ecology, 1991. 5(6): p. 750-756.
• 29. Prins, A.H., Vrieling, K., Klinkhamer, P.G.L. and de Jong, T.J. Flowering Behavior of Senecio-Jacobaea - Effects of Nutrient Availability and Size-Dependent Vernalization. Oikos, 1990. 59(2): p. 248-252.
• 28. Klinkhamer, P.G.L., T.J. Dejong, and E. Meelis, How to Test for Proportionality in the Reproductive Effort of Plants. American Naturalist, 1990. 135(2): p. 291-300.
• 27. Klinkhamer, P.G.L. and T.J. Dejong, Effects of Plant Size, Plant-Density and Sex Differential Nectar Reward on Pollinator Visitation in the Protandrous Echium-Vulgare (Boraginaceae). Oikos, 1990. 57(3): p. 399-405.
• 26. deJong, T.J., P.G.L. Klinkhamer, and L.A. Boorman, Biological Flora of the British-Isles. Journal of Ecology, 1990. 78(4): p. 1123-1144.
• 25. Klinkhamer, P.G.L., T.J. Dejong, and G.J. Debruyn, Plant Size and Pollinator Visitation in Cynoglossum-Officinale. Oikos, 1989. 54(2): p. 201-204.
• 24. Klinkhamer, P.G.L. and T.J. Dejong, A Deterministic Model to Study the Importance of Density-Dependence for Regulation and the Outcome of Intra-Specific Competition in Populations of Sparse Plants. Acta Botanica Neerlandica, 1989. 38(1): p. 57-65.
• 23. deJong, T.J. and P.G.L. Klinkhamer, Size-Dependency of Sex-Allocation in Hermaphroditic, Monocarpic Plants. Functional Ecology, 1989. 3(2): p. 201-206.
• 22. deJong, T.J. and P.G.L. Klinkhamer, Limiting Factors for Seed Production in Cynoglossum-Officinale. Oecologia, 1989. 80(2): p. 167-172.
• 21. deJong, T.J., Klinkhamer, P.G.L., Geritz, S.A.H. and E. van der Meijden. Why Biennials Delay Flowering - an Optimization Model and Field Data on Cirsium-Vulgare and Cynoglossum-Officinale. Acta Botanica Neerlandica, 1989. 38(1): p. 41-55.
• 20. Klinkhamer, P.G.L. and T.J. Jong, de, Life history variation and the control of flowering in wild populations of short-lived monocarps. Flowering Newsletter, 1988. 5: p. 19-22.
• 19. Klinkhamer, P.G.L., T.J. Dejong, and E. Vandermeijden, Production, Dispersal and Predation of Seeds in the Biennial Cirsium-Vulgare. Journal of Ecology, 1988. 76(2): p. 403-414.
• 19. Klinkhamer, P.G.L. and T.J. Dejong, The Importance of Small-Scale Disturbance for Seedling Establishment in Cirsium-Vulgare and Cynoglossum-Officinale. Journal of Ecology, 1988. 76(2): p. 383-392.
• 17. Geritz, S.A.H., Metz, J.A.J., Klinkhamer, P.G.L. and T.J. de Jong. Competition in Safe-Sites. Theoretical Population Biology, 1988. 33(2): p. 161-180.
• 16. deJong, T.J. and P.G.L. Klinkhamer, Seedling Establishment of the Biennials Cirsium-Vulgare and Cynoglossum-Officinale in a Sand-Dune Area - the Importance of Water for Differential Survival and Growth. Journal of Ecology, 1988. 76(2): p. 393-402.
• 15. deJong, T.J. and P.G.L. Klinkhamer, Population Ecology of the Biennials Cirsium-Vulgare and Cynoglossum-Officinale in a Coastal Sand-Dune Area. Journal of Ecology, 1988. 76(2): p. 366-382.
• 14. Klinkhamer, P.G.L., T.J. Dejong, and E. Meelis, Life-History Variation and the Control of Flowering in Short-Lived Monocarps. Oikos, 1987. 49(3): p. 309-314.
• 13. Klinkhamer, P.G.L., T.J. Dejong, and E. Meelis, Delay of Flowering in the Biennial Cirsium-Vulgare - Size Effects and Devernalization. Oikos, 1987. 49(3): p. 303-308.
• 12. Klinkhamer, P.G.L., de Jong, T.J., Metz, J.A.J. and J. Val. Life-History Tactics of Annual Organisms - the Joint Effects of Dispersal and Delayed Germination. Theoretical Population Biology, 1987. 32(1): p. 127-156.
• 11. Klinkhamer, P.G.L. and T.J. Dejong, Plant Size and Seed Production in the Monocarpic Perennial Cynoglossum-Officinale L. New Phytologist, 1987. 106(4): p. 773-783.
• 10. deJong, T.J., et al., Growth and Nutrient Accumulation of the Biennials Cirsium Vulgare and Cynoglossum Officinale under Nutrient-Rich Conditions. Oikos, 1987. 48(1): p. 62-72.
• 9. deJong, T.J., P.G.L. Klinkhamer, and J.A.J. Metz, Selection for Biennial Life Histories in Plants. Vegetatio, 1987. 70(3): p. 149-156.
• 8. deJong, T.J., P.G.L. Klinkhamer, and A.H. Prins, Flowering Behavior of the Monocarpic Perennial Cynoglossum-Officinale L. New Phytologist, 1986. 103(1): p. 219-229.
• 7. Klinkhamer, P.G.L. and T.J. Dejong, Shoot Biomass and Species Richness in Relation to Some Environmental-Factors in a Coastal Dune Area in the Netherlands. Vegetatio, 1985. 63(3): p. 129-132.
• 6. deJong, T.J. and P.G.L. Klinkhamer, The Negative Effects of Litter of Parent Plants of Cirsium-Vulgare on Their Offspring - Autotoxicity or Immobilization. Oecologia, 1985. 65(2): p. 153-160.
• 5. Geritz, S.A.H., T.J. Dejong, and P.G.L. Klinkhamer, The Efficacy of Dispersal in Relation to Safe Site Area and Seed Production. Oecologia, 1984. 62(2): p. 219-221.
• 4. Metz, J.A.J., T.J. Dejong, and P.G.L. Klinkhamer, What Are the Advantages of Dispersing - a Paper by Kuno Explained and Extended. Oecologia, 1983. 57(1-2): p. 166-169.
• 3. Klinkhamer, P.G.L. and T.J. Dejong, Is It Profitable for Biennials to Live Longer Than 2 Years. Ecological Modelling, 1983. 20(2-3): p. 223-232.
• 2. Klinkhamer, P.G.L., T.J. Dejong, and J.A.J. Metz, An Explanation for Low Dispersal Rates - a Simulation Experiment. Netherlands Journal of Zoology, 1983. 33(4): p. 532-541.
• 1. deJong, T.J. and P.G.L. Klinkhamer, A Simulation-Model for the Effects of Burning on the Phosphorus and Nitrogen-Cycle of a Heathland Ecosystem. Ecological Modelling, 1983. 19(4): p. 263-284.