P
Peter G. L. Klinkhamer
Researcher at Leiden University
Publications - 159
Citations - 8827
Peter G. L. Klinkhamer is an academic researcher from Leiden University. The author has contributed to research in topics: Jacobaea vulgaris & Population. The author has an hindex of 49, co-authored 156 publications receiving 8027 citations.
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Effects of above-ground plant species composition and diversity on the diversity of soil-borne microorganisms
George A. Kowalchuk,Douwe S. Buma,Wietse de Boer,Peter G. L. Klinkhamer,Johannes A. van Veen +4 more
TL;DR: Although plant species composition and community structure appear to have little discernible effect on microbial communities inhabiting bulk soil, clear and reproducible changes in microbial community structure and diversity are observed in the rhizosphere.
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Geitonogamy: The neglected side of selfing
TL;DR: Selfing by geitonogamy incurs a fitness cost of reduced pollen export, and recent reports show that seed set can suffer as well, even in self-incompatible species.
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Population fragmentation may reduce fertility to zero in Banksia goodii — a demonstration of the Allee effect
TL;DR: Although plants in small and large populations were similar in size, seed production per plant was much lower in small populations, indicating that even in large populations seed production may still not be at its maximum.
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Size constraints and flower abundance determine the number of interactions in a plant /flower visitor web
TL;DR: This study tested whether flower size parameters set constraints on the morphology of the potential nectar feeding visitors and thus determine the number of visitor species, and hypothesized that the stronger size constraints and the smaller flower abundance, the smaller the numberof visitor species will be.