Bottom-up effects of plant diversity on multitrophic interactions in a 
biodiversity experiment

Scherber, C.; Eisenhauer, N.; Weisser, W. W.; Schmid, B.; Voigt, W.; Fischer, M.; Schulze, E. D.; Roscher, C.; Weigelt, A.; Allan, E.; Bessler, H.; Bonkowski, M.; Buchmann, N.; Buscot, F.; Clement, L. W.; Ebeling, A.; Engels, C.; Halle, S.; Kertscher, I.; Klein, A. M.; Koller, R.; König, S.; Kowalski, E.; Kummer, V.; Kuu, A.; Lange, Markus; Lauterbach, D.; Middelhoff, C.; Migunova, V. D.; Milcu, A.; Müller, R.; Partsch, S.; Petermann, J. S.; Renker, C.; Rottstock, T.; Sabais, A.; Scheu, S.; Schumacher, J.; Temperton, V. M.; Tscharntke, T.

doi:10.1038/nature09492

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Bottom-up effects of plant diversity on multitrophic interactions in a biodiversity experiment

Scherber, C., Eisenhauer, N., Weisser, W. W., Schmid, B., Voigt, W., Fischer, M., et al. (2010). Bottom-up effects of plant diversity on multitrophic interactions in a biodiversity experiment. Nature, 468(7323), 553-556. doi:10.1038/nature09492.

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Creators:
Scherber, C., Author
Eisenhauer, N., Author
Weisser, W. W., Author
Schmid, B., Author
Voigt, W., Author
Fischer, M., Author
Schulze, E. D.¹, Author
Roscher, C., Author
Weigelt, A., Author
Allan, E., Author
Bessler, H., Author
Bonkowski, M., Author
Buchmann, N., Author
Buscot, F., Author
Clement, L. W., Author
Ebeling, A., Author
Engels, C., Author
Halle, S., Author
Kertscher, I., Author
Klein, A. M., Author
Koller, R., AuthorKönig, S., AuthorKowalski, E., AuthorKummer, V., AuthorKuu, A., AuthorLange, Markus², Author Lauterbach, D., AuthorMiddelhoff, C.³, Author Migunova, V. D., AuthorMilcu, A., AuthorMüller, R., AuthorPartsch, S., AuthorPetermann, J. S., AuthorRenker, C., AuthorRottstock, T., AuthorSabais, A., AuthorScheu, S., AuthorSchumacher, J.³, Author Temperton, V. M.⁴, Author Tscharntke, T., Author more..

Affiliations:
1Emeritus Group, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497756
2External Organizations, ou_persistent22
3Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497752
4Research Group Biodiversity Ecosystem, Dr. N. Buchmann, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497759

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Free keywords: trophic groups top-down communities ecosystems grasslands services web

Abstract: Biodiversity is rapidly declining(1), and this may negatively affect ecosystem processes(2), including economically important ecosystem services(3). Previous studies have shown that biodiversity has positive effects on organisms and processes(4) across trophic levels(5). However, only a few studies have so far incorporated an explicit food-web perspective(6). In an eight-year biodiversity experiment, we studied an unprecedented range of above-and below-ground organisms and multitrophic interactions. A multitrophic data set originating from a single long-term experiment allows mechanistic insights that would not be gained from meta-analysis of different experiments. Here we show that plant diversity effects dampen with increasing trophic level and degree of omnivory. This was true both for abundance and species richness of organisms. Furthermore, we present comprehensive above-ground/below-ground biodiversity food webs. Both above ground and below ground, herbivores responded more strongly to changes in plant diversity than did carnivores or omnivores. Density and richness of carnivorous taxa was independent of vegetation structure. Below-ground responses to plant diversity were consistently weaker than above-ground responses. Responses to increasing plant diversity were generally positive, but were negative for biological invasion, pathogen infestation and hyperparasitism. Our results suggest that plant diversity has strong bottom-up effects on multitrophic interaction networks, with particularly strong effects on lower trophic levels. Effects on higher trophic levels are indirectly mediated through bottom-up trophic cascades.

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Language(s): eng - English

Dates: Date issued: 2010

Publication Status: Issued

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Identifiers: DOI: 10.1038/nature09492
Other: BGC1429
PII: 533

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Title: Nature

Source Genre: Journal

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Publ. Info: London : Nature Publishing Group

Pages: - Volume / Issue: 468 (7323) Sequence Number: - Start / End Page: 553 - 556 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/954925427238
ISSN: 0028-0836