Direct and cascading impacts of tropical land-use change on multi-trophic biodiversity

Barnes, Andrew D.; Allen, Kara; Kreft, Holger; Corre, Marife D.; Jochum, Malte; Veldkamp, Edzo; Clough, Yann; Daniel, Rolf; Darras, Kevin; Denmead, Lisa H.; Farikhah Haneda, Noor; Hertel, Dietrich; Knohl, Alexander; Kotowska, Martyna M.; Kurniawan, Syahrul; Meijide, Ana; Rembold, Katja; Edho Prabowo, Walesa; Schneider, Dominik; Tscharntke, Teja; ... (2017). Direct and cascading impacts of tropical land-use change on multi-trophic biodiversity. Nature ecology & evolution, 1(10), pp. 1511-1519. Nature Publishing Group 10.1038/s41559-017-0275-7

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The conversion of tropical rainforest to agricultural systems such as oil palm alters biodiversity across a large range of interacting taxa and trophic levels. Yet, it remains unclear how direct and cascading effects of land-use change simultaneously drive ecological shifts. Combining data from a multi-taxon research initiative in Sumatra, Indonesia, we show that direct and cascading land-use effects alter biomass and species richness of taxa across trophic levels ranging from microorganisms to birds. Tropical land use resulted in increases in biomass and species richness via bottom-up cascading effects, but reductions via direct effects. When considering direct and cascading effects together, land use was found to reduce biomass and species richness, with increasing magnitude at higher trophic levels. Our analyses disentangle the multifaceted effects of land-use change on tropical ecosystems, revealing that biotic interactions on broad taxonomic scales influence the ecological outcome of anthropogenic perturbations to natural ecosystems.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Plant Ecology
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

UniBE Contributor:

Jochum, Malte

Subjects:

500 Science > 580 Plants (Botany)

ISSN:

2397-334X

Publisher:

Nature Publishing Group

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

07 Nov 2017 08:47

Last Modified:

07 Dec 2017 07:31

Publisher DOI:

10.1038/s41559-017-0275-7

Uncontrolled Keywords:

Agroecology; Biodiversity; Community ecology; Ecological networks; Tropical ecology

BORIS DOI:

10.7892/boris.106066

URI:

https://boris.unibe.ch/id/eprint/106066

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