Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 551177
Title Horizontal and vertical diversity jointly shape food web stability against small and large perturbations
Author(s) Zhao, Qinghua; Brink, Paul J. Van den; Carpentier, Camille; Wang, Yingying X.G.; Rodríguez-Sánchez, Pablo; Xu, Chi; Vollbrecht, Silke; Gillissen, Frits; Vollebregt, Marlies; Wang, Shaopeng; Laender, Frederik De
Source Ecology Letters 22 (2019)7. - ISSN 1461-023X - p. 1152 - 1162.
DOI https://doi.org/10.1111/ele.13282
Department(s) Aquatic Ecology and Water Quality Management
WIMEK
Environmental Risk Assessment
Resource Ecology
Publication type Refereed Article in a scientific journal
Publication year 2019
Keyword(s) Equilibrium - horizontal diversity - large perturbations - small perturbations - stability - vertical diversity
Abstract

The biodiversity of food webs is composed of horizontal (i.e. within trophic levels) and vertical diversity (i.e. the number of trophic levels). Understanding their joint effect on stability is a key challenge. Theory mostly considers their individual effects and focuses on small perturbations near equilibrium in hypothetical food webs. Here, we study the joint effects of horizontal and vertical diversity on the stability of hypothetical (modelled) and empirical food webs. In modelled food webs, horizontal and vertical diversity increased and decreased stability, respectively, with a stronger positive effect of producer diversity on stability at higher consumer diversity. Experiments with an empirical plankton food web, where we manipulated horizontal and vertical diversity and measured stability from species interactions and from resilience against large perturbations, confirmed these predictions. Taken together, our findings highlight the need to conserve horizontal biodiversity at different trophic levels to ensure stability.

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