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Mechanisms of biodiversity-productivity relationships


Marquard, E. Mechanisms of biodiversity-productivity relationships. 2009, University of Zurich, Faculty of Science.

Abstract

Biodiversity is declining world-wide due to land-use change, urbanization, global warming and other anthropogenic transformations of the environment. Accumulating empirical evidence suggests that this ongoing pauperization of ecosystems impairs ecosystem functioning and thereby threatens human well-being. For assessing the consequences of species extinctions as well as for a prioritization of conservation efforts, a thorough understanding of the relationships between biodiversity and ecosystem functioning is required. In the past, numerous experiments have shown that an increase in biodiversity usually enhances community productivity but we are only beginning to understand why. In this thesis, I used data from a large-scale grassland biodiversity experiment (Jena Experiment) to explore mechanisms underlying positive relationships between plant diversity and aboveground primary productivity.

Abstract

Biodiversity is declining world-wide due to land-use change, urbanization, global warming and other anthropogenic transformations of the environment. Accumulating empirical evidence suggests that this ongoing pauperization of ecosystems impairs ecosystem functioning and thereby threatens human well-being. For assessing the consequences of species extinctions as well as for a prioritization of conservation efforts, a thorough understanding of the relationships between biodiversity and ecosystem functioning is required. In the past, numerous experiments have shown that an increase in biodiversity usually enhances community productivity but we are only beginning to understand why. In this thesis, I used data from a large-scale grassland biodiversity experiment (Jena Experiment) to explore mechanisms underlying positive relationships between plant diversity and aboveground primary productivity.

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Additional indexing

Item Type:Dissertation
Referees:Schmid B, Weigelt A, Hector A, Fischer M, Durka W
Communities & Collections:07 Faculty of Science > Institute of Evolutionary Biology and Environmental Studies
Dewey Decimal Classification:570 Life sciences; biology
590 Animals (Zoology)
Language:English
Date:2009
Deposited On:12 Oct 2009 12:33
Last Modified:06 Dec 2017 20:34
Number of Pages:138

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