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Far-ranging generalist top predators enhance the stability of meta-foodwebs

Brechtel, Andreas ; Gross, Thilo ; Drossel, Barbara (2019)
Far-ranging generalist top predators enhance the stability of meta-foodwebs.
In: Scientific Reports, 9 (1)
Article, Primary publication

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Item Type: Article
Type of entry: Primary publication
Title: Far-ranging generalist top predators enhance the stability of meta-foodwebs
Language: English
Date: 2019
Place of Publication: Darmstadt
Publisher: Springer Nature
Journal or Publication Title: Scientific Reports
Volume of the journal: 9
Issue Number: 1
Corresponding Links:
Abstract:

Identifying stabilizing factors in foodwebs is a long standing challenge with wide implications for community ecology and conservation. Here, we investigate the stability of spatially resolved meta-foodwebs with far-ranging super-predators for whom the whole meta-foodwebs appears to be a single habitat. By using a combination of generalized modeling with a master stability function approach, we are able to efficiently explore the asymptotic stability of large classes of realistic many-patch meta-foodwebs. We show that meta-foodwebs with far-ranging top predators are more stable than those with localized top predators. Moreover, adding far-ranging generalist top predators to a system can have a net stabilizing effect. These results highlight the importance of top predator conservation.

URN: urn:nbn:de:tuda-tuprints-91036
Classification DDC: 500 Science and mathematics > 530 Physics
Divisions: 05 Department of Physics > Institute for condensed matter physics (2021 merged in Institute for Condensed Matter Physics)
Date Deposited: 17 Sep 2019 14:56
Last Modified: 13 Dec 2022 11:32
URI: https://tuprints.ulb.tu-darmstadt.de/id/eprint/9103
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