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Sequential boundary eigenvalue destabilisation (SeBEDes): an expert method for parameter screening and estimation in complex ecosystem models

Abstract:

We present a new method to find parameter sets that allow all populations to co-exist in multitrophic level food web models in which the outcome of competition between populations at each trophic level is determined by R* theory. The method involves sequentially destabilising an eigenvalue at the boundary equilibrium point of the winning population at each trophic level. We illustrate the procedure on a six population, three trophic level ecosystem model of a pelagic Antarctic ecosystem. We u...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.envsoft.2017.01.011

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Institution:
University of Oxford
Oxford college:
St Hilda's College
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Role:
Author
Publisher:
Elsevier Publisher's website
Journal:
Environmental Modelling and Software Journal website
Volume:
90
Pages:
167-181
Publication date:
2017-02-02
Acceptance date:
2017-01-17
DOI:
EISSN:
1873-6726
ISSN:
1364-8152
Source identifiers:
675812
Keywords:
Pubs id:
pubs:675812
UUID:
uuid:383af7dc-83a7-494f-bb96-486aed6238a9
Local pid:
pubs:675812
Deposit date:
2017-02-03

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