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Satiation effects in piscivore prey size selection
Lund university, Sweden.
Lund university, Sweden.
Lund university, Sweden.ORCID iD: 0000-0002-6692-9838
2006 (English)In: Ecology of Freshwater Fish, ISSN 0906-6691, E-ISSN 1600-0633, Vol. 15, no 1, p. 78-85Article in journal (Refereed) Published
Abstract [en]

We present a functional response model that primarily evaluates effects of satiation in piscivore prey-size selection. The model also includes other passive processes, such as prey-size-dependent encounter rate and prey-size-dependent capture success, where capture success decreases and encounter rate increases with prey size. The model generates a wide variety of outcomes, where small, intermediate or large prey is positively selected for. These very different selectivity patterns are generated without any active prey choice included in the model. The results stress the importance of controlling for satiation and other passive processes in empirical studies on prey-size selection, especially if the aim is to test active prey choice in piscivores. © 2005 The Authors Journal compilation 2005 Blackwell Munksgaard.

Place, publisher, year, edition, pages
John Wiley & Sons, 2006. Vol. 15, no 1, p. 78-85
National Category
Agricultural Science, Forestry and Fisheries
Research subject
Natural Science, Ecology
Identifiers
URN: urn:nbn:se:lnu:diva-89441DOI: 10.1111/j.1600-0633.2005.00124.xISI: 000235210100009Scopus ID: 2-s2.0-33745931931OAI: oai:DiVA.org:lnu-89441DiVA, id: diva2:1357533
Available from: 2019-10-04 Created: 2019-10-04 Last updated: 2021-04-27Bibliographically approved

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Wolf, Annett

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