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Feeding range of age 1+year Eurasian perch Perca fluviatilis in the Baltic Sea
Stockholm University, Faculty of Science, Department of Ecology, Environment and Plant Sciences.
Stockholm University, Faculty of Science, Department of Ecology, Environment and Plant Sciences.
Stockholm University, Faculty of Science, Department of Ecology, Environment and Plant Sciences.
Stockholm University, Faculty of Science, Department of Ecology, Environment and Plant Sciences.
Number of Authors: 4
2017 (English)In: Journal of Fish Biology, ISSN 0022-1112, E-ISSN 1095-8649, Vol. 90, no 5, 2060-2072 p.Article in journal (Refereed) Published
Abstract [en]

Using the widespread Eurasian perch Perca fluviatilis as a model organism, feeding ranges were investigated using stable-isotope ratios (N-15 and C-13) and body condition. Differences were found between closely located sampling sites in a littoral area without obvious migration barriers, indicating that individual fish had small feeding ranges. Body condition differences between sampled stations were consistent over 4 years. Such sedentary behaviour is important to consider in, e.g. fisheries management and environmental monitoring, as local catch regulations may be meaningful or geographic stability in sampling locations may reduce noise in data.

Place, publisher, year, edition, pages
2017. Vol. 90, no 5, 2060-2072 p.
Keyword [en]
body condition, food web, littoral, sedentary, spatial scale, stable isotopes
National Category
Agricultural Science, Forestry and Fisheries Biological Sciences
Identifiers
URN: urn:nbn:se:su:diva-144870DOI: 10.1111/jfb.13285ISI: 000400789500022OAI: oai:DiVA.org:su-144870DiVA: diva2:1116953
Available from: 2017-06-28 Created: 2017-06-28 Last updated: 2017-06-28Bibliographically approved

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Holliland, Per BenjaminHansson, Sture
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