| Effects of the filamentous cyanobacterium Nodularia on fitness and feeding behavior of young-of-the-year (YOY) Eurasian perch (Perca fluviatilis). | |
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MedLine Citation:
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PMID: 21521648 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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This study reveals that both cyanobacterial toxicity and turbidity have the potential to reduce the growth and energy storage of young-of-the-year (YOY) perch and thereby influence survival rates. During the 1990's a reduction in recruitment of YOY perch (Perca fluviatilis) occurred along the Swedish East coast. Concurrently, large blooms of filamentous cyanobacteria have increased in the Baltic Proper and in coastal waters. This study examined whether extended exposure to toxic and non-toxic filamentous cyanobacterium Nodularia affect YOY perch growth and feeding behavior under simulated bloom conditions (30 days at 50 μg Chl a L(-1)). Specific growth rate (SGR), the somatic condition index (SCI) and the lipid content of YOY perch (10-12 weeks old) were significantly lower in perch exposed to Nodularia compared to fed controls (no Nodularia). YOY perch exposed to non-toxic Nodularia displayed a higher attack rate than perch living in Nodularia free controls in 2 out of 3 trials. Reductions in growth and energy storage, mediated by cyanobacteria, increase the risk of starvation and predation and could locally influence recruitment of YOY perch. |
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Authors:
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Karl-Johan Persson; Patrik Stenroth; Catherine Legrand |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-20 |
Journal Detail:
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Title: Toxicon : official journal of the International Society on Toxinology Volume: - ISSN: 1879-3150 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-27 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 1307333 Medline TA: Toxicon Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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School of Natural Sciences, Marine Ecology and Evolution Biology, Linnaeus University, Barlastgatan 11, S-39182 Kalmar, Sweden. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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