Eutrophication as a driver of r-selection traits in a freshwater fish

作者: M Lin , M Chevalier , S Lek , L Zhang , RE Gozlan

DOI: 10.1111/JFB.12426

关键词: Trade-offFecundityFreshwater fishFisheryReproductionChanodichthysEcologyBiologyEutrophicationWater qualityOverfishing

摘要: This study tested whether eutrophication could influence life-history traits of a cyprinid, Chanodichthys erythropterus, in 10 Chinese lakes. Using the von Bertalanffy growth model, asymptotic length (L-infinity) and performance index (I-GRO) were significantly affected by eutrophication. The gonado-somatic (I-G) relative fecundity (F-R) lower mesotrophic lakes than eutrophic hypertrophic These results indicate that increasing affects tactics freshwater fish. (C) 2014 Fisheries Society British Isles

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