Temporal changes in the relationship between condition indices and proximate composition of juvenile Coregonus artedi

作者: K. L. Pangle , T. M. Sutton

DOI: 10.1111/J.0022-1112.2005.00660.X

关键词: EcologyLake herringProximate compositionEnergy densityBiologyLaboratory experimentCoregonusJuvenileAnimal sciencePositive correlationWater content

摘要: The Fulton-condition factor (K) and per cent whole-body water content were examined to determine whether these indices can estimate the proximate composition of juvenile lake herring Coregonus artedi exposed a simulated Lake Superior winter over 225 day laboratory experiment. K was positively correlated crude lipid, protein, gross energy negatively for each sampling period experiment (days 75, 150 225). In contrast, there only weak positive correlation between ash content. While with protein three periods, this predictor weakly negative. be used accurately temporal changes in during periods.

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