Use of Fish Liver Pathology as a Tool for Environmental Assessment (`siabstract)by D. Scott Becker, Tetra Tech Inc, Arlington, VA, USA,
Thomas C. Ginn, Tetra Tech Inc, Arlington, VA, USA,
Thomas M. Grieb, Tetra Tech Inc, Arlington, VA, USA,
Abstract: Despite the recognized value of fish liver pathology as an environmental assessment tool, little guidance is available on the design and interpretation of such studies. Proper study design is essential to conducting cost-efficient and effective investigations. The paper referred to in this abstract reviews the literature on field and laboratory studies of fish liver pathology and extracts from it information relevant to the design of future field studies. Included are discussions of species selection, age stratification, seasonality, field collection, laboratory methods, nomenclature, and data analysis. Also referred to is a statistical power analysis of the G-test for independence, to evaluate the influence of sample size on comparisons of lesion prevalences between polluted and reference sites.
Subject Headings: Field tests | Laboratory tests | Fish management | Sustainable development | Water pollution | Decision support systems | Information management
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