Causes of fish depletion: a factor analysis approach
A study was conducted in 54 wetlands of 13 districts of Assam, India to evaluate the causes of fish depletion. Twenty-two variables were considered for the study. Seven factors were extracted through factor analysis (Principal Component Analysis) based on Eigen Value Criteria of more than one. These seven factors together accounted for 69.3% of the total variance. Based on the characteristics of the variables, all the factors were given descriptive names. These variables can be used to measure the extent of management deficiency of the causes of fish depletion in the wetlands. The factors are management deficiency, organic load interference, catchment condition, extrinsic influence, fishermenÆs ignorance, external environment and aquaculture program. Management deficiency accounted for a substantial portion of the total variance.
Volume (Year): 28 (2005)
Issue (Month): 1/2 ()
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