AN APPLICATION OF PRINCIPAL COMPONENTANALYSIS TO THE DETERMINATION OF THEINDICES OF BODY CHARACTERS IN THEGROWTH OF SILVER CARP(HYPOPHTHALMICHTHYS MOLITEIX) FINGERLINGS
主成分分析方法在鲢鱼种生长体征指标分析中的应用

The growth of fish, like other organisms, is a complicated process, and it is inadequate to describe the feature of growth in terms of the changes of individual characters (such as length and weight). When fish grows, there are increases not only in length and in weight, but also in height and these increases are closely interrelated. Based on the changes of multi-indices of body character, the authors describe the regularity of growth in fingerling silver carp by using the method of principal component ana...