Significance of Traditional and Advanced Morphometry to Fishery Science

Morphometry Truss Network Image Analysis Multivariate Analysis Principal Component Analysis.

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Morphometric characters of fishes are measurable or metric characters. Morphometrics is a more or less interwoven set of large statistical procedures to analyze variability in the size and shape of organisms. Morphometrics and phylogenetics of a species are combined to utilize existing phylogeny, which addresses hypotheses of shape change through evolutionary time. Morphometric differences among stocks of a species are recognized as important for evaluating population structure and forming a basis for identifying stocks. Advancements in morphometrics have used powerful tools for testing and displaying differences in shape, isolating shape from size variation, and identifying stocks of species with unique morphological characteristics, enabling better management of the species. Traditional or standard morphometry has been improvised from time to time with advanced methods by technological advancements like geometric morphometrics, image analysis, principal component analysis, truss network analysis, and multivariate analysis, as well as many more, to update knowledge and get more accurate information. These advanced methods have strengthened earlier technologies to improve and upgrade fishery research throughout the globe.

 

Doi: 10.28991/HEF-2020-01-03-05

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