Comparative Study of Length-Weight-Relationship (LWR) of the Fishes and Fishing Gears use in Goronyo Reservoir and River Rima in Sokoto State, Nigeria
Journal Title: International Journal of Zoology and Animal Biology - Year 2021, Vol 4, Issue 2
Abstract
Length - weight relationship is an important fishery management tool in estimating the average weight at a given length group and in assessing the relative wellbeing of a fish population.This study was conducted for six months, from April to October 2018 in both Goronyo reservoir (GR) and downstream River Rima (RR) to compare and evaluate the Length-WeightRelationship (LWR) of some important commercial fishes and fishing gears used in the two water bodies. Five (5) and three (3) fish landing sites were purposively selected from Goronyo reservoir and River Rima because of their high fish landings and 10 fishermen were randomly selected and their catches monitored. The length and weight values were transformed into natural logs through the regression equation Log W = a + b Log L using SPSS computer software version 22. A total of 66 fish species were identified from the two water bodies, Goronyo reservoir accounted for 28 while River Rima accounted for 38 and 22 species were common in both water bodies.
Authors and Affiliations
Gusau IA*, Muhammad U and Bilbis BD
Keywords
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- EP ID EP754258
- DOI 10.23880/izab-16000283
- Views 36
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