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Information Journal Paper

Title

SURVEY OF SOME PARAMETERS OF POPULATION DYNAMIC OF CAPOETA TRUTTA IN GAMASIAB RIVER IN KERMANSHAH PROVINCE

Pages

 Start Page 1 | End Page 6

Abstract

 In this study, some biological and ecological (i.e. age and reproduction) characteries of populations of CAPOETA TRUTTA in Gamasiab River in Kermanshah Provience was studied from August 2008 to June 2009. During this study, 252 specimens were caught using Cast net and Gill net. Totally, five age groups (1-5 years) were identified. Sex ratio was 1.96♂: 1♀. In this study, it was revealed that in age, length and weight frequencies in female fish were longer and heavier than male fish (except, for male of 1 year). Mean CONDITION FACTORs of fish Gamasiab River were 1.22 There was significant difference between male and female fish (P<0.01). Mean GSI of fishes were 3.64. Mean ABSOLUTE FECUNDITY in female fish was 7756 egg number per weight fish. Rang EGG DIAMETER in this study was 0.12-1.90 mm.

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