The impact of environmental factors on CPUE and distribution of Kilka species (Pisces: Clupeidae), in the Southwest of Caspian Sea (Bandar Anzali)

The present study analysed the relationship between catch amounts of the Clupeidae species and monthly average weather temperature, rainfall, wave high and water depth in the southwestern of Caspian Sea. The data from two maritime consecutive years gathered by means of industrial fishing vessel were used in the data analysis. The results showed that the correlation between monthly average water depth, wave high and rainfall with catch amounts is medium. And also, summer average catch amounts were increased with weather temperature arises and fishing area was inclined toward shoreline in this season.