The efficiency of hand line in catch of fish types in the ‎Bustan Dam Lake, Golestan province

Document Type : Original Article

Authors

Departmen of Fishing and Exploitation, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.

Abstract

This study was performed to investigate the effectiveness of the hand line used in different seasons in the lake of the Bustan Dam, Golestan Province. Data on the fishes in the dam lake was obtained from the catch from winter 2018 to fall 2019, using J-shaped hooks with numbers 3 and 2. A total of 199 specimens were caught by the fishermen, including common carp (Cyprinus carpio), Caspian scraper (Capoeta razii), Prussian carp (Carassius gibelio) and Sharp belly (Hemiculter leucisculus). Baits used in fishing were shrimp and paste baits. According to the results of the effect of hook size, type of bait, season and soak time on the amount of catch using a model derived from the logarithmic dependent variable, all the parameters investigated in the model have a significant effect on the number of carp caught. The number of carp caught with shrimp bait was significantly higher than the catch with paste bait by 100% in the winter of 2018 and summer and autumn of 2019 using hooks number 2 and 3. Hook size and soak time did not have a significant effect on the amount of Caspian scraper caught. Caspian scraper was caught only using paste bait, and the highest percentage of the catch was 64.7% with hook number 2 and 41.7% with hook number 3 in the fall season of 2019. The results showed that the size of the hook and the use of baits that are accepted by any type of fish have an effect on the amount and catch of various types of fish and will increase the catch.

Keywords

References

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Aquaculture Sciences
Volume 10, Issue 2
October 2022
Pages 180-189

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