نوع مقاله : مقاله پژوهشی
نویسندگان
ساری
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Caspian sea is the largest enclosed sea of the world Up to 10 miles from the coastal line is included in the EEZ after which common water zone starts. The investigation was carried out in order to determine sturgeon stocks in the common waters of southeastern Caspian sea and propose suitable fishing methods. The study lasted for one year during which fishing data, species composition, age composition, maturity stages and other parameters relating to sturgeon squired from common and exclusive waters and compared with each other. The results showed greater density of immature and smaller sturgeons in the common waters. Also southeastern common waters of the caspian sea was found unsuitable for fishing of sturgeons......
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