MODERN STATE OF THE REPRODUCTIVE SYSTEM OF GOLDEN MULLET (LIZA AURATA, RISSO) AT THE WESTERN PART OF THE CASPIAN SEA
نویسندگان
چکیده
منابع مشابه
Reproductive biology of the golden grey mullet, Liza aurata in the Iranian coastal waters of the Caspian Sea
The paper focuses on some of the biological characteristics of golden grey mullet, Liza aurata in Iranian waters of the Caspian Sea. Samples of commercial catch of mullet obtained by means of beach seine fishing cooperatives along the Iranian coasts of Caspian Sea (2007-2008) as monthly interval. Samples subjected to biometric measurement to specify their biological characteristics. The male/f...
متن کاملReproductive biology of the golden grey mullet, Liza aurata in the Iranian coastal waters of the Caspian Sea
The paper focuses on some of the biological characteristics of golden grey mullet, Liza aurata in Iranian waters of the Caspian Sea. Samples of commercial catch of mullet obtained by means of beach seine fishing cooperatives along the Iranian coasts of Caspian Sea (2007-2008) as monthly interval. Samples subjected to biometric measurement to specify their biological characteristics. The male/f...
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
qualitative assessment of golden gray mullet stocks (liza aurata risso, 1810) in the caspian sea (1991-2011)
the main objective of the present study was qualitative assessment of golden gray mullet stocks by using indicators of overfishing in iranian waters of the caspian sea during a long period (1991-2011). three fisheries indicators in catch were: 1. percentage of mature fish, with 100% as target; 2. percent of specimens with optimum length, with 100% as target; and 3. percentage of mega-spawners, ...
متن کاملrisk assessment of the total mercury in golden gray mullet (liza aurata) from caspian sea
mercury is the most toxic heavy metal in the aquatic ecosystems which originates both from natural and industrial resources and is ultimately deposited in sediments as methyl mercury. this metal is quickly transferred through the food chain and accumulated in organisms. in this study, the human health risk due to consumption of mullet ( liza aurata ) in the caspian sea, were evaluated by measur...
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ژورنال
عنوان ژورنال: South of Russia: ecology, development
سال: 2017
ISSN: 2413-0958,1992-1098
DOI: 10.18470/1992-1098-2017-1-44-53