Estimation of total retained catch based on frequency of fishing trips, inspections at sea, transhipment, and VMS data
نویسندگان
چکیده
منابع مشابه
Analysis of fishing trend and prediction of fisheries potential based on catch data analyses (case study: the Caspian Sea)
The simple linear model and catch data from Caspian Sea during a decade were used to assess the state of the fishery in this region. Also fishery trends were analysed to determine the catch fluctuation during the period. Fishing potential of the species for the following year was predicted. Catch trend analyses of bony fishes showed incremental or decreasing patterns for different species. Howe...
متن کاملCatch composition and fishing trend of kilka in Iranian part of the Caspian Sea
Population structure of three kilka fishes (Clupeonella spp.), particularly anchovy kilka (C. engrauliformis), in Iranian waters of the Caspian Sea was surveyed in 2003. A total of 3230 biweekly samples were collected from commercially landed kilka at 3 stations in Mazandaran and Guilan provinces. Catch and effort statistics were obtained from the relevant organization. Results showed a great d...
متن کاملa corpus-based study of the frequency of personal pronouns in translated and comparable non-translated persian texts
چکیده ندارد.
15 صفحه اولCatch composition and fishing trend of kilka in Iranian part of the Caspian Sea
Population structure of three kilka fishes (Clupeonella spp.), particularly anchovy kilka (C. engrauliformis), in Iranian waters of the Caspian Sea was surveyed in 2003. A total of 3230 biweekly samples were collected from commercially landed kilka at 3 stations in Mazandaran and Guilan provinces. Catch and effort statistics were obtained from the relevant organization. Results showed a great d...
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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...
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ژورنال
عنوان ژورنال: ICES Journal of Marine Science
سال: 2011
ISSN: 1095-9289,1054-3139
DOI: 10.1093/icesjms/fsr117