نتایج جستجو برای: cpue
تعداد نتایج: 435 فیلتر نتایج به سال:
Climate and fisheries interact, often synergistically, may challenge marine ecosystem functioning and, ultimately, seafood provision human wellbeing that depend on them. Holistic integrative approaches aiming at evaluating the spatial overlap between these major stressors are crucial for identifying regions key fish species require conservation priority to prevent possible future collapses. Bas...
The temporal dynamics of biogeochemical variables derived from a coupled 3-D model of the Mediterranean Sea are evaluated for the last 50 years (1960-2010) against independent data on fisheries catch per unit effort (CPUE) for the same time period. Concordant patterns are found in the time series of all of the biological variables (from the model and from fisheries statistics), with low values ...
Abstract In this paper we model spatio-temporal data describing the fishing activities in Northern Adriatic Sea over four years. We build, implement and analyze a database based on fusion of two complementary sources: trajectories from vessels (obtained terrestrial Automatic Identification System, or AIS, feed) fish catch reports (i.e., quantity type caught) main market area. present all phases...
Estudio sobre la captura artesanal de Panulirus argus realizado en los cayos Black Mangrove y La Esperanza, diciembre 2017 a octubre del 2018, través datos Capturas libras proporcionada por pescadores registros recepción colas enteras, obtenidas responsables centros acopios (in situ) incluyendo el Esfuerzo, para efectos análisis Captura Unidad Esfuerzo (CPUE= , King, 1995) como indicador abunda...
Sources of fisheries information outside fishery-independent surveys (e.g. fishery-dependent data) are especially valuable for species that support productive and lack reliable biological information, such as the northern shortfin squid ( Illex illecebrosus ). Fishery-dependent data streams available most species, however collaboration with industry members is critical to ensure these collected...
Introduction Longline fishing gear has a higher by-catch rate than any other type of commercial gear. Nowadays, there is an urgent need to find efficient management strategies mitigate and the use new hook types could be one them. This study investigates effects longline fishery (which targets swordfish, Xiphias gladius , in South Adriatic Sea) replacing traditional J-type with circle (C-type h...
Fishing gear-based landings or survey methods are often used to make assessments of species stock abundance. In order convert catch into abundance values, estimates assumptions made on the efficiency method. This is case in areas where flat oysters, Ostrea edulis , surveyed for fisheries and conservation objectives a range projects across Europe. Flat oyster dredge vary widely from 5–30% publis...
تحقیق در خصوص تخمین توده زنده و تراکم میگوی ببری سبز (penaeus semisulcatus ) در ماه های تیر و مرداد و قبل از شروع فصل صید میگو در آبهای استان بوشهر طی سال های 1383 تا 1385 اجرا گردید. در گشت های انجام شده در تابستان هر سال ( ماههای تیر و مرداد )، بیشترین میزان صید بر واحد تلاش صیادی (cpue) مربوط به منطقه جنوبی ( بوشهر تا مطاف ) آبهای استان بوشهر بوده است. از اواسط فصل صید میگو تا انتهای آن، ب...
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