نتایج جستجو برای: purse seine
تعداد نتایج: 4677 فیلتر نتایج به سال:
We assess the status of 2 dolphin stocks affected by purse-seine fishing in the eastern topical Pacific and evaluate hypotheses for their lack of recovery. We use Bayesian methods and fit generalized models of logistic population growth to abundance estimates for northeastern offshore spotted dolphins Stenella attenuata attenuata and eastern spinner dolphins Stenella longirostris orientalis. In...
Research surveys attempting to use acoustic devices (i.e. echo sounders and sonar) to avoid bycatch and STFO are significantly hindered by the lack of any way to accurately verify what is actually under their vessel and being recorded on their instruments. Purse seine fishermen have a distinct advantage as they can refine catch estimates with every successful set and no doubt become quite profi...
Tropical tuna fisheries are among the largest worldwide, with some having significant bycatch issues. However, pole-and-line tuna fisheries are widely believed to have low bycatch rates, although these have rarely been quantified. The Maldives has an important pole-and-line fishery, targeting skipjack tuna (Katsuwonus pelamis). In the Maldives, 106 pole-and-line tuna fishing days were observed ...
Larangan Coastal Fishing Port, located in Tegal Regency, Central Java, is one of the ports Java with a fairly high fishery production. Purse seine Teri type fishing gear used PPP whose catch productive. The purpose this research to analyze technical and financial aspects capture fisheries business purse Teri. material 8 units ship lights. method observation interviews. Technical analysis includ...
The main target species of Japanese purse seine operated in the tropical waters of the Pacific Ocean is skipjack tuna (Katsuwonus pelamis) and yellowfin tuna (Thunnus albacares) consisted of nearly 98 % to their total catch weight and the remaining is bigeye tuna (Thunnus obesus) according to logbook. The recent study of the vertical distribution of the three species around drifting FADs (fish ...
Perikanan ikan layang di Kalimantan Barat pada umumnya ditangkap dengan alat tangkap purse seine Laut Natuna Utara. Hasil tangkapan utama yaitu dan pendaratan terbesarnya Pemangkat. Perkembangan produksi yang daratkan Pemangkat mengalami penurunan drastis dari tahun 2011 – 2017 tetapi upaya penangkapannya meningkat. Secara biologis tertangkap banyak belum matang gonad, sehingga kemungkinan geja...
NMFS proposes regulations to implement a fishing capacity reduction program and an industry fee system to repay a $23.5 million loan for the Southeast Alaska Purse Seine Salmon Fishery (Reduction Fishery). The fee system involves future landings of the Reduction Fishery. This action’s intent is to permanently reduce the most fishing capacity at the least cost and establish the fee system. DATES...
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