نتایج جستجو برای: fishing operations
تعداد نتایج: 149015 فیلتر نتایج به سال:
Several research initiatives have been undertaken to map fishing effort at high spatial resolution using the Vessel Monitoring System (VMS). An alternative to the VMS is represented by the Automatic Identification System (AIS), which in the EU became compulsory in May 2014 for all fishing vessels of length above 15 meters. The aim of this paper is to assess the uptake of the AIS in the EU fishi...
In 2012, approximately 40,000 suicides were reported in the United States, making suicide the 10th leading reported cause of death for persons aged ≥16 years (1). From 2000 to 2012, rates of suicide among persons in this age group increased 21.1%, from 13.3 per 100,000 to 16.1 (1). To inform suicide prevention efforts, CDC analyzed suicide by occupational group, by ascribing occupational codes ...
We reviewed medical records from select wildlife rehabilitation facilities in California to determine the prevalence of injury in California Brown Pelicans (Pelecanus occidentalis), gulls (Larus spp.), and pinniped species (Zalophus californianus, Mirounga angustirostris, and Phoca vitulina) due to fishing gear entanglement and ingestion from 2001 to 2006. Of 9,668 Brown Pelican, gull, and pinn...
Analyses of operational-level, longline catch and effort data for bigeye tuna in the Western and Central Pacific Ocean were carried out under an agreement between the Secretariat of the Pacific Community and the Japan National Research Institute of Far Seas Fisheries. The objectives of the collaboration were to standardize bigeye CPUE, and to estimate the historical trend of longline catchabili...
Fishing impacts on marine food webs are predicted by simulations of a size spectrum community model. In this model, predation is determined by predator and prey size and abundance, and drives predator growth and prey mortality. Fishing amplifies temporal oscillations in the biomass flow. Oscillations appear at lower fishing intensity and have wider amplitude when fishing is selective (removes a...
The article highlights the problems of managing trawl fishing, increasing operation efficiency and reducing influence human factor. There has been considered using 
 a neural network in combination with mathematical model BigData technologies for predictive modeling process automatic control fishing order to increase its (to reduce energy labor costs, productivity). Advantages proposed app...
BACKGROUND Historically, fishing is an important activity for riverine communities established along the São Francisco River, including indigenous communities. In the present study, we researched fishing activities in two villages of the Truká ethnic group, both located in the State of Pernambuco along the sub-middle section of the São Francisco River, Northeast Brazil. We recorded the richness...
At present, sea cucumbers, urchins, and other seafood products have become increasingly significant in the aquaculture industry. In traditional fishing operations, divers go underwater for fishing, complex environment can cause harm to divers’ bodies. Therefore, use of robots has a current trend. During process, rely on vision accurately detect cucumbers urchins. this paper, an algorithm target...
OBJECTIVE To investigate long-term trends in mortality rates for accidents to fishing vessels in the UK fishing industry from 1948 to 2008; to investigate the circumstances and causes of these fishing vessel accidents and trends in fishing vessel losses. MATERIAL AND METHODS Examination of paper death inquiry files, death registers, marine accident investigative files, annual casualty and dea...
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