Results 201 to 210 of about 3,908 (258)
Unveiling the trophic dynamics and ecological roles of demersal fish in Hong Kong: A metabarcoding and isotope analysis approach. [PDF]
PLoS OneWong HC +8 more
europepmc +1 more source
Towards a comprehensive assessment of ichthyofaunal diversity in the Yangtze River estuary: Leveraging environmental DNA technology and bottom trawl surveys. [PDF]
HeliyonLyu S +6 more
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Endoscopic Retrograde Cholangio-Pancreatography in Children: Retrospective Audit at the Largest Tertiary Pediatric Institution in Singapore. [PDF]
Pediatr Gastroenterol Hepatol NutrCher WQ +4 more
europepmc +1 more source
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Pipeline-Trawl Interaction: Effect of Trawl Clump Weights
Volume 4: Terry Jones Pipeline Technology; Ocean Space Utilization; CFD and VIV Symposium, 2006This paper deals with clump weights, a new type of component in bottom trawl gear that needs to be considered in design and reassessment of pipelines. In recent years it has become popular to use two trawl bags, a so-called twin trawl, to increase the swept area and, thus, the efficiency of the trawler.
Olav Fyrileiv +3 more
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Analysis of trawl selectivity studies with an application to trouser trawls
Fisheries Research, 1992Abstract Data gathered from trouser trawl, split trawl, twin trawl, or alternate haul surveys do not conform to the assumptions required by conventional statistical methodology for analysing count data. Consequently, the application of conventional statistical methods may lead to incorrect results and conclusion. This paper presents a new statistical
R.B. Millar, S.J. Walsh
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A comparison of the GOV survey trawl with a commercial whitefish trawl
Fisheries Research, 2012Comparative trials were carried out to evaluate the performance of the GOV (Grande Ouverture Verticale) survey trawl in relation to a commercial whitefish trawl. The gears were rigged in a twin trawl configuration and a comparison of catch rates suggest that, overall, the differences in performance between the two gears are not great, and vary ...
D.G. Reid +5 more
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2006
Seçicilik ızgaraları, başta troller olmak üzere bir çok av aracında tür ve boy seçiciliğini geliştirmek için kullanılan özel seçici cihazlara denir. Bu çalışmada, son yıllarda kullanım alanı giderek artan ve bazı ülkelerde yasalarla zorunlu hale getirilen ızgaralarının yapısal özellikleri, boyutlandırılması ve donatımı üzerinde ...
AYDIN, Celalettin, TOSUNOĞLU, Zafer
openaire +2 more sources
Seçicilik ızgaraları, başta troller olmak üzere bir çok av aracında tür ve boy seçiciliğini geliştirmek için kullanılan özel seçici cihazlara denir. Bu çalışmada, son yıllarda kullanım alanı giderek artan ve bazı ülkelerde yasalarla zorunlu hale getirilen ızgaralarının yapısal özellikleri, boyutlandırılması ve donatımı üzerinde ...
AYDIN, Celalettin, TOSUNOĞLU, Zafer
openaire +2 more sources
Journal of the Marine Biological Association of the United Kingdom, 1895
Fully ten years having elapsed since the Report on Trawling on the eastern shores was presented to the Trawling Commission (composed of the late Earl of Dalhousie, chairman; Right Hon. Edward Marjoribanks, M.P., now Lord Tweedmouth; Prof. Huxley; Mr. W. S. Caine, M.P.; and Mr., now Sir, T. F.
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Fully ten years having elapsed since the Report on Trawling on the eastern shores was presented to the Trawling Commission (composed of the late Earl of Dalhousie, chairman; Right Hon. Edward Marjoribanks, M.P., now Lord Tweedmouth; Prof. Huxley; Mr. W. S. Caine, M.P.; and Mr., now Sir, T. F.
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2019
Bottom Trawling. One of the most common ways to catch fish is by dragging nets along the seafloor. This causes changes in the plants and animals that live there. When the same areas are trawled frequently, the community on the seafloor can be drastically changed. Long-lived species such as corals and sponges are severely affected.
Ray Hilborn, Ulrike Hilborn
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Bottom Trawling. One of the most common ways to catch fish is by dragging nets along the seafloor. This causes changes in the plants and animals that live there. When the same areas are trawled frequently, the community on the seafloor can be drastically changed. Long-lived species such as corals and sponges are severely affected.
Ray Hilborn, Ulrike Hilborn
openaire +1 more source
Use of a semi-pelagic trawl in a tropical demersal trawl fishery
Fisheries Research, 1993Abstract A fork rigged semi-pelagic trawl was modified to meet Australian regulations and its performance was evaluated against that of a demersal trawl commonly used in a tropical trawl fishery. The catch rates and sizes of commercial species (mainly Lutjanus spp.) and production costs were found to be similar in both nets.
David C. Ramm +3 more
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