Spatial and Environmental Drivers of Summer Growth Variability and Adaptive Mechanisms of <i>Euphausia crystallorophias</i> in the Amundsen Sea and Its Adjacent Regions. [PDF]
Yang J +9 more
europepmc +1 more source
Danish sampling of commercial fishery: Overview with special attention to discards 2010 data [PDF]
Dalskov, Jørgen +4 more
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Proposal for a Council regulation (EEC) concerning the management and control of certain catch quotas for 1982 for vessels flying the flag of a Member State and fishing in the Regulatory Area defined in the NAFO Convention. COM (81) 593 final, 21 October 1981 [PDF]
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Simple Closing Midwater Trawl for Small Boats
North American Journal of Fisheries Management, 1989Abstract A closing midwater-trawl system for a small boat (7 m) was developed to apportion hydroacoustic population estimates among fish species by collecting vertically stratified limnetic fish samples. These stratified samples could also be used for providing biological data on the fish or for feeding and behavior studies.
Hermann J. Enzenhofer, Jeremy M. B. Hume
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Walleye pollock (Theragra chalcogramma) behavior in midwater trawls
Fisheries Research, 2013Abstract Trawls are standard tools for surveying fisheries resources, yet they are selective in what they retain, and thus provide potentially misleading information about fish populations. In order to evaluate the potential for selective retention in a midwater survey trawl used in conjunction with acoustic surveys of walleye pollock, fish behavior ...
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Avoidance and escape behaviour by herring encountering midwater trawls
Fisheries Research, 1997The main objective of this study was to assess how and to what extent Baltic herring avoid and escape midwater trawls under commercial fishing conditions. Information was obtained by acoustic, visual and direct sampling techniques. The majority of herring schools in the path of an approaching trawl were observed to enter the trawl.
Suuronen, Petri +2 more
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A new electronic system for the rectangular midwater trawl (RMT)
Marine Biology, 1990This paper describes a modified modern version of the original rectangular midwater trawl (RMT) manufactured by the Institute of Oceanographic Sciences (IOS). The shipboard acoustic transducer and the underwater RMT-monitor were replaced by an electronic interface box was while the data transfer, realized by a single-conductor cable.
W. Dimmler, H. Klindt
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Quantification of water flow and net drag in midwater trawls
Fisheries Research, 1993Abstract The flow velocity and hydrodynamic drag of 18 quarter-scale midwater box trawl nets were quantified in a circulating water channel using electromagnetic current meters and strain gauges, with the mouth of each net attached to a rigid pipe frame to maintain geometric similarity.
Buxton, N. G., DeAlteris, J. T.
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Greenhouse gas (GHG) emissions from fisheries are of primary concern because of their effects on the environment. GHG emissions from fisheries are mainly related to their fuel consumption. Furthermore, the fuel consumption of fisheries also influences their economics. Therefore, many studies have been conducted to find ways of reducing fuel consumption
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