An investigation of factors related to the bycatch of small cetaceans in fishing gear
, 2011 The bycatch of cetaceans in fishing gear is considered to be one of the biggest conservation threats to these species. Gear modifications have the potential to reduce these bycatches in global fisheries but there is little available information on how ...
Mackay, Alice I.
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A BIOECONOMIC ANALYSIS OF THE SWEDISH FISHERY FOR NORWAY LOBSTER (NEPHROPS NORVEGICUS)
A modified version of Jones' length-based cohort analysis is linked to economic data from the Swedish trawl fishery for Norway lobster (Nephrops norvegicus). The current regulation implies a fishing practice where each landed lobster entails three killed
Ulmestrand, Mats, Eggert, Hakan
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Manual for International Bottom Trawl Surveys. Revision IV
, 1992 This manual is arevision of ICES C.M. 1986/H:2. The previous manual referred specifically to the International Young Fish Survey (lYFS) that was conducted each year in the month of February.
ICES (11907872)
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Semi-Pelagic Trawling in The U.S. West Coast Groundfish Bottom Trawl Fishery: Effects on Catch Efficiency and Seafloor Interactions [PDF]
Reducing the impacts of bottom trawling on seafloor habitats is a management priority in the U.S. West Coast groundfish bottom trawl fishery as well as other trawl fisheries internationally.
Herrmann, Bent +4 more
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Report of the International Bottom Trawl Survey Working Group (IBTSWG)
, 2003 IBTSWG meeting in Lorient, France. 25-28 March 2003.Also the Report of the International Bottom Trawl Survey in the North Sea, Skagerrak and Kattegat in 1998: Quarter 3.
ICES (11907872)
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Injury Rates of Red King Crab, Paralithodes camtschaticus, Passing Under Bottom-trawl Footropes
, 1999 The rate of injuries sustained by red king crab, Paralithodes camtschaticus, during passage under several types of bottom trawl footropes was examined using a modified bottom trawl in Bristol Bay, Alaska.
Rose, Craig S.
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Retrospective analysis on the effects of bottom trawl fishing in the Gulf of Alaska and Aleutian islands [PDF]
, 2006 Thesis (M.S.) University of Alaska Fairbanks, 2006Commercial bottom trawl fishing effort during 1990-2000 was summarized for the Gulf of Alaska and Aleutian Islands to determine spatial and temporal patterns of fishing effort.
Coon, Catherine
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Influence of seasonality of bottom trawl surveys on assessment of stocks for bottom fish
Izvestiya TINROReliability of the fish stock assessments is affected by many factors, including seasonal patterns of fish distribution and inhomogeneity of distribution density. Results of two bottom trawl surveys are compared, which were conducted in the same area of Peter the Great Bay (Japan Sea) and in the same year 2013 but in different seasons, as spring and ...
P. V. Kalchugin, S. F. Solomatov
openaire +1 more source
MULTISPECIES REVENUE FUNCTION ESTIMATION FOR NORTH PACIFIC GROUNDFISH FISHERIES
Multiproduct, multispecies revenue functions are estimated for the midwater and bottom-trawl pollock fisheries off Alaska. There are strong year and seasonal effects on coefficient estimates, and the technology is joint in outputs for each major ...
Larson, Douglas M. +4 more
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