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chalut démersal

demersal towed net

pêche - iate.europa.eu

chalut démersal

demersal trawl

pêche - iate.europa.eu

Il est interdit aux bateaux dont la longueur hors tout dépasse 8 mètres d'utiliser tout chalut démersal, senne danoise ou engin traînant similaire à l'intérieur des zones géographiques suivantes:

Vessels exceeding eight metres length overall shall be prohibited from using any demersal trawl, Danish seine or similar towed gear inside the following geographical areas:

général - CCMatrix (Wikipedia + CommonCrawl)

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Trophic model of the coastal ecosystem in the waters of bangladesh, bay of bangal... The biomasses of the groups (particularly the demersal species) were estimated from demersal trawl surveys conducted in the area between 1984 and 1986....

général - core.ac.uk - PDF: www.worldfishcenter.org

Evaluation of sampling gear for demersal resource surveysThe three demersal trawls evaluated were 38 m HSDT-II, indigenously developedby CIFT for deep sea fishing in Indian EEZ; and two imported designs, viz.,45.6...

PDF: eprints.cmfri.org.in

Winter gam smooth functions from the habitat models.Non-linear regression between local densities of A-B) capelin sampled acoustically, C-D) capelin sampled with demersal trawl, F-G) immature cod, J-K) mature cod, and depth (m) and temperature (°C)....

PDF: www.plosone.org

Managing south africa’s trawl bycatch... South Africa implemented a pilot observer programme from 1995 to 2000 to collect data on the levels and patterns of bycatch and discards in the demersal trawl fishery....

PDF: icesjms.oxfordjournals.org

Length-weight relationships of demersal fishes from the gulf of salamanca, colombia: [part 2]The parameters a and b of the length-weight relationship of the form W=aL super(b) are presented for 37 fish species, belonging to 17 families, caught during a demersal trawl survey over the period December 1995 to March 1998 in the Gulf of Salamanca, Colombi

PDF: aquaticcommons.org

chalut démersal

bottom trawl

pêche - iate.europa.eu

Le chalut démersal ou de fond regroupe plusieurs types d’engins, qui utilisent tous un filet conique avec un cul de chalut fermé qui retient les prises.

Demersal or bottom trawling covers several gear types, all of which use a cone-like net with a closed end (cod-end) that holds the catch.

général - CCMatrix (Wikipedia + CommonCrawl)

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Data conversions for american plaice from the surveys conducted by spain in the nafo regulatory area of divisions 3no, 1995-2002Since 1995, a stratified random spring bottom trawl survey in the NAFO Regulatory Area of Div....

pêche / analyse économique / organisations mondiales - core.ac.uk - PDF: www.repositorio.ieo.es

Cannibalism and year-class strength in atlantic cod (gadus morhua l.) in arcto-boreal ecosystems (barents sea, iceland, and eastern newfoundland)... In each region, cannibalism occurs over most of the area surveyed, but ismost prevalent where the smallest cod have been found in bottom trawl surveys....

PDF: core.ac.uk

Species composition and relative abundance of zooplanktivorous haplochromines in the northern portion of lake victoria (uganda)Recent surveys have indicated an increase in haplochromine biomass recorded from the bottom trawl and in the beam trawl....

PDF: aquaticcommons.org

Verringerung der dorschbeifänge in der schleppnetzfischerei auf plattfische mit einem im oberblatt reduziertem grundschleppnetzTrials with the “topless” version (with reduced upper panel) of the bottom trawl resulted in a 63 % reduction of cod bycatch in numbers, compared to the complete trawl....

PDF: aquaticcommons.org

The effect of different sweep lengths on length composition of bottom sampling trawl catchesAbundance estimates of North-east Arctic cod and haddock aregiven annually on the basis of combined bottom trawl and acousticsurveys....

PDF: core.ac.uk