Примеры использования Demersal на Английском языке и их переводы на Русский язык
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It is a demersal fish.
Demersal fish are bottom feeders.
It is a marine subtropical demersal fish.
Most demersal fish are benthopelagic.
This species occurs in the demersal zone of the Gulf of Aden.
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It is a marine subtropical oceanodromous demersal fish.
Species toothfish, target demersal Area all Season all Gear trawl 1.
Trace metals and potential toxic elements should be assessed in muscle andtarget organs of dominant demersal fish and invertebrate species.
The impact of demersal longlines on seabed habitats has not been well studied.
An additional scientific background chapter on demersal fish is currently being prepared.
Pelagic and demersal longlining fisheries are the largest threat to seabirds.
CCAMLR scientific survey andcommercial finfish database demersal fish- presence/absence only.
Fisheries for straddling demersal fish stocks and other high seas demersal fish stocks are primarily conducted with bottom trawlers.
Ii Collect data on the sea floor communities specifically relating to megafauna, macrofauna, meiofauna, microfauna,nodule fauna and demersal scavengers;
Gunnari requires estimating demersal and pelagic components of ice-fish population in the water column above the layer sampled by bottom trawl.
Indeed, from information already available,it has been concluded that many demersal straddling fish stocks are fully exploited, if not overfished.
Demersal longliners must now use streamer lines and either night-set or employ specified line-weighting regimes when day-setting.
Reductions stemmed from decreased fishing effort, and wider and more effective use of mitigation measures,notably in demersal longline fisheries.
Nineteen additional midwater trawls and 23 demersal trawls were carried out at randomly selected locations as part of the core biodiversity survey.
In contrast to the situation for mesopelagic fish,survey estimates of abundance are available for demersal fish in some CCAMLR statistical areas see Table 5.
The bootstrap estimated the median demersal biomass at 91 531 tonnes, with a one-sided lower 95% confidence interval of 47 424 tonnes.
Namibian longline fisheries were estimated to kill approximately 0.07 birds/thousand hooks in the pelagic longline fishery and0.3 birds/thousand hooks in the demersal longline fishery.
In addition, demersal longliners must not discharge on setting, and must only discharge on the opposite side of the vessel to the hauling location.
The report highlighted high levels of Cape petrel warp captures in the demersal trawl fishery which were traced to the warp manufacturer using bitumen-based warp grease.
Demersal fish can be divided into two main types: strictly benthic fish which can rest on the sea floor, and benthopelagic fish which can float in the water column just above the sea floor.
The bootstrap procedure estimated the median demersal biomass at 106 548 tonnes, with a one-sided lower 95% confidence interval of 49 640 tonnes.
In light of the level of uncertaintyregarding the ecology and status of these species, the Working Group recommended precaution in setting the target level for demersal fish habitat protection.
A consequence of these energy delivery mechanisms is that the abundance of demersal fish and invertebrates gradually decrease as the distance from continental shorelines increases.
Ramm(New Zealand) outlined video monitoring trials that are being carried out by the Department of Conservation in New Zealand to monitor a selection of inshore demersal longline fisheries.
Including hydrographic operations, acoustics research,pelagic and demersal trawling, plankton, water, environmental and geographical sampling, oil recovery and emergency towing operations.