bottom-set longline
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set longline — a main line, sometimes of considerable length, to which snoods with baited or unbaited hooks are fixed at regular intervals. The main line is set either horizontally on or near the bottom or less commonly near the surface … Dictionary of ichthyology
Longline fishing — For other meanings of longline , see longline. Longline fishing is a commercial fishing technique that uses hundreds or even thousands of baited hooks hanging from a single line. Swordfish, tuna, halibut, sablefish and many other species are… … Wikipedia
drifting longline — a longline kept near the surface or at a certain depth by means of regularly spaced floats. Drifting longlines may be of considerable length, and the snoods are usually longer and more widely spaced than for the bottom longlines. Some drifting… … Dictionary of ichthyology
Cetacean bycatch — Group of Fraser s dolphins. Cetacean bycatch is the incidental capture of non target cetacean species by fisheries.[1] Species which are seriously affected by this include dolphins, porpoises, and … Wikipedia
Gillnet — in particular have an extremely low incidence of catching non target species.externalimage align=right width=160px http://www.afma.gov.au/information/students/methods/b s gillnet.htm A bottom set gillnet] Gillnet , the name of the net employed,… … Wikipedia
commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… … Universalium
Mammals and Birds Excluder Device — For the electronic device, see Mbed microcontroller. A Mammals and Birds Excluder Device or MBED (also named Cachalotera) is a fishing gear device that avoids the depredation of the fish caught in the line for Marine Mammals, and avoids the… … Wikipedia
Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… … Universalium
environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… … Universalium
Maritime history of California — History of California This article is part of a series Timeline … Wikipedia
