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Commercial fisheries include wild fisheries and fish farms, both in freshwater waterbodies (about 10% of all catch) and the oceans (about 90%). About 500 million people worldwide are economically dependent on fisheries. 171 million tonnes of fish were produced in 2016, but overfishing is an increasing problem, causing declines in some populations.
Upwelling occurs off Peru year-round and off Chile during the spring and summer. Approximately 18-20% of the world's fish catch comes from the Humboldt Current LME. The species are mostly pelagic: sardines, anchovies and jack mackerel. The LME's high primary and secondary productivity supports other important fishery resources as well as marine ...
the term "fish" can refer to more than one fish, particularly when the fish are from the same species; the term "fishes" refers to more than one species of fish; Fishing – the activity of trying to catch fish; Fisherman or fisher – someone who captures fish and other animals from a body of water, or gathers shellfish.
Bycatch – The term “bycatch” is usually used for fish caught unintentionally in a fishery while intending to catch other fish. Discards – portion of a catch of fish which is not retained on board during commercial fishing operations and is returned, often dead or dying, to the sea. Incidental catch – Incidental catch is a term, used ...
Fishing is the activity of trying to catch fish.Fish are often caught as wildlife from the natural environment (freshwater or marine), but may also be caught from stocked bodies of water such as ponds, canals, park wetlands and reservoirs.
Target catch: The catch of a species or species assemblage which is primarily sought in a fishery, such as shrimp, flounders, cods; Incidental catch: Retained catch of non-targeted species; Discarded catch (usually shortened to discards): That portion of the catch returned to the sea as a result of economic, legal, or personal considerations.
Since 1998, the catch has steadily increased from about 40 t to over 1350 t in 2002 (all of these catches are well within the CCAMLR limits). Because it is a high latitude fishery, Antarctic toothfish has formed over 95% of the catch. Up to three New Zealand vessels have been involved in the fishery in any year.
Managing fisheries is about managing people and businesses, and not about managing fish. Fisheries are managed by regulating the actions of people. [22] If fisheries management is to be successful, then associated human factors, such as the reactions of anglers and harvesters, are of key importance, and need to be understood. [23] [24]