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- Discards abstract "Discards are the 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. The practice of discarding is driven by economic and political factors; fish which are discarded are often unmarketable species, individuals which are below minimum landing sizes and catches of species which fishermen are not allowed to land, for instance due to quota restrictions. Discards form part of the bycatch of a fishing operation, although bycatch includes marketable species caught unintentionally. Discarding can be highly variable in time and space as a consequence of changing economic, sociological, environmental and biological factors.Discarding patterns are influenced by catch compositions, which in turn are determined by environmental factors, such as recruitment of small fish into the fishery, and social factors, such as quota regulation, choice of fishing gear and fishermen's behaviour. There have been numerous studies on the scale of discarding. In the North Sea the total annual quantity of discards has been estimated at 800,000–950,000 tonnes, or the equivalent of one-third of the total weight landed annually and one-tenth of the estimated total biomass of fish in the North Sea.".
- Discards thumbnail Fish_sorting.JPG?width=300.
- Discards wikiPageExternalLink LDM_BRI(2013)130436_REV1_EN.pdf.
- Discards wikiPageExternalLink y5936e00.HTM.
- Discards wikiPageID "14673202".
- Discards wikiPageRevisionID "594896911".
- Discards hasPhotoCollection Discards.
- Discards subject Category:Environmental_issues_with_fishing.
- Discards type Abstraction100002137.
- Discards type Cognition100023271.
- Discards type Content105809192.
- Discards type EnvironmentalIssuesWithFishing.
- Discards type Issue105814650.
- Discards type PsychologicalFeature100023100.
- Discards comment "Discards are the 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. The practice of discarding is driven by economic and political factors; fish which are discarded are often unmarketable species, individuals which are below minimum landing sizes and catches of species which fishermen are not allowed to land, for instance due to quota restrictions.".
- Discards label "Beifang".
- Discards label "Discards".
- Discards sameAs Beifang.
- Discards sameAs m.03gsl_g.
- Discards sameAs Q814684.
- Discards sameAs Q814684.
- Discards sameAs Discards.
- Discards wasDerivedFrom Discards?oldid=594896911.
- Discards depiction Fish_sorting.JPG.
- Discards isPrimaryTopicOf Discards.
