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Normal fishing gear has destructive effects on corals around the world through direct physical damage to the reef structure and substratum. Gill nets, fish traps, and anchors break branching coral and cause coral death through entanglement.
Destructive fishing reduced the stocks indirectly by damaging their coral habitat. With declining fish stocks, the fishermen were more and more compelled to use destructive fishing methods to catch enough fish, further degrading habitat and reducing fish stocks.
Destructive fishing techniques refer to any type of fishing technique that destroys fish habitat and degrade the ecosystem, which may include environmentally unfriendly fishing gear, banned...
Overfishing practices, destructive fishing methods, and pollution contribute to declining fish stocks and damage fragile marine ecosystems. This not only threatens biodiversity but also jeopardizes the livelihoods of those dependent on fishing for their income.
Demersal trawling is recognised as one of the most destructive fishing methods in the world (see for example Nelleman, et al., 2008, Anon., 2004). Both the SE and SWFRAs have identified high risks to benthic habitat from demersal trawl gear.
Usage of destructive fishing methods like Scuba diving gear were banned in North, and expressed as a major problem (Rank 2) faced by the Pesalai fishers.
The UN system also has a key role to play in combating destructive fishing practices, which damage fragile habitats, in particular seamounts and cold-water corals.
A CMA has been established and has started to self-regulate fisheries in their territorial waters; destructive fishing methods have been limited; and coastal communities are active participants of surveillance by providing intelligence on IUU fishing.
IUU fishing is detrimental to Vietnam’s small-scale fishers as well as the health of marine environments for reasons such as destructive fishing methods (e.g. trawling) and overfishing that destroy or deplete fish stocks and other coastal marine resources (e.g. coral reefs).
First, Visayan migrants from the central Philippines brought destructive fishing gear and introduced aquarium fish collection using poison (sodium cyanide) in the 1970s. Second, use of destructive fishing techniques (blast fishing, use of poison and fine mesh nets) became common in the 1980s.