Sentences with word «bycatch»

Bycatch refers to the unintentional capture or entanglement of non-target species while fishing for a particular species. It often involves catching marine animals like turtles, dolphins, seabirds, or other fish species that were not intended to be caught. Bycatch can harm these unintended species and cause negative impacts on the marine ecosystem. Full definition
Sea turtles are under enormous threat as they're caught as bycatch in fisheries, and lose their habitats to overfishing, pollution, and other human encroachment — including poaching and rampant sea turtle egg collection.
It has one of the highest rates of bycatch of non-target species in the European fleet, with up to half of what is caught being discarded.
«The Eliminator,» a fishing net, was a winner in 2007, designed to reduce bycatch of cod in the haddock fishery.
Threats to the species include incidental capture as bycatch in fishing nets, which in some parts of the range has turned into direct hunts for either human consumption or shark bait.
Other than hunting, marine mammals can be killed as bycatch from fisheries, where they become entangled in fixed netting and drown or starve.
But it's clear that if you reach sexual maturity above 100 years then you are potentially sensitive to any kind of high bycatch rate and any kind of future commercial exploitations.»
«Global problem of fisheries bycatch needs global solutions.»
While the effects of human activity on the seal population can be detrimental — for example through a high rate of fishing bycatch mortality as observed on Lake Saimaa — a novel conservation method can help the seal population to cope with climate change.
According to the researchers, the good news is really that the efforts of fisheries over the past two decades to follow new bycatch reduction measures have made a significant dent.
Deep - sea trawling can include bycatch and harm coral, so some activists want it banned.
For example, the use of spatial zoning to reduce the overlap of fisheries, oil rigs and shipping lanes with areas of the ocean used by penguins; the use of appropriate fishing methods to reduce the accidental bycatch of penguins and other species; and, the use of ecologically based fisheries harvesting rules to limit the allowable catches taken by fishermen, particularly where they target species that are also food for penguins.»
Conservation efforts should be focused on the most acute factors affecting the seal's survival, such as minimizing bycatch mortality and disturbance during the breeding season.
Some of the concern relates to what fishermen call bycatch, which in 1994 meant 27 million metric tons of young fish and unwanted species that get thrown back dead each year.
It is also important to note that harvesting can be sustainable under a target - species - focused goal and still have adverse effects on nontarget biodiversity, which would need to be compensated under another part of the overall framework (e.g., to address the negative impact of leatherback turtle bycatch from long - line fishing; table 3).
The key would be to develop uses for bycatch species so the harvest would not go to waste.
Ms Riskas said the findings show a need for bycatch records to be pooled across fisheries and states, as well as over time, to better measure the effect on turtles.
BLOOM advocates catching flatfish with gillnets, stationary curtains of netting that have a much lower bycatch rate than either kind of trawling and do less damage to the sea floor.
The MSC standard ensures that wild - caught fish were harvested in a manner that prevents overfishing, minimizes bycatch, maintains ecosystem health and supports inclusive governance processes.
«This concept still supports avoiding bycatch of vulnerable or protected species,» Zhou says.
She said a possible solution would be a central database for reporting and collecting bycatch data, which would allow the identification of areas of concern.
«Some of the earliest bycatch issues involved marine mammals taken in tuna nets and shrimp trawls that drowned sea turtles,» Crowder said.
In the Galápagos Islands, leatherbacks go through a very specific migration corridor from February to April, so a timely closure in that area could reduce bycatch by 100 percent.
Fishing boat observers only witness a fraction of the actual bird bycatch that occurs in the fisheries of the North Pacific, so the documented death of even a single bird is cause for concern,» said Dr. Jessica Hardesty Norris, Director of American Bird Conservancy's Seabird Program.
For this deceptively difficult dish, he mostly uses bycatch (as he calls it, «the fish no one wants») from one of three local fishermen.
To derive the death toll worldwide, Read and his team calculated the ratio of cetacean bycatch to total U.S. fish catches and applied it to global catches.
To avoid local extirpation of these marine mammals (which are listed nationally as a «Matter of National Environmental Significance»), an experimental approach was used to evaluate two management approaches to mitigate bycatch: pingers (acoustic alarms) and passive acoustic monitoring.
Numerous strategies exist to prevent bycatch, but data have been lacking on the global scale of this issue.
Pew is pleased that the National Marine Fisheries Service (NMFS) has recognized the major bycatch problem with bluefin tuna in the Gulf of Mexico, the fish's only known spawning area in the western Atlantic Ocean.
They had duck - like bills, suggesting that they fed on aquatic plants, and so perhaps crabs were an inadvertent bycatch.
However, a new report shows that this represents a 90 % reduction of sea turtles as bycatch since 1990.
Sukle (best known for his fine - dining restaurant, Birch) uses local bycatch such as mackerel, black bass, or the adorably named scup, sourced from one of his three fishermen.
N.O.A.A. recognizes that there are two hotspots for bluefin tuna bycatch.
This beautiful new species was discovered as a lucky bycatch during targeted specimen catching at 157 - 167 m depth off Curaçao as a part of the Smithsonian Institution «sDeep Reef Observation Project (DROP).
The number of sleeper sharks killed in Alaska as bycatch ranges from 3,000 to 15,000 annually, indicating there are large numbers of the shark out there.
A James Cook University study has called for a change in the way we manage bycatch — to better monitor the unintentional catching of sea turtles by commercial fishers.
«But these fisheries are also disproportionately important socioeconomically for coastal communities worldwide, so bycatch reduction has to be balanced with the livelihoods of fishermen.»
Bailey credits a recent decision to close a swordfish and thresher shark fishery in California from mid-August to mid-November each year with dramatically reducing leatherback bycatches.
The solution proposed in this paper, in which bycatch species would be protected inside a marine reserve's boundaries, could overcome this problem.
Topic 1.4: Limiting fishing technology to reduce and eliminate bycatch and ending use of large - scale destructive fishing gear
«Bycatch in small - scale fisheries is rarely monitored or regulated, but can have disproportionately large impacts on turtles and other bycatch species,» Wallace added.
The Bight's baby white sharks declined for a number of reasons, Lowe says: poor water quality, their decimation as gillnetting bycatch, and the near - extirpation of the prey that adult sharks rely on.
Their practices are safe for the dolphin population and have minimal bycatch.
Sukle's menu at Oberlin often features bycatch (as he calls it, «the fish no one wants») from one of three local fishermen.
What to Order: Grilled lamb belly taco (or any taco of the day); bycatch ceviche with peppers, crema, and potato chips; field pea salad with hummus
We work to make longline fishing safe for marine wildlife, saving seabirds and potentially turtles from becoming bycatch in tuna fisheries.
BLOOM argues that the research and bycatch licenses are illegal and a guise for commercial fishing, and that pulse trawling puts small - scale fishing at an even bigger disadvantage than conventional trawling does.
Blackburn calls these discoveries the «natural history bycatch,» serendipitous glimpses into animal lifestyles.
Ms Riskas said the existing approach to managing turtle bycatch does not go far enough to protect turtles.
But most fisheries management agencies will monitor bycatch within a single fishery or a single year, without adding records together to determine how many turtles are being caught in total,» she said.
Cumulative Impacts.This figure illustrates the cumulative impacts of megafauna bycatch by region.
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