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Tag: "fishing" at biology news

Palau's coral reefs show differential habitat recovery following the 1998 bleaching event

...pollution, sedimentation, and use changes ?such as fishing pressures ?are all controllable factors," says van Woesik. "They’re added to global effects of greenhouse gas emissions that affect climate change. The take-home message is that we can accelerate the recovery rate of coral reefs by adapting human beh...

Study warns deep-sea mining may pose serious threat to fragile marine ecosystems

... waters that support Papua New Guinea’s commercial fishing industry, as well as local subsistence fishers. Depending on ocean currents, these nutrients could drift widely, disrupting the food chain and potentially damaging ecosystems that lie within other countries?economic zones or in international waters. ...

DNA analysis suggests under-reported kills of threatened whales

... hunt minke whales in South Korea, those caught in fishing nets can be killed and sold as "bycatch" if officially reported. Economic incentives make such pursuits attractive, said Baker, who pointed out that individual whales are thought to fetch as much as $100,000. "The obvious question becomes how much...

Rare soft-shell turtle, nesting ground found in Cambodia

...rvey, they worked closely with WWF staff and local fishing communities and explained the rarity of the turtle...t patrols during the dry season to prevent illegal fishing of the species prized as an expensive delicacy in neighboring Vietnam. The organizations will also p...

Cornell lab confirms deadly fish virus spreading to new species

... anglers using infected bait minnows, contaminated fishing equipment or live water wells in boats, boating activities and ballast water. "Basically, we don’t know how it got here, but it is here and it’s spreading," said Bowser. "It would be wonderful if we did know. However, I don’t think we ever will." ...

New report: Explosive growth changes salmon industry

...ic and social effects on wild salmon fishermen and fishing communities. "Wild salmon could never supply the market demand being met by farmed salmon. A fundamental point of the report is that the debate should not be about wild versus farmed, but whether each method of production is being done right," s...

Tracking sperm whales and jumbo squid

...umbo squid also were abundant, with numerous small fishing boats hauling in a total catch of about 10,000 squ...ree squid had to have moved from the Santa Rosalia fishing grounds right through the area where the whales were patrolling," he said. As for diving behavior...

Massive coral death attributed to earthquake

...e common reef threats in Indonesia such as cyanide fishing or bleaching. People monitoring Indonesian corals ...ulau Banyak, continue to be damaged by destructive fishing including bombing and the use of cyanide. These practices are now illegal in Indonesia, and need imm...

Are we killing the world's oceans?

...sts, and a vocal and influential critic of current fishing practices. All sessions will be open to the news media and interviews with speakers and panelists can be arranged closer to the event. WHAT: "Are We Killing the World's Oceans?" University of Victoria–Royal Society Forum WHEN: February 21...

Saving endangered whales at no cost

By comparing the productivity of lobster fishing operations in American and Canadian waters of the ...dentified ways in which cost-saving alterations in fishing strategies can substantially reduce fishing-gear entanglements of the critically endangered North At...

Long-lived deep-sea fishes imperiled by technology, overfishing

...m protection ?the deep ocean ?is now accessible to fishing because of new technologies." Among the most recognized deep-sea species at-risk are orange roughy and Patagonian toothfish, better known as Chilean sea bass. In the deep ocean off the Pacific Northwest, sablefish ?also known as black cod ?are ano...

Twenty of world's 162 grouper species threatened with extinction

...es as another reminder of the need for sustainable fishing and consumption of important fish species. The thr...er in life, making them particularly vulnerable to fishing before they mature. In addition, commercial fishing that targets reproductive gatherings of adults f...

Fish growth changes enhanced by climate change

... widely subject to two major stressors ?commercial fishing and climate change. Heavy exploitation increases the sensitivity of species to environmental effects and could be magnifying the effects of long-term climate change and short-term climate variability on the viability of some species. He said corre...

US conservation efforts bring more marine turtles to UK

...ded the introduction of turtle excluder devices in fishing nets and hatcheries to protect eggs. Matthew Witt concludes: ‘The increase of turtles in the sea around the UK could be indicative of a global trend. We need more research to verify this, but the results from this study are very encouraging.? ...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

...otection of great sharks by substantially reducing fishing pressure on all of these species and enforcing bans on shark finning both in national waters and on the high seas." "Maintaining the populations of top predators is critical for sustaining healthy oceanic ecosystems," says Peterson. "Despite the...

Ongoing collapse of coral reef shark populations

...apid decline, and that “no-take zones”—reefs where fishing is prohibited—do protect sharks, but only when com...been no studies of the response of these sharks to fishing pressure. The new work focused on Australia’s Great Barrier Reef, which is widely considered to ...

Hopkins researchers discover how brain protein might control memory

...sing Arc protein as bait, they went on a molecular fishing expedition in a pond filled with other proteins no...nes. The two proteins that came out of the Arc fishing expedition - known as dynamin and endophilin - previously were known to be critical for this swallow...

Small, smaller, smallest -- The plight of the vaquita

...ng gun?in this instance is accidental mortality in fishing gear, something popularly known as “bycatch? La...te of bycatch refers to only one of the three main fishing ports: 39 vaquitas/yr (95% CI: 14, 93). Current population size could well be around 400 animals. I...

Extraordinary life found around deep-sea gas seeps

...s. At all of the seep sites, there was evidence of fishing damage in the form of trawl marks, lost fishing gear, and extensive areas of deep-sea coral rubble. ...

Commercial fishing causes dangerous fluctuations in fish populations

Commercial fishing causes serious fluctuations in fish populations le... stocks was most likely to be caused by the effect fishing has on the age structure of a population. Heavily-fished populations are unlikely to contain any fis...

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