Tag: "fisheries" at biology news

Dust from Africa leads to large toxic algae blooms in Gulf of Mexico, study finds

... a red tide is coming, you could close beaches and fisheries ahead of time," Lenes said....

Electronic tags reveal transatlantic migrations and breeding grounds of Atlantic bluefin tuna

...on since the 2001 catch quota for Western Atlantic fisheries (2,500 metric tons or 5.5 million pounds) is one-twelfth the quota for the Eastern Atlantic fisheries (29,500 metric tons or 65 million pounds). Current management of the fishery by ICCAT assumes that c...

PNNL captures picture of fish passage with acoustic camera

...tand fish movement near hydropower dams. Recently, fisheries biologists at the Department of Energy's Pacific N...their understanding of fish behavior. In its first fisheries application, the camera provided PNNL researchers with some of the best images yet taken of juvenile...

Cover story in Science reveals historical overkill of marine Megafauna triggered current ocean crises

...e ecosystems are too low because they are based on fisheries data that long postdate the decimation of fisherie...once vast populations." The scientists state that fisheries regulators and marine managers need to move beyond their fixation on quotas and boundaries and devis...

Scientistis say 'business-as-usual' is not an option with global change

...in the atmosphere; About 22% of recognized marine fisheries are overexploited or already depleted, and 44% more are at their limit of exploitation; It is not a matter of deciding which is the most important issue. All these changes interact with cumulative and follow-on effects. "Global Change is real and is ...

Using hard science to protect fragile seas

...oduce. Such protection would not only restore both fisheries but also have the added benefits of naturally impr...ining state of the oceans and the collapse of many fisheries have created a critical need for new and more effective management of marine biodiversity,`` wrote M...

Analysis of impact studies reveals how bottom fishing affects seafloor denizens

...l scientists, including University of Rhode Island fisheries oceanographer Jeremy S. Collie, analyzed data from a number of separate fishing impact studies and have come to some surprising conclusions. The results of Collies meta-analysis, which is the summary of multiple, independent studies to detect gene...

Officials delay trade restrictions on Caspian Sea caviar

...t and enforcement of depleted Caspian Sea sturgeon fisheries and places a temporary suspension on sturgeon catches through the end of 2001. However, CITES rejected the recommendations of scientists and conservation organizations to impose significant long-term reductions in caviar exports that are needed to h...

NOAA fisheries, Connecticut, New York Sea Grant Programs announce research grants: $3.5 million in sound research to address lobster die-offs

...the several puzzling aspects of the recent lobster fisheries disaster in Long Island Sound," Edward C. Monahan, Director of Connecticut Sea Grant said. "But, it is one our program, working in conjunction with these other agencies, has succeeded in carrying out. We are pleased to have the resources necessary to...

Montana State University begins major trout and salmonid book collection

...ecently claimed owing to an historic curriculum in fisheries science, proximity to several blue-ribbon trout streams, and a longstanding physical education course in fly fishing. Added to those factors is a recent scientific assault on whirling disease by MSU scientists as well as recognition from Sports Afiel...

Lake tributaries in Yellowstone National Park allow unique study of whirling disease

...llowstone Lake in Yellowstone National Park remind fisheries biologist Beth MacConnell of the three bears: Some...ne study will be conducted by Todd Koel, the parks fisheries and aquatic sciences chief. The Yellowstone study and 12 others in eight western states are the ...

Studies: Floyd, other major hurricanes of '99 caused significant changes in nation's largest lagoonal estuary

...nutrients and sediments into this key Mid-Atlantic fisheries nursery, sickening and killing countless thousands of fish and shellfish and greatly diluting the shallow waterway's natural saltiness. The studies, published as a single paper in the May 8 issue of the Proceedings of the National Academy of Sciences...

Scientists at The Scripps Research Institute develop a new 'kit' to screen mercury in fish

..., which works with state regulators and commercial fisheries to monitor methylmercury levels, also has issued a warning in recent months. The agency has recommended a mercury limit of no more than 1 part per million for human consumption. Janda's method uses a solution that changes color if there is even half...

Nature reserves aren't protecting pandas, study shows

...tion, says Jianguo Liu, an associate professor of fisheries and wildlife at MSU. "Some people may think about human destruction intuitively," Liu said. "Our research integrates humans into the equation because human destruction is the most critical factor in the fate of the pandas. If biodiversity cann...

Social scientists and biologists collaborate to address human dimensions of biodiversity

...will impact human psychology and economies such as fisheries and agriculture. The panel on Human Dimensions of Biodiversity is dedicated to the International Biodiversity Observation Year (IBOY) 2001 - 2002, a year in which scientists are joining forces to increase communication of important new information on...

The role of science in restoring California's water resources

...nd federal officials are working with wildlife and fisheries biologists, hydrologists, soil chemists and other environmental scientists to determine the best way to revive the fragile ecosystem. But that`s not always the case. ``Unfortunately, when it comes to California water policy, a lot of de...

Scientific theory of marine reserves to be released

...ining state of the oceans and the collapse of many fisheries creates a critical need for new and more effective management of marine biodiversity, populations of exploited species and overall health of the oceans, said Jane Lubchenco, co-chair of the NCEAS group, past president of AAAS and chair of the Departm...

Maximized design of marine reserves

...g that well-designed marine reserves conserve both fisheries and biodiversity, and they are urgently needed to ... recent mathematical modeling studies showing that fisheries management using reserves could yield as much as management by conventional means. He will also disc...

Campaign to protect critically endangered beluga sturgeon

...rade, biological vulnerability, lack of effective fisheries management, and habitat degradation.The global caviar market has placed a premium on sturgeon, prompting overfishing and illegal poaching around the world. Moreover, sturgeon are a slow-growing species, so it is easy to quickly overfish a populati...

Wild salmon vulnerable to climate change, Science study reports

...lding, and other human activities. "Traditionally, fisheries managers assumed the environment was constant when they calculated the maximum number of salmon that fishermen could harvest. But our study suggests a need for new, flexible management policies that take climate and lake nutrient levels into account,...

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