News tagged with american fisheries
Did the North Atlantic fisheries collapse due to fisheries-induced evolution?
May 27, 2009 |
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The Atlantic cod has, for many centuries, sustained major fisheries on both sides of the Atlantic. However, the North American fisheries have now largely collapsed. A new paper in the open-access, peer-reviewed journal PLoS ON ...
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New study finds catch shares improve consistency, not health, of fisheries
Dec 22, 2009 |
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Catch share programs result in more consistent and predictable fisheries but do not necessarily improve ecological conditions, according to a new study published online this week by the journal Proceedings of the National ...
Scientists Find new migratory patterns for Mediterranean and Western Atlantic bluefin tuna
Oct 02, 2008 |
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New research into the life cycle of Atlantic bluefin tuna shows, for the first time, that Mediterranean and North American bluefin mix substantially as juveniles, but return to their place of birth to spawn. These new research ...
Changing the course of nature: Are fisheries directing the evolution of fish populations?
Sep 10, 2009 |
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For many of the types of fish we buy in stores or order in restaurants, the chance that an individual dies from fishing is several times higher than dying of natural causes. This may seem obvious to most (they had to get ...
US Atlantic cod population to drop by half by 2050
Feb 12, 2009 |
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A University of British Columbia researcher put a number to the impact of climate change on world fisheries at today's Annual Meeting of the American Association for the Advancement of Science (AAAS) in Chicago.
Marine aquaculture could feed growing world population
Dec 01, 2009 |
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The oceans could become the source of more of humanity's food if steps are taken to expand and improve marine aquaculture, according to a study published in the December 2009 issue of BioScience.
Ocean's fiercest predators now vulnerable to extinction
Biology /
Feb 17, 2008 |
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The numbers of many large shark species have declined by more than half due to increased demand for shark fins and meat, recreational shark fisheries, as well as tuna and swordfish fisheries, where millions of sharks are ...
A closer look at the Hudson Canyon shows why the canyon is critical for fish
Space & Earth / Earth Sciences
Dec 01, 2009 |
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A series of newly discovered pits in the bottom of the Hudson Canyon, 100 miles southeast of New York Harbor, may be a key ingredient for the abundant and diverse marine ecosystem in and around the canyon, according to research ...
UAF chooses shipyard to build Alaska Region Research Vessel
Space & Earth / Earth Sciences
Dec 09, 2009 |
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More than three decades ago, marine scientists in the United States first identified the need for a research vessel capable of bringing scientists to Alaska's icy northern waters.
Silent streams? Escalating endangerment for North American freshwater fish
Sep 09, 2008 |
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Nearly 40 percent of fish species in North American streams, rivers and lakes are now in jeopardy, according to the most detailed evaluation of the conservation status of freshwater fishes in the last 20 years.
Archaeology at Smuttynose reveals fate of fisheries
Other Sciences / Archaeology & Fossils
Sep 19, 2008 |
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(PhysOrg.com) -- The name Smuttynose Island may recall the infamous 1873 ax murders or even Smuttynose Craft Beer, made in Portsmouth, N.H. But the island, one of the Isles of Shoals six miles off the Maine ...
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