News tagged with fish stocks
In cod we trust: DNA test combats fisheries fraud
Scientists on Tuesday said they had devised a DNA test to pinpoint the geographical origins of commercial seafish, in a breakthrough against illegal trawling that threatens fish stocks worldwide.
May 22, 2012 |
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Closing recreational fishing areas for shorter times could benefit fish and fishermen
(PhysOrg.com) -- A new model that analyzes the complex factors involved in recreational fishing has shown that modeling can lead to some unforeseen results. Among the model’s surprising conclusions is ...
May 26, 2011 |
4.3 / 5 (3) |
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Geologists show unprecedented warming in Lake Tanganyika
Lake Tanganyika, the second oldest and the second-deepest lake in the world, could be in for some rough waters.
Space & Earth / Earth Sciences
May 16, 2010 |
4.1 / 5 (26) |
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Fishing fleet working 17 times harder than in 1880s to make same catch
The UK trawl fishing fleet has to work 17 times harder to catch the same amount of fish today as it did when most of its boats were powered by sail, according to new research.
May 04, 2010 |
4.2 / 5 (11) |
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Oceans in distress foreshadow mass extinction
Pollution and global warming are pushing the world's oceans to the brink of a mass extinction of marine life unseen for tens of millions of years, a consortium of scientists warned Monday.
Jun 20, 2011 |
4.3 / 5 (20) |
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Gene-flaw, virus could be killing Pacific salmon
Massive die-offs among Canada's wild sockeye salmon could be due to a genetic flaw that causes immune weakness and could make viruses lethal, researchers said Thursday.
Jan 13, 2011 |
2.8 / 5 (5) |
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Ocean acidification may directly harm fish: study
(PhysOrg.com) -- Fossil fuel combustion, and with it the release of heat-trapping carbon dioxide (CO2), is still growing globally. Beyond climate change, this is also causing the world’s “other ...
Dec 13, 2011 |
5 / 5 (5) |
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Double jeopardy: Tuna and billfish
A new study by top global fisheries experts presents an alarming assessment of several economically important fish populations. The analysis of 61 species of "scombrids," which include tunas, bonitos, mackerels ...
Jul 25, 2011 |
5 / 5 (3) |
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Climate 'Tipping Points' May Arrive Without Warning, Says Top Forecaster
(PhysOrg.com) -- A new University of California, Davis, study by a top ecological forecaster says it is harder than experts thought to predict when sudden shifts in Earth's natural systems will occur -- a ...
Feb 09, 2010 |
3.6 / 5 (35) |
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Action needed to keep fish on the menu in 2050
The latest study suggests we may still be able to eat as much fish as we do today 40 years from now. But for that to happen, we'll have to change our ways, say scientists.
Apr 23, 2012 |
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2
Scientists call for Arctic fishing moratorium, rules
Scientists on Monday urged Arctic rim nations to set fishing regulations for the Arctic Ocean, and order a moratorium on fishing until stocks are assessed, before trawlers soon start dropping nets in the pristine ...
Apr 23, 2012 |
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New integrated building model may improve fish farming operations
Today's "locavore" movement with its emphasis on eating more locally-produced food is a natural fit for fruits and vegetables in nearly every region, but few entrepreneurs have dared to apply the concept to ...
Feb 09, 2012 |
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World Bank proposes global coalition to save oceans
The World Bank was on Friday to propose a coalition of governments, global organisations and other groups to protect the oceans, aiming to raise $1.5 billion in the next five years for the purpose.
Feb 24, 2012 |
5 / 5 (1) |
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Scientists find community involvement, not only enforcement, drives success of marine reserves
In one of the most comprehensive global studies of marine reserves, a team of natural and social scientists from the University of Rhode Island and other institutions has found that community involvement is among the most ...
Mar 01, 2010 |
5 / 5 (1) |
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Study shows drifting fish larvae allow marine reserves to rebuild fisheries
Marine ecologists at Oregon State University have shown for the first time that tiny fish larvae can drift with ocean currents and "re-seed" fish stocks significant distances away – more than 100 miles ...
Dec 22, 2010 |
4.2 / 5 (5) |
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Fish stock
Fish stocks are subpopulations of a particular species of fish, for which intrinsic parameters (growth, recruitment, mortality and fishing mortality) are the only significant factors in determining population dynamics, while extrinsic factors (immigration and emigration) are considered to be insignificant.
For more information about Fish stock, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
