News tagged with fisheries

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Revised population figures still spell doom for tuna

(PhysOrg.com) -- An international team of marine scientists, including three at Simon Fraser University, hope their latest findings about the perilous state of the world’s tuna populations do not dampen efforts to conserve ...

Dec 06, 2011
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30% of fish stocks overexploited: UN agency

Almost 30 percent of fish stocks monitored by the UN's food agency are overexploited, undermining the crucial role sustainable fisheries play in providing food and jobs for millions, a report said Monday.

Jul 09, 2012
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Small fish, big opportunity

Sometimes the environmental challenges facing our oceans seem so large that it's hard to know where to start solving them. Changes in climate, degradation of habitat and rising demand to feed an ever-growing world population ...

Oct 25, 2012
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Environmental change triggers rapid evolution

A University of Leeds-led study, published in the journal Ecology Letters, overturns the common assumption that evolution only occurs gradually over hundreds or thousands of years.

Apr 09, 2013
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Why we need to put the fish back into fisheries

Overfishing has reduced fish populations and biodiversity across much of the world's oceans. In response, fisheries are increasingly reliant on a handful of highly valuable shellfish. However, new research by the University ...

May 20, 2013
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It's all in the genes—including the tracking device

Parentage-based tagging (PBT) is an emerging genetic-based fish tagging method that involves genotyping hatchery broodstock. PBT is a passive non-invasive approach to stock identification because the parents, not the offspring, ...

Jun 24, 2013
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