News tagged with fishery management

Evidence of overfishing on Great Barrier Reef

(Phys.org) —Sea cucumber fishing in the Great Barrier Reef Marine Park shows worrying signs of being unsustainable. Many species being targeted are endangered and vulnerable to extinction, as determined ...

Oct 15, 2013
3.8 / 5 (5) 2

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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Early warning signs of population collapse

Many factors—including climate change, overfishing or loss of food supply—can push a wild animal population to the brink of collapse. Ecologists have long sought ways to measure the risk of such a collapse, ...

Apr 10, 2013
3.8 / 5 (6) 0 | with audio podcast

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
5 / 5 (2) 0 | with audio podcast

Wiring the ocean

For most people, the sea is a deep, dark mystery. That is changing, though, as scientists find innovative ways to track the movements of ocean-going creatures.

Feb 18, 2013
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Fisheries nations set to discuss bluefin tuna

(AP)—After defeating a proposal in 2010 to ban the export of an endangered fish that is a key ingredient of sushi, Japan and Asian nations argued it should be left to quota-setting international fisheries ...

Nov 10, 2012
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