This would give them an incentive to avoid overfishing (something like this has worked well in New Zealand).
More recently in Hawaii, overfishing of stocks like ahi and mahi-mahi -- as well as a depletion of sea turtle populations, another predator of the jellyfish -- is partly responsible for the jellyfish boom there, said Dr. Angel Yanagihara, who heads a jellyfish research laboratory at the University of Hawaii.
In addition to climate change, Dr. Davis said, problems like overfishing and oil spills threatened these flightless birds.
More than a decade ago our work in the Mesoamerican Reef focused on marine protected areas, like overfishing, urban sewage and tourism – as these were seen as the key threats to the reef.
For his team, that means more time to understand how global changes like overfishing and climate change affect the health of coral reefs.
"Researchers found that where sharks were removed by overfishing, smaller predators like snapper became more abundant.
Coral reefs are already in decline around the world from localized environmental changes like overfishing and coastal pollution.
The reversal comes after it told fish-eaters in January that mackerel should only be consumed rarely, like monkfish and plaice, due to overfishing in the north-east Atlantic.
Decades of overfishing in New England and the Southeast have rendered once plentiful species like Atlantic halibut and goliath grouper commercially extinct.
Still, as with other aquaculture operations, about 30 percent of Local Ocean's feed is from ocean species like menhaden and anchovies, which critics of aquaculture say are threatened with overfishing for feed.
So far, humans have pushed species toward extinctions through means like hunting, overfishing and deforestation.
