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Ocean acidification affects predator-prey response
June 29, 2016 05:25 PM - University of California - Davis via EurekAlert!

Ocean acidification makes it harder for sea snails to escape from their sea star predators, according to a study from the University of California, Davis.

The findings, published in the journal Proceedings of The Royal Society B, suggest that by disturbing predator-prey interactions, ocean acidification could spur cascading consequences for food web systems in shoreline ecosystems.

For instance, black turban snails graze on algae. If more snails are eaten by predators, algae densities could increase.

"Ocean acidification can affect individual marine organisms along the Pacific coast, by changing the chemistry of the seawater," said lead author Brittany Jellison, a Ph.D. student studying marine ecology at the UC Davis Bodega Marine Laboratory.

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NOAA, USGS, partners predict an average 'dead zone' for Gulf of Mexico
June 10, 2016 10:53 AM - NOAA Headquarters

Scientists forecast that this year's Gulf of Mexico dead zone--an area of low to no oxygen that can kill fish and marine life - will be approximately 5,898 square miles or about the size of Connecticut, the same range as it has averaged over the last several years.

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SPOTLIGHT

California Condor Population Reaches New Heights

Karen Klein, Yale Environment 360

After years of intense — and often controversial — restoration efforts, biologists are finally reporting some good news for the beleaguered California condor: More chicks are surviving in the wild, and the birds are becoming increasingly independent and expanding their range.

Earlier this year, the U.S. Fish and Wildlife Service announced what it called a milestone for the California condor: More chicks had hatched and fledged in the wild during 2015 than the number of condors that had died. In late March, Steve Kirkland, the agency’s condor field coordinator, reported that two more chicks had fledged in 2015 in Baja California, but had only just been discovered, bringing the total in the wild to 270.

It was perhaps the most promising news about the condor in decades.

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