Wildlife

"Pacific Reef Sharks Have Declined by More Than 90%, New Study Says"

"Pacific reef shark populations have plummeted by 90 percent or more over the past several decades, according to a new study by a team of American and Canadian researchers, and much of this decline stems from human fishing pressure.

Quantifying the decline for the first time, the analysis, published online Friday in the journal Conservation Biology, shows that shark populations fare worse the closer they are to people — even if the nearest population is an atoll with fewer than 100 residents.

Source: Wash Post, 04/30/2012

San Francisco Marine Biologists Ponder Return of Harbor Porpoise

Harbor porpoises began disappearing from San Francisco Bay during the height of Navy ship activity there during World War II. "We don't know why they disappeared. … It's very possible that they just abandoned the place because it became too hard to feed, reproduce and raise their young," said William Keener, a co-investigator and spokesman with the nonprofit Golden Gate Cetacean Research group. "Then all of a sudden, the porpoises were back."

Source: Sacramento Bee, 04/24/2012

"For Weed Warriors, the Motto Is Endurance"

"To the untrained eye, a weed is just a weed, and few of us can tell a thistle from a teasel. But for Paul Heiple and his team of Weed Warriors, knowing the difference is essential to their work routing out invasive plants that threaten the native species at Edgewood Park, a 500-acre natural preserve that overlooks California’s Silicon Valley."

Source: Green (NYT), 04/20/2012
August 5, 2012 to August 10, 2012

97th Ecological Society of America (ESA) Annual Meeting Portland 2012

Life on Earth: Preserving, Utilizing and Sustaining Our Ecosystems

Pages

Subscribe to RSS - Wildlife