Posted on November 27, 2012 by Bob Berwyn
The National Marine Fisheries Service will consider a petition to de-list Puget Sound orcas. Photo courtesy NOAA.
Right-wing property rights group files nuisance petition
By Bob Berwyn
SUMMIT COUNTY — An anti-environmental property rights groups has successfully petitioned the National Marine Fisheries Service to reconsider its Endangered Species Act listing for Puget Sound’s resident orcas, more formally known as southern resident killer whales.
Puget Sound orcas have had endangered status since 2005, when federal biologists listed them due to threats from pollution, habitat destruction and over-collection by the marine aquarium industry. Puget Sound orcas are one of a few populations to feed extensively on salmon; they have a unique dialect; and previous studies have shown they are genetically unique. Continue reading
Filed under: biodiversity, endangered species, Environment, Marine biology, ocean conservation | Tagged: Center for Biological Diversity, endangered species, marine conservation, national marine fisheries service, oceans, Orcas, Pacific Legal Foundation, Puget Sound, southern resident killer whales | 1 Comment »
Posted on June 7, 2012 by Bob Berwyn
New study suggests shipping traffic a smaller factor
A pod of orcas in the Pacific. PHOTO COURTESY NOAA.
By Summit Voice
SUMMIT COUNTY —Recovering Chinook salmon populations in the Pacific Northwest is probably the key to killer whale conservation efforts, according to new research based on measurements of hormone levels in the marine mammals.
The southern resident killer whales, living in coastal waters of the Pacific Northwest, have been struggling and some researchers think it’s primarily because of increase ship traffic in the region.
According to the National Oceanic and Atmospheric Administration, they are also threatened by pollution and other human activities in many parts of their range.
But new research suggests the marine mammals are struggling mainly because of inadequate prey.The study was led led by Katherine Ayres, who completed the work while at University of Washington in Seattle. Continue reading
Filed under: biodiversity, endangered species, Environment, Marine biology | Tagged: Chinook salmon, Katherine Ayres, killer whales, Orcas, Pacific Northwest, southern resident killer whales | Leave a comment »