The many benefits of marine reserves

National GeographicBy Rhett RegisterNovember 29, 2012Recently, while working on an article for National Geographic Traveler, I had the opportunity to interview Jay Nelson, director of the Pew Environment Group’s Global Ocean Legacy project. His group seeks to conserve and protect marine ecosystems by helping to establish large no-take marine reserves, where extractive activities like fishing Read More…

Oceans rising 60 percent faster than IPCC’s latest estimate

News TrackNovember 28, 2012The sea level is rising faster than expected could mean that the Intergovernmental Panel on Climate Change's (IPCC) sea-level rise projections for the future may be biased low as well, their results suggest.Sea-level rise potentially affects millions of people all around the world in coastal areas as well as megacities like Tokyo. "Global temperature continues to rise Read More…

Healthy salmon mark San Joaquin revival

The San Francisco ChronicleBy Peter FimriteNovember 29, 2012Two big, thrashing chinook salmon were released Wednesday into the once-mighty San Joaquin River, a small but pivotal act in the boldest plan ever devised to restore a depleted California waterway and bring back native fish that vanished decades ago.The two were among five plump, pinkish salmon that were captured at the Hills Ferry Read More…

Hungry salmon a problem for restoration efforts

PhysOrgBy Sandra HinesNovember 29, 2012Food webs needed by young salmon in the Columbia River basin are likely compromised in places, something that should be considered when prioritizing expensive restoration activities aimed at rebuilding endangered runs.Right now there are probably too many young fish and not enough food in places. Taking hatchery fish and wild fish together, there are twice Read More…

New era looms for lower Columbia salmon fisheries

The ColumbianBy Allen ThomasNovember 28, 2012For decades, sport and commercial fishermen have fought in legislative halls, before state wildlife commissions and in countless other forums over the allocation of salmon and sturgeon in the Columbia River.Come Dec. 7 at the Holiday Inn Portland Airport and Jan. 11-12 in Olympia, the goal of sportsmen to move the gillnetters off the lower Columbia Read More…

NOAA receives petition to remove Orca whales from endangered species…

The Northern LightBy Ian FergusonNovember 28, 2012Controversy over water rights to the Sacramento-San Joaquin River Delta in California may result in a group of killer whales that summer in local waters being removed from the endangered species list.The National Oceanic and Atmospheric Administration (NOAA) announced Monday, November 26 they had begun an Endangered Species Act status review of Read More…

Trinity River boasts largest salmon run in decades

Two Rivers TribuneBy Kristan KornsNovember 27, 2012This year’s salmon run was the largest in several decades, and the allocation for the Hoopa Tribe alone was 32,000 adult fall Chinook.Local fisherman Mikey McCovey said, “I’ve been on the river since I was 14 years old, and this year was about the best run.” George Kautsky, deputy director of Hoopa Tribal Fisheries, said that the Read More…

Fish ear bones offer clues to the likely impacts of climate change in…

PhysOrgNovember 28, 2012 The earbones, or 'otoliths', help fish to detect movement and to orient themselves in the water. Otoliths set down annual growth rings that can be measured and counted to estimate the age and growth rates of fish. "Otoliths can form the basis of new techniques for modelling fish growth, productivity and distribution in future environments," said Dr John Morrongiello of Read More…

Man-made nanoparticles in water slow fish down

Earth SkyNovember 27, 2012 Exposure to man-made titanium dioxide nanoparticles means trout spend less time swimming at top speed, scientists have shown. They think the particles damage the fish’s gills, causing oxygen deprivation in the internal organs including the brain and forcing them to save energy by cutting out rapid bursts of movement. The changes won’t have much impact on the Read More…

Sharks caught by fishing gear a concern, says researcher

CBC NewsNovember 27, 2012 There are concerns that bycatch of Greenland sharks by Nunavut’s turbot fishing industry could affect the future of the species, of which little is known. A fisherman from Newfoundland was charged Aug. 8 by a Department of Fisheries and Oceans officer for allegedly cutting the fins off the sharks to get them out of his hooks. It's common for boats in Nunavut to Read More…