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Current Events

Do Submarine Power Cables Affect Marine Ecosystems?

2/26/2016

 
Pacific Standard -

New research finds that electromagnetic fields emitted by underwater power cables have little effect on marine communities off the coast of Santa Barbara, California.

There is a tremendous amount of renewable energy off the coast of the United States in strong ocean winds, currents, and waves. Submarine power cables can transport offshore energy back to land, but scientists are just beginning to understand how they might influence marine ecosystems. This week, at the American Geophysical Union's Ocean Sciences Meeting, researchers from the University of California–Santa Barbara and the Bureau of Ocean Management presented findings from a study of marine communities around the seafloor cables. Their results are heartening for both marine ecosystems and advocates of offshore renewable energy.

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Arctic thaw opens shipping waterways, risks to environment

2/25/2016

 
Reuters -
The Arctic is thawing even faster than lawmakers can formulate new rules to prevent the environmental threat of heavy fuel oil pollution from ships plying an increasingly popular trade route.
Average Arctic temperatures are rising twice as fast as elsewhere in the world and the polar ice cap's permanent cover is shrinking at a rate of around 10 percent per decade. By the end of this century, summers in the Arctic could be free of ice.

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Groups ask for emergency measures to protect salmon runs

2/25/2016

 
The East Oregonian -

Environmental groups are asking the U.S. Army Corps of Engineers for emergency measures to reduce fish mortality caused by high water temperatures in the Columbia and Snake rivers.

Last year took a massive toll on sockeye salmon in the Columbia and Snake rivers, as high water temperatures killed hundreds of thousands of fish returning from the Pacific Ocean.


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Skagit salmon weigh in at half of what they usually do; blamed on warm ocean

2/24/2016

 
The Seattle Times -

The Skagit River coho run of 2015 ranked as the worst on record, and the few salmon that did make it back to freshwater spawning grounds were scrawny and undersized.

The Skagit River coho run of 2015 ranked as the worst on record, and the few salmon that did make it back to freshwater spawning grounds were scrawny and undersized. While an average adult coho spawning in the Skagit weighs some 6 to 8 pounds, the vast majority of fish that returned last fall weighed only 3 to 4 pounds.


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DNA evidence shows that salmon hatcheries cause substantial, rapid genetic changes

2/17/2016

 
EurekAlert -

CORVALLIS, Ore. - A new study on steelhead trout in Oregon offers genetic evidence that wild and hatchery fish are different at the DNA level, and that they can become different with surprising speed.


The research, published today in Nature Communications, found that after one generation of hatchery culture, the offspring of wild fish and first-generation hatchery fish differed in the activity of more than 700 genes.

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Overfishing is as big a threat to humanity as it is to our oceans

2/17/2016

 
The Guardian –
​

There has never been a more urgent time for seafood businesses and fishing nations to make a commitment to sustainability. The world’s oceans are in trouble, with marine life plummeting and the people who are dependent on the sea for income and food left increasingly vulnerable. Data shows populations of fish and other marine vertebrates, including marine mammals, reptiles and birds have halved since 1970.

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Satellite Tags are Tracking 30 Beluga Whales in the Arctic

2/17/2016

 
Futurity-

A University of Washington Original Study- Scientists tagged 30 beluga whales and used the information to produce a rare dataset that spans 15 years, showing where they migrate and what they eat in the Arctic.
​

Two distinct populations of beluga spend winters in the Bering Sea, then move north as sea ice melts and open water allows them passage into the Beaufort and Chukchi seas. There they feast on Arctic cod, frequently diving to depths of 200 to 300 meters—and sometimes over 900 meters (0.5 miles)—to find food.

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Arctic Sea Ice Hits new January Low 

2/11/2016

 
Scientific American

Unusually high air temperatures over the Arctic Ocean and a strong negative atmospheric circulation in the region caused Arctic sea ice to shrink to the lowest level ever recorded by satellite for the month of January, according to the National Snow and Ice Data Center.
​
Arctic sea ice extended an average of 5.2 million square miles in January, which was 35,000 square miles less than the previous low in January 2011.


Read More

New record set for fall chinook redds in Snake River

2/8/2016

 
Tri-City Herald-

Fall chinook returning to the Snake River have set a new record for the third year in a row.
Data released by the Nez Perce Tribe show a new record of 9,345 redds, or gravel nests, were built by returning adults in the Snake River Basin between Lower Granite and Hells Canyon dams.

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Tribes seek to restore Columbia salmon runs

2/7/2016

 
Seattle Times-

Some Northwest Indian tribes in the next 20 years want to achieve a long-held dream: restoring wild salmon runs above the giant Grand Coulee Dam.

The construction of Grand Coulee in the 1930s blocked salmon runs that historically ran into the millions of fish each year, killing what had been a way of life for Indian tribes in the region.

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  • Home
  • About
    • Our Team
  • Services
    • Natural Resource Services
    • Regulatory Services
  • Featured Projects
    • Stream Restoration
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