Category Archives: news

Traces of Fukushima radiation found in Pacific albacore

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Researcher Delvan Neville labels containers of albacore tuna samplesCORVALLIS, Ore. – Samples of albacore tuna caught off the West Coast of the United States show minute traces of radiation that can be traced to the Fukushima reactor disaster, according to an interdisciplinary team of scientists from Oregon State University and the National Oceanic and Atmospheric Administration.

The radiation levels in fish analyzed to date are far below anything that would pose a risk to humans who consume the fish, the research team emphasized. The findings are preliminary; additional fish remain to be tested.

But the findings could reveal new information about where Pacific albacore travel during their migratory lives – and how what happens in one part of the ocean can affect the food web thousands of miles away.

The team has collected and tested fish caught off the U.S. West Coast both before and after the devastating March 2011 Japanese tsunami and subsequent release of radioactive material into the ocean by the Fukushima Daiichi nuclear reactor.

“We’re still processing new fish, but so far the radiation we’re detecting is far below the level of   concern for human safety,” said Delvan Neville, a graduate researcher with OSU’s Radiation Health Physics program and a co-investigator on the project.

People are constantly exposed to radiation from the natural environment, Neville pointed out. “To increase their normal annual dosage of radiation by just 1 percent, a person would have to eat more than 4,000 pounds of the highest (radiation) level albacore we’ve seen.”

Neville will present the team’s preliminary findings on Oct. 27 at the Heceta Head Coastal Conference in Florence. Richard Brodeur, the NOAA Northwest Fisheries Science Center biologist who serves as lead investigator on the project, reported the same findings to the recent annual meeting of  PICES, the North Pacific Marine Science Organization, in Japan. The researchers also plan scientific journal articles.

Read the complete story from OSU News & Research Information

Crater Lake closure follows Sea Grant invasives workshop

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Diver in Crater Lake (US Parks Service photo)This week’s closure of Crater Lake to divers follows National Parks Service participation in a recent Sea Grant-sponsored workshop on the legal and regulatory challenges to keeping two significant invasive species out of waterways in western states.

The NPS announced the immediate, temporary closure on Wednesday, saying it needed time to establish protocols to minimize the risk of contaminating the pristine lake with invasive species. The service anticipates that the protocols will be in place before the beginning of the 2013 season, and will require divers to take precautionary measures before entering the lake.

The 1,943-foot-deep Crater Lake, the centerpiece of a 249-square-mile national park in the southern Oregon Cascades, is  considered the deepest lake in the United States, and the ninth deepest lake in the world. Its relative isolation, along with rigorous management of the surrounding Crater Lake National Park watershed, has helped make it one of the cleanest, as well.

Of immediate concern to the park – and to representatives of state and federal agencies and Western states’ attorneys general who attended last week’s workshop in Phoenix, AZ – are highly invasive zebra and quagga mussels, already a plague in many US waters and just beginning to show up in the West.

The fast growing mussels can rapidly colonize on boats and other recreational water gear, and  can be easily spread from one waterway to another. Once established, they can foul docks, piers, water intakes and power systems, and – of more direct concern in Crater Lake – alter entire ecosystems by outfeeding and outbreeding native species.

While the mature mussels are easy to see and – with some effort – remove, their  larvae start life at a microscopic size, making them difficult to detect and destroy.

The  Phoenix meeting, convened by Oregon Sea Grant, the National Sea Grant Law Center and the US Fish and Wildlife Service, engaged state, federal and local agencies – including representatives of the attorneys general of all 15 Western states –  in a discussion of legal and regulatory frameworks that might help keep the invaders out of Western waters where they have yet to appear – or have just begun to show up. In addition, participants talked about how they might educate the recreational public about the problem, and protocols for decontaminating gear when it’s hauled out of one body of water and transported to another.

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Western states meet to tackle invasive mussels

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Invasive quagga musselsPHOENIX, AZ – State legal and law enforcement officials and environmental scientists from the 15 Western states will meet in Phoenix next week to explore legal and regulatory ways of limiting an invasion of non-native mussels that can clog water systems, foul power plants, harm the environment and cost billions of dollars in damage and control wherever they spread.

Their focus: On forging a uniform approach to education, inspection and regulation to encourage recreational boat inspections in the West to prevent the spread of invasive zebra and quagga mussels.

The Aug. 22-23 meeting, convened by Oregon Sea Grant, the National Sea Grant Law Center (both programs of the National Oceanic and Atmospheric Administration) and the US Fish and Wildlife Service, and hosted by the Arizona Dept. of Fish and Game, is expected to draw representatives from the attorneys general of all 15 Western states, along with state and federal fish and wildlife officials and biologists who specialize in marine invasive species.

Zebra mussels, native to southern Russia but accidentally introduced to many other areas around the world, were first detected in Lake St. Clair, near Detroit, in the late 1980s, likely imported in the ballast-water of ocean-going ships. By clinging to the undersides of docks, boats and anchors, they rapidly spread through the Great Lakes region, the East Coast and the Southeast. Although small, the mussels grow rapidly, and can quickly colonize almost anything underwater – from boat hulls and anchors to municipal and industrial water intakes, hydroelectric systems and other facilities. The cost of managing these pests in the Great Lakes alone has been estimated at more than $500 million a year.

The related quagga mussel, another prolific breeder whose filter-feeding habits has been shown to change entire ecosystems, has followed a similar invasive path since showing up in Lake Erie in 1989, and is now found from the Great Lakes to the Northeast.

Within the last few years, isolated infestations of both species, which can survive for days to weeks out of water  have begun to show up in Western recreational and irrigation waters in California and Arizona, moist likely transported on recreational boats and trailers. Efforts to control the spread by educating boaters have met with mixed success, and state-by-state differences in legal and regulatory frameworks hinder the states’ ability to require and conduct inspections.

The Phoenix meeting will look at the impacts of invasive mussels on local economies and infrastructure, the challenges to effective control, and a 100-plus-year-old federal law – the Lacey Act – which could give states a tool for approaching the problem.

Sessions include discussions of state authority to stop boats for inspection, quarantine and decontamination, what programs and laws have been successful in Western states, public attitudes about invasive species education and enforcement, and how cash-strapped states can fund such programs.

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Teachers and classrooms may spread invasive species

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4th-graders show off a rusty crayfish that came in a science curriculum kit. The species is invasive in Oregon, and thanks to Sea Grant's work with companies that supply the kids, is no longer being provided.

One in four teachers who use live animals for classroom science projects report that they’ve released the animals into the wild when the projects are done, according to a new Sea Grant study – and the practice may be helping to spread some nasty invasive species.

The study, led by Oregon Sea Grant Extension’s invasive species expert Sam Chan, was presented at this week’s national meeting of the Ecological Society of America in Portland.

“Live organisms are a critical element for learning and we don’t want to imply that they should not be used in the classroom,” said Chan. “But some of our schools – and the biological supply houses that provide their organisms – are creating a potential new pathway for non-native species to become invasive.

“We need to work through the whole chain and educate both the teachers and suppliers about the potential damages – both environmental and economic – that invasive species may trigger,” added Chan,  former chair of the Oregon Invasive Species Council.

The study surveyed nearly 2,000 teachers in Florida, New York, Indiana, Illinois, Oregon, Washington, California, Connecticut, British Columbia and Ontario. Conducted primarily by researchers from Sea Grant programs in those states, it also included focus groups and interviews with teachers, curriculum specialists and biological supply house owners and managers.

The researchers found teachers using as many as 1,000 different organisms in the classroom, including many frequently listed species identified as known or potential aquatic invaders,  including elodea, crayfishes, amphibians, mosquito fish, red-eared slider turtles and other aquatic plants and snails.

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(Photo credit: Jennifer England, Franklin Elementary School, Corvallis)

Volunteers sought for tsunami debris monitoring, cleanup

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The new Oregon Marine Debris Team is looking for hundreds of coastal volunteers to keep an eye out for debris from the 2011 Japanese earthquake and tsunami – and to help clean it up.

The team, a partnership of Oregon Sea Grant and four nonprofit groups – CoastWatch, Surfrider Foundation, SOLVE and Washed Ashore – is leading citizen-based efforts to systematically track and clean up tsunami debris that washes up on the Oregon Coast. Volunteers will be asked to systematically monitor, identify and report areas where tsunami debris accumulates, and to participate in cleanup efforts.

Interested coastal residents and visitors can sign up by subscribing to the team’s marine debris notification list and indicate their volunteer interests and geographic areas.

Public agencies, led by Oregon State Parks, have set up debris reporting hotlines, provided receptacles and will collect material too dangerous or bulky for volunteers to handle. The federal government, through the National Oceanic and Atmospheric Administration, announced Monday that it would provide $250,000 to the five western states likely to be affected by the tsunami debris (Alaska, Washington, Oregon, California and Hawaii). However, at $50,000 per state, the grants are expected to cover only a small fraction of cleaning up however much of the estimated 1.5 million tons of debris drifting across the Pacific winds up on US coasts.

The debris was washed from the Japanese shore by the tsunami that followed the devastating earthquake that hit northern Japan on March 5, 2011, killing thousands and sweeping away an estimated 5 million tons of buildings, fishing vessels and personal belongings. Much of that sank off the Japanese coast – but buoyant items, from fragments of plastic and paper to stray boats and cargo containers, have been floating the Pacific currents ever since, and are beginning to show up on US coastlines.

The budget-strapped West Coast states lack the resources to clean up everything that arrives.The cost of removing the single largest piece of tsunami debris to hit Oregon to date – a large dock that washed ashore last month at Agate Beach on the central Coast – will run just over $84,000, according to Oregon Parks & Recreation, which has hired a contractor to remove and dispose of the dock starting July 30. A small piece will be kept as a memorial to the tsunami victims.

“Cleaning up our beaches relies upon all of us,” said Charlie Plybon, , Surfrider Foundation Oregon Field Manager. “The key to responding to this challenge … lies with educating and activating volunteers.”

The Oregon Marine Debris Team is hoping to recruit enough volunteers to monitor every beach, cove and headland for debris, and to be on call for cleanup alerts in given areas. “Agencies are not able to do that,” Plybon said. “It is up to us, the people who care for our coastline and take responsibility for it, to step up. Our role as nonprofits is to provide the support to make that happen.”

Japanese dock carries potential invaders

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ODFW workers clean marine organisms from Japanese dockAGATE BEACH – A large section of a dock, ripped from the Japanese shore by last year’s tsunami and washed up this week on the Oregon coast, brought with it  a host of potentially unwelcomed visitors.

Scientists at OSU’s Hatfield Marine Science Center said the cement float contains about 13 pounds of organisms per square foot – an estimated 100 tons of wet plant and animal life. As of Thursday they had gathered living samples sample of multiple species of   barnacles, starfish, urchins, anemones, amphipods, worms, mussels, limpets, snails, solitary tunicates and algae – and there are dozens of species overall.

“This float is an island unlike any transoceanic debris we have ever seen,” said John Chapman, an OSU researcher who studies marine invasive species . “Drifting boats lack such dense fouling communities, and few of these species are already on this coast. Nearly all of the species we’ve looked at were established on the float before the tsunami; few came after it was at sea.”

Chapman said it was “mind-boggling” how these organisms survived their trek across the Pacific Ocean. The low productivity of open-ocean waters should have starved at least some of the organisms, he said.

“It is as if the float drifted over here by hugging the coasts, but that is of course impossible,” Chapman said. “Life on the open ocean, while drifting, may be more gentle for these organisms than we initially suspected. Invertebrates can survive for months without food and the most abundant algae species may not have had the normal compliment of herbivores. Still, it is surprising.”

Jessica Miller, an Oregon State University marine ecologist, said that a brown algae (Undaria pinnatifida), commonly called wakame, was present across most of the dock – and plainly stood out when she examined it in the fading evening light. She said the algae is native to the western Pacific Ocean in Asia, and has invaded several regions including southern California. The species identification was confirmed by OSU phycologist Gayle Hansen.

“To my knowledge it has not been reported north of Monterey, Calif., so this is something we need to watch out for,” Miller said.

Miller said the plan developed by the state through the Oregon Department of Fish and Wildlife and Oregon State Parks is to scrape the dock and to bag all of the biological material to minimize potential spread of non-native species. But there is no way of telling if any of the organisms that hitchhiked aboard the float from Japan have already disembarked in nearshore waters.

“We have no evidence so far that anything from this float has established on our shores,” said Chapman. “That will take time. However, we are vulnerable. One new introduced species is discovered in Yaquina Bay, only two miles away, every year. We hope that none of these species we are finding on this float will be among the new discoveries in years to come.”

Read the complete story from OSU News & Research Information

(Photo credit: OSU Hatfield Marine Science Center, Newport)

Oregon Sea Grant wins four Hermes Creative Awards

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Oregon Sea Grant has won four awards in the 2012 Hermes Creative Awards competition: a Platinum Award in the Publications/Book category for Pathways to Resilience: Sustaining Salmon Ecosystems in a Changing World; a Gold Award in the Publications/Magazine category for Confluence magazine; a Gold Award in the Video/Educational category for Gems of the Oregon Coast: Cascade Head Scenic Research Area; and an
Honorable Mention in the Website Overall/Government category for the Oregon Sea Grant website.

According to Hermes, the Platinum Award is presented to “those entries judged to be among the most outstanding entries in the competition. Platinum winners are recognized for their excellence in terms of quality, creativity and resourcefulness.” Gold Awards go to “entries judged to exceed the high standards of the industry norm.”

Judges for the Hermes Creative Awards are “industry professionals who look for companies and individuals whose talent exceeds a high standard of excellence and whose work serves as a benchmark for the industry.” There were about 4,700 entries from throughout the United States and several other countries in the 2012 Hermes Creative Awards competition.

 

NOAA, FEMA urge “Be a Force of Nature”

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Be a Force of Nature - Pledge to Prepare“Be a Force of Nature” is the theme of the first-ever National Severe Weather Preparedness Week, starting this Sunday (Earth Day) and continuing through April 28.

The campaign is a joint effort by the National Oceanic and Atmospheric Administration (NOAA) and the Federal Emergency Management Agency (FEMA).

Daily themes will  target public awareness about severe weather hazards and encourage people to get prepared:

  • Monday: Know Your Risk
  • Tuesday: Make a Plan
  • Wednesday: Build a Kit
  • Thursday: Get a NOAA Weather Radio
  • Friday: Be an example for others to follow

Full details – including downloadable posters, media PSAs and emergency preparedness kit checklists – can be found on NOAA’s Weather-Ready Nation Website.

While the effort focuses on hurricanes, tornadoes and other catastrophic storms less common in the Pacific Northwest, Oregonians can still learn from the campaign, according to Patrick Corcoran, Oregon Sea Grant’s coastal hazards specialist.

In this region, coastal storms generally occur from November to March – but recent trends have shown earlier dates for the first storm and later dates for the last storm of the season. And offshore buoys have measured increasingly higher waves during winter storms over the past 30 years. A result has been more impacts by storms on people and infrastructure, from homes to highways.

“Some homes on cliff-backed beaches have found themselves precariously closer to the edge,” said Corcoran. “A few have fallen into the sea. Other properties in lower areas with dune-backed beaches are experiencing larger storm waves, overtopping of shore protection structures, and an overall increase in erosion.”

Corcoran pointed out that although the Northwest is generally spared from tornadoes and hurricane-strength storms, they can happen – and the region is also prone to seismic disasters including earthquakes and tsunamis.

“The steps NOAA recommends to prepare for catastrophic storms make good sense for the types of disasters we in the Northwest face, too,” he said.

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OSU’s new research vessel arrives in Newport

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R/V Oceanus: Almost homeNEWPORT – Greeted by welcoming blasts from the horns of NOAA research ships berthed nearby, the Research Vessel Oceanus steamed under the arch of Yaquina Bay Bridge in a rainy mist on Tuesday and into her new home port at Oregon State University’s Hatfield Marine Science Center.

It was the end of a 28-day voyage for the Oceanus, which sailed out of its former home at Woods Hole Oceanographic Institute on Jan. 25 and cruised down the East Coast and through the Panama Canal before heading northward for Oregon and her new home port.

Marine science fans on both coasts were able to follow the voyage via a Webcam affixed to the ship’s mast, which also beamed its geographic coordinates to a Google map set up for the occasion.

OSU acquired the Oceanus via the  University National Oceanographic Laboratory System, a consortium of 60 academic research institutions that operate 16 vessels around the country. OSU, a member of UNOLS, was retiring its venerable research vessel, The Wecoma, and looked to the consortium for a replacement. Although the two vessels are about the same age, a National Science Foundation rapid assessment determined that the Oceanus would be more cost-effective to operate for the next 5-10 years. By that time, OSU hopes to have a new ship.

The Oceanus was greeted by the same sounds that saw her off from Woods Hole: A chorus of horns from other research vessels, this time those docked at the new NOAA Marine Operations Center facility not far from the Hatfield Center docks.

A formal retirement ceremony for the Wecoma is being planned for March.

(Photos by Bruce Mate. Additional photos on the Oregon Sea Grant Flickr gallery)