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Altered ocean currents disturb ecosystem off Northern California and Oregon coast
02-16-2007 · EurekAlert!In 2005, a delay in the arrival of a seasonal, nutrient-rich ocean current off the coast of Northern California and Oregon led to reduced influx of barnacle and mussel larvae to rocky shores, researchers report.
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Keywords: altered, ocean, currents, disturb, ecosystem, northern, california, oregon, coast, current
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- Oregon researchers study widespread areas of low oxygen off northwest coast
02-15-2008 · EurekAlert!
A team of scientists, including NOAA's William Peterson, studying the California Current -- a slow-moving mass of cold water that travels south along the coast from British Columbia to Baja California -- are seeing increasing areas of water off Washington and Oregon with little or no oxygen, possibly resulting in the deaths of marine animals that cannot leave the low-oxygen areas.
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- Changes in west coast marine ecosystems significant
02-16-2007 · EurekAlert!
The California Current system has experienced significant changes during the past decade, resulting in dramatic variations in the ecosystem, characterized by shifts in phytoplankton production, expanding hypoxic zones, and the collapse of marine food webs off the western coast of the United States. These changes, driven by new wind patterns, are consistent with predictive models of global climate change.
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- Salmon tracking program expands to California
05-16-2007 · EurekAlert!
A successful pilot program launched last year that used genetics to determine the river origin of Chinook salmon caught off Oregon's central coast will begin its second season this month and expand to the entire coast off Oregon as well as to northern California waters.
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- Warming Sign? Larger dead zones form off Oregon coast
02-24-2007 · Science News Online
Unprecedented recent changes in the yearly pattern of ocean currents off North America's West Coast have wreaked havoc on aquatic ecosystems there, another possible symptom of Earth's warming climate.
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- Hydrothermal vents: Hot spots of microbial diversity
10-04-2007 · EurekAlert!
Thousands of new kinds of marine microbes have been discovered at two deep-sea hydrothermal vents off the Oregon coast by scientists at the MBL and University of Washington's Joint Institute for the Study of Atmosphere and Ocean. Their findings, published in the Oct. 5 issue of the journal Science, are the result of the most comprehensive, comparative study to date of deep-sea microbial communities that are responsible for cycling carbon, nitrogen, and sulfur to help keep Earth habitable.
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- Climate changes, Cod collapse have altered North Atlantic ecosystems
02-22-2007 · EurekAlert!
Climate change plays a role in ecosystem changes along the continental shelf waters of the Northwest Atlantic Ocean, reports a Cornell oceanographer in the Feb. 23 issue of Science.
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- AGU journal highlights -- October 11, 2006
10-11-2006 · EurekAlert!
In this issue: Antarctic iceberg breakups possibly caused by storm-induced sea swells from far away; The Little Ice Age affected the tropics; New technique for determining ionospheric electron temperature; In select case studies, MODIS-Terra is better than MODIS-Aqua at measuring mineral dust aerosols; Anomalous current system off California caused marine birds to abandon breeding colonies; 18-month signal found within the Indian Ocean Dipole; and Many earthquake swarms start not with a bang but a whimper.
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- Woods Hole Oceanographic Institution Will Lead Partnership to Establish Coastal and Global Observatories for Ocean Observatories Initiative
08-23-2007 · Woods Hole Oceanographic Institution (WHOI)
The Joint Oceanographic Institutions (JOI) has awarded a
$97.7 million contract to an academic partnership led by the WHOI to support the development, installation, and initial
operation of the coastal and global components of the National Science
Foundation's Ocean Observatories Initiative (OOI). The WHOI partnership includes Scripps
Institution of Oceanography at the University
of California, San Diego, and Oregon State University's
College of Oceanic and Atmospheric Sciences.
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- Volcanic plumbing dictates development of deep-sea hydrothermal vents
03-21-2007 · EurekAlert!
After years of results that repeatedly dogged him, University of Oregon geologist Douglas R. Toomey decided to follow the trail of data surfacing from the Pacific Ocean. In doing so, he and his collaborators may have altered long-held assumptions involving plate tectonics on the ocean floor.
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- Slow but sure -- Burned forest lands regenerate naturally
04-04-2007 · EurekAlert!
A new study of forest lands that burned in the 1990s in northern California and southwestern Oregon has concluded there is a "fair to excellent" chance that an adequate level of conifers will regenerate naturally, in sites that had no manual planting or other forest management. Whether lands should be planted and weed competition controlled is more a question of short-term timber production, tree species control and forest management goals than the regeneration of the forest, the study indicated.
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