Tag: "salmon" at biology news
USGS releases assessment of nation's biological resources
...ecosystem processes. Citing the decline of Pacific salmon
as an example, Groat emphasized that it isoften th...s fisheries,the poor welfare of some Pacific coast salmon
stocks, and serious declines insome marine mammal populations are examples of situations that deserv...
Rheumatoid arthritis: Olive oil and cooked vegetables may help
...ils. Oil from deep sea fish such as tuna, herring, salmon
or cod contain anti-inflammatory n-3 fatty acids. The authors propose a metabolic mechanism through which olive oil appears to protect against the development of RA and inhibit its inflammatory response. Especially in the relatively unrefined form ...
It only takes one fish to wipe out a population
...gists in the US and Britain are experimenting with salmon
engineered in asimilar way, although no one has yet begun commercial production. Muir and Howard included hGH in embryos of a fish called the Japanese medaka (Oryzias latipes), acommon aquarium fish that is widely used in research. They found that m...
New Cosumnes River research partnership announced
...s of native fish, including the endangered chinook salmon
and the Sacramento splittail, which is a candidate...inal course before the levees were built. Juvenile salmon
and native Delta fish have been observed using the flooded areas to feed and grow, and splittail hav...
Algal food quality, not quantity, critical factor in healthy lake ecosystems
... to be the healthy component of fat-rich fish like salmon
and tuna in human diets." Also participating in the study was Anne Liston, UC Davis research technician....
Transgenic fish could threaten wild populations
...onsisting of the human growthhormone driven by the salmon
growth promoter into medaka. The viability of groups of modified andconventional fish were measured at three days of age, and 30 percent fewer transgenic fish survived tothat age. The researchers calculated that large males had a four-fold mating adv...
Science in the news: public choices, science & salmon
Scientific efforts to aid salmon
in the Pacific Northwest A National Sea Grant... to help restore the productivity and diversity of salmon
populations in the Pacific Northwest. WHEN: Wednesday, February 16 8:30 a.m. to 11:00 a.m...
Today's Science for America's Tomorrow: the USGS FY 2001 Budget
...ificant research is needed on the complex issue of salmon
health and management alternatives; restoring coastal habitats in the Great Lakes; expanding existing studies in Yellowstone and the Mojave desert; developing decision support systems to help resource managers in parks, wildlife refuges and regional ...
ASU scientists probe salamander mysteries
...him of a similar infection he had recently seen in salmon
and insects. The salamanders, he told Davidson, showed all the hallmarks of attack by a virus. Eagerly anticipating a breakthrough in their work, Davidson and Jancovich prepared tissue samples for study with an electron microscope. On a Friday, they...
University of Colorado salmon study spawns new insight into human brain aging
...versity of Colorado at Boulder study of landlocked salmon
indicates they possess a genetically programmed "a...ists found that specific brain regions of spawning salmon
exhibit neurodegeneration and amyloid plaques remarkably similar to those in humans. But other brai...
Purdue researcher creates soy feed to keep fish on the table
...wn. "For example, eight or nine strains of Pacific salmon
are now on the rare or endangered species list. We need an alternative. To meet global demand in the future, aquaculture must grow." For aquaculture to grow, producers need new sources of fish food. Fish meal, which is dried and ground fish that is t...
Experts meet to evaluate watershed restoration for salmon in Pacific rivers
...ific recommendations for watershed restoration for salmon
by the end of the three-day workshop. Panelists will bring their varied expertise areas to bear in discussions ranging from selecting candidate watersheds for restoration to selecting measurements for evaluating restoration success. Reporters are in...
$1.5 million awarded to marine conservationists
...raising awareness to restore the Pacific northwest salmon
runs, to educating Ecuadorian fishermen to collect...ing public outreach to remove dams on rivers where salmon
migration has been blocked. Callum Roberts, Senior Lecturer, University of York, York, UK Exploring...
Do fish farms really add to the world's supply of fish?
... To maximize growth and enhance flavor, shrimp and salmon
farmers use processed food made from less valuable...unds of wild-caught fish to grow a single pound of salmon
or shrimp. About 29 million tons of finfish and shellfish were farmed worldwide in 1997 - a signific...
New species arise more quickly than previously believed, UMass researcher finds
... conducted his study on two populations of sockeye salmon
in the Pacific Northwest. The findings are publish...utionary adaptations and reproductive isolation in salmon
after only 12-14 generations: some 60-70 years. Specifically, scientists studied salmon
Fish and flies caught in the act of speciation, Science researchers report
...ion pressure. In a second Science study, sockeye salmon
adapted to river and lake-beach habitats and evolv...their introduction to Lake Washington in 1937, the salmon
differentiated genetically and morphologically according to the nature of their breeding environment...
Wild salmon vulnerable to climate change, Science study reports
...the international journal, Science . Decomposing salmon
carcasses have left behind a 300-year record of oc...changes from this period. Climate's impact on wild salmon
has been uncertain, because existing population records were relatively short and complicated by the...
Scientists launch the worlds first marine life census
...re blue sharks, albatrosses (the largest seabird), salmon
sharks, leatherback turtles, yellowfin tuna, blue whales and loggerhead turtles. Runners-up included squid, California sea lions, loggerhead turtles, California gray whales, sperm whales, sooty shearwaters (a migratory bird) and three fish species: g...
Counting salmon essential measure of recovery efforts
...ng effort to determine the best ways of monitoring salmon
conservation efforts say in a report issued Dec. 1...tists and managers who resist the idea of counting salmon
as being too complex and costly," says John Calhoun, director of the University of Washington's Olym...
Something's fishy with Columbia chinook: females carry male's genetic signature
MOSCOW--Samples in 1999 from fall chinook salmon
in the Columbia River's Hanford Reach show that fo...h the complex reasons for the decline of Northwest salmon
runs, although the Hanford's wild fall chinook run is among the healthiest. The researchers ruled ou...
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