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Development of more muscular trout could boost commercial aquaculture
A 10-year effort by a University of Rhode Island scientist to develop transgenic rainbow trout with enhanced muscle growth has yielded fish with what have been described as six-pack abs and muscular shoulders that could provide a boost to the commercial aquaculture industry. view more (2010-03-11)
Barley protein concentrate could replace fishmeal in aquaculture feeds
Agricultural Research Service (ARS) scientists and Montana Microbial Products (MMP) of Butte, Mont., have developed a barley protein concentrate that could be fed to trout and other commercially produced fish. view more (2010-02-08)
Reducing some water flow rates may bring environmental gains
Conservation projects often attempt to enhance the water-based transport of material, energy, and organisms in natural ecosystems. River restoration, for example, commonly includes boosting maximum flow rates. view more (2010-01-05)
Northern brown bears discovered feeding on whitefish runs
The discovery of brown (grizzly) bears feeding on migrating broad whitefish in a stream in Mackenzie Delta region of the Northwest Territories has researchers advising increased care in petroleum extraction and infrastructure development within the area. view more (2009-09-23)
River flow and temperature limit trout numbers
Over a 23-year study, Javier Lobon-Cervia has found the mechanism that controls the number of salmonids found each year in Cantabrian rivers. view more (2009-09-10)
Sick fish may get sicker
Entire populations of North American fish already are being affected by several emerging diseases, a problem that threatens to increase in the future with climate change and other stresses on aquatic ecosystems, according to a noted U.S. Geological Survey researcher giving an invited talk on this subject today at the Wildlife Disease Association... view more... (2009-08-04)
MIT: Extending the shelf life of antibody drugs
A new computer model developed at MIT can help solve a problem that has plagued drug companies trying to develop promising new treatments made of antibodies: Such drugs have a relatively short shelf life because they tend to clump together, rendering them ineffective. view more (2009-06-30)
Improved method developed to test carcinogen risk
Researchers at Oregon State University recently completed the largest animal study ever done in the field of toxicology, and the findings challenge some basic concepts about how to determine what level of a cancer-causing compound can be considered safe. view more (2009-06-19)
Hatchery fish may hurt efforts to sustain wild salmon runs
Steelhead trout that are originally bred in hatcheries are so genetically impaired that, even if they survive and reproduce in the wild, their offspring will also be significantly less successful at reproducing. view more (2009-06-10)
Study assesses impact of fish stocking on aquatic insects
The impact fish stocking has on aquatic insects in mountain lakes can be rapidly reversed by removing non-native trout, according to a study completed by U.S. Forest Service and University of California, Davis, scientists. view more (2009-03-27)
Study finds hemlock trees dying rapidly, affecting forest carbon cycle
New research by U.S. Forest Service Southern Research Station (SRS) scientists and partners suggests the hemlock woolly adelgid is killing hemlock trees faster than expected in the southern Appalachians and rapidly altering the carbon cycle of these forests. view more (2009-02-27)
Chemical come-on successfully lures love-sick lampreys to traps
A synthetic chemical version of what male sea lampreys use to attract spawning females can lure them into traps and foil the mating process of the destructive invasive species, according to Michigan State University scientists. view more (2009-01-22)
Climate change effects on imperiled Sierra frog examined
Climate change can have significant impacts on high-elevation lakes and imperiled Sierra Nevada Yellow-legged frogs that depend upon them, according to U.S. Forest Service and University of California, Berkeley, scientists. view more (2008-12-11)
Silent Streams? Escalating Endangerment for North American Freshwater Fish: Nearly 40 Percent Now At-Risk
Nearly 40 percent of fish species in North American streams, rivers and lakes are now in jeopardy, according to the most detailed evaluation of the conservation status of freshwater fishes in the last 20 years. view more (2008-09-10)
Dying frogs sign of a biodiversity crisis
Devastating declines of amphibian species around the world are a sign of a biodiversity disaster larger than just frogs, salamanders and their ilk, according to researchers from the University of California, Berkeley. view more (2008-08-13)
Metabolic insight to illuminate causes of iron imbalance
New insight into key players in iron metabolism has yielded a novel tool for distinguishing among root causes of iron overload or deficiency in humans, the researchers report in the August issue of Cell Metabolism, a publication of Cell Press. While the body needs iron to produce hemoglobin, a substance in red blood cells that enables them to... view more... (2008-08-06)
Digital cameras, remote satellites measure crop water demand
Horticultural crops account for almost 50% of crop sales in the United States, and these crops are carefully managed to ensure good quality. view more (2008-07-21)
Restoring fish populations leads to tough choice for Great Lakes Gulls
You might think that stocking the Great Lakes with things like trout and salmon would be good for the herring gull. The birds often eat from the water, so it would be natural to assume that more fish would mean better dining. view more (2008-05-15)
MSU researchers recommend ways to fight lake trout invasion in Glacier National Park
Natural barriers like waterfalls play an important role in preventing lake trout from spreading through Glacier National Park, so maintaining those barriers should be a priority, Montana State University researchers said after conducting a four-year study in the park. view more (2008-04-25)
Omega-3 intake during last months of pregnancy boosts an infant's cognitive and motor development
A study supervised by Université Laval researchers Gina Muckle and Éric Dewailly reveals that omega-3 intake during the last months of pregnancy boosts an infant's sensory, cognitive, and motor development. The details of this finding are published in a recent edition of the Journal of Pediatrics. view more (2008-04-10)
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