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Innovative Tagging Technique May Help Researchers Better Protect Fish Stocks
08-07-2007 · Woods Hole Oceanographic Institution (WHOI)WHOI fish ecologist Simon Thorrold has received a research
grant from the David and Lucile Packard Foundation to use harmless
chemical tags to track the dispersal of the larvae
of coral reef fishes in the western Pacific Ocean. The unique tagging
experiment will help determine if Marine Protected Areas aid in
the recovery of fish stocks.
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Keywords: innovative, tagging, technique, researchers, protect, fish, stocks, researcher, stock
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- Economists: Reduce fish catch now for bigger net profits later
12-06-2007 · EurekAlert!
In Science magazine this week economists report having demonstrated in four diverse fisheries that highest profits are made when fish stocks are allowed to rise beyond levels traditionally considered optimal. The reason is 'the stock effect': when fish are more plentiful and easier to catch, fishers spend less on fuel and other costs to fill their nets -- profits are higher. The findings could help upend conventional fisheries management thinking.
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- How baby fish find a home
01-16-2008 · EurekAlert!
University of Miami researcher Claire Paris will use a groundbreaking observational tool, the OWNFOR (Orientation With No Frame Of Reference), a kite-like drifting device that allows researchers to detect and quantify the orientation of larval coral reef fish in the pelagic environment. This invention provides a less labor intensive, more precise way of tracking the dispersal of larval and juvenile marine species. The OWNFOR larval monitoring system will be tested through funding from the Australian Museum; Hermon Slade Foundation.
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- Innovative 3D-imaging technique captures brain damage linked to Alzheimer's disease
10-11-2007 · EurekAlert!
Using an advanced three-dimensional mapping technique developed by UCLA researchers, the team analyzed magnetic resonance imaging data from 24 patients with amnestic mild cognitive impairment and 25 others with mild Alzheimer's disease. The research team found that patients with mild Alzheimer's had 10 to 20 percent more atrophy in most cortical areas than did MCI patients.
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- Researchers use novel three-dimensional imaging technique
10-24-2006 · EurekAlert!
Using an innovative three-dimensional imaging technique, a team of UCLA researchers have tracked how Alzheimer's disease spreads through the hippocampus -- the area of the brain linked with memory -- in a pattern consistent with the known trajectory of neurofibrilliary tangle dissemination, an accumulation of diseased proteins in the brain cells. They found that three areas within the hippocampus of Alzheimer's patients show more atrophy compared with those in patients having amnestic mild cognitive impairment.
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- A stepwise retreat: How immune cells catch pathogens
07-11-2007 · EurekAlert!
To protect us from disease our immune system employs macrophages, cells that roam our body in search of disease-causing bacteria. With the help of long tentacle-like protrusions, macrophages can catch suspicious particles, pull them towards their cell bodies, internalize and destroy them. Using a special microscopy technique, researchers from the European Molecular Biology Laboratory now for the first time tracked the dynamic behavior of these tentacles in three dimensions.
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- Swarming starlings help probe plasma, crowds and stock market
08-09-2007 · EurekAlert!
Researchers at the University of Warwick's Physics Department's Center for Fusion, Space and Astrophysics have found a powerful technique that could be used to detect precisely when ordered patterns form in everything from plasma in the solar wind and fusion reactors, to crowds of people, or flocks of birds. The technique could even be used to find unusual patterns in stock market behavior.
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- Census of Marine Life historians detail collapse of bluefin tuna population off northern Europe
08-05-2007 · EurekAlert!
Census of Marine Life researchers have chronicled the decimation of North Atlantic bluefin tuna populations in the first half of 20th century. Meanwhile, the latest results of modern electronic fish tagging efforts off Ireland and in the Gulf of Mexico reveal remarkable migrations and life-cycle secrets of this declining species.
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- New imaging technique identifies people-at-risk for Alzheimer's disease
12-20-2006 · EurekAlert!
UCLA researchers used innovative brain scan technology with a new imaging molecule, invented at UCLA, to show that abnormal brain protein deposits that define Alzheimer's disease can be detected in people with mild cognitive impairment, a condition affecting 15-20 million Americans that increases risk for developing Alzheimer's disease. The new imaging technique helped researchers track disease progression over a two-year period and may be helpful in detecting pre-Alzheimer's conditions.
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- Innovative research technique reveals another natural wonder in Yellowstone Park
07-26-2007 · EurekAlert!
In the hot springs of Yellowstone National Park, a team of researchers partially funded by the National Science Foundation discovered a new bacterium that transforms light into chemical energy. The discovery of the chlorophyll-producing bacterium, Candidatus chloracidobacterium (Cab.) thermophilum, is described in the July 27, 2007, issue of Science in a paper led by Don Bryant of Penn State University and David M. Ward of Montana State University.
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- New technique to 'see' and protect transplants successful in diabetic animal model
07-29-2007 · EurekAlert!
Researchers at Johns Hopkins have found a way to overcome a major stumbling block to developing successful insulin-cell transplants for people with type I diabetes. They developed a new technique encapsulates the insulin-producing cells in magnetic capsules, using an FDA-approved iron compound with an off-label use, which can be tracked by magnetic resonance imaging (MRI). The product, tested in swine and diabetic mice, also simultaneously avoids rejection by the immune system, likely a major reason for transplant failure.
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