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Polarstern's biggest fish catch in 24 years of research in Antarctic waters
12-26-2006 · EurekAlert!Five tons of marbled Antarctic cod (Notothenia rossii), now that was surely a big surprise to scientists and crew alike considering that previous and subsequent hauls barely ever reaped such plentiful harvests. Their shimmering silver and dark blue bodies, which can grow up to 70 cm, were piled on the aft deck of Polarstern. In combination with previous stock assessments, fisheries biologists onboard interpreted the catch as a sampling of a discrete, small-scale aggregation of this fish species
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Keywords: polarstern, biggest, fish, catch, research, antarctic, waters, water
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- Antarctic expedition provides new insights into the role of the Southern Ocean for global climate
02-05-2008 · EurekAlert!
In the Southern Ocean, large quantities of surface-drifting plankton algae are able to significantly reduce the carbon dioxide content of surface waters. This is a result from an Antarctic expedition led by the Alfred Wegener Institute, part of the Helmholtz Association. On Feb. 5, scientists will discuss pressing questions of Antarctic research aboard the icebreaker Polarstern in Cape Town. Federal research minister Dr. Annette Schavan will use the opportunity to meet scientists and South African ministerial colleagues.
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- 2 MSU professors spearhead international water project
06-22-2007 · EurekAlert!
Two MSU professors are leading an international partnership of environmental engineers and scientists from four research universities, including U.S., to purify the world’s waters. With the biggest funding of its kind -- a $2.5 million grant -- by the National Science Foundation, the team leaders are bringing together domestic and international expertise, as well as investing in students, to develop water purifying strategies using what are called “membrane-based” technologies.
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- ROV discovers Antarctic seafloor fauna
01-18-2007 · EurekAlert!
Remotely Operated Vehicles (ROV) remain an efficient technology to uncover the secrets of Antarctic seafloor fauna. As a precursor to the International Polar Year 2007/2008, the current Polarstern expedition conducted by the Alfred Wegener Institute for Polar and Marine research releases short seafloor video clips taken by ROV only a few hours after the robot has been recovered.
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- Wanderlust -- deep-sea fauna under Antarctic ice shelf
01-24-2007 · EurekAlert!
Under the former Larsen ice shelf east of the Antarctic Peninsula, deep-sea sea cucumbers and stalked feather stars were ubiquitously found in shallow waters. These animals usually inhabit far greater water depths.
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- River plants may play major role in health of ocean coastal waters
01-29-2008 · EurekAlert!
Recent research at MIT's Department of Civil and Environmental Engineering suggests how aquatic plants in rivers and streams may play a major role in the health of large areas of ocean coastal waters. The work describes the physics of water flow around aquatic plants. It may be used to guide restoration work in rivers, wetlands and coastal zones by helping ecologists determine appropriate vegetation patch length and planting density.
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- Departure to cold water corals and other 'hot spots'
05-24-2007 · EurekAlert!
With a new coat of paint, thorough ship inspection, and sailing under the flag of the Helmholtz Association, Polarstern begins to make its way toward the north on May 29. The flagship of the Alfred Wegener Institute for Polar and Marine Research (AWI), is initially heading to Northern Norway and then on to Spitsbergen during its 22nd Arctic expedition.
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- Ice-breaker Polarstern to explore uncharted seafloor
11-13-2006 · EurekAlert!
Huge areas of sea floor (around 3,250 km²) have been freed up by the collapse 4 years ago of the Larsen B platform along the Antarctic Peninsula. Polarstern, the research flagship of the Alfred Wegener Institute for Polar and Marine Research, will shortly conduct the first major biological research there. Forty-seven scientists from more than a dozen different nationalities will focus on the biological characteristics of this blank spot, from November 2006 to January 2007.
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- What's in the water? Estrogenic activity documented in fish caught in Pittsburgh's rivers
04-17-2007 · EurekAlert!
A study from the University of Pittsburgh School of Medicine suggests that fish caught in Pittsburgh rivers show evidence of estrogen-like activity, indicating that chemicals that mimic the female hormone may be making their way into the region's waterways. The study, being presented at the annual meeting of the American Association for Cancer Research, also found that when the researchers treated breast cancer cells in culture with fish extracts, the cells grew at increased rates.
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- CO2 emissions could violate EPA ocean-quality standards within decades
09-19-2007 · EurekAlert!
In a commentary in the Sept. 25, 2007, issue of the Geophysical Research Letters, a large team of scientists state that human-induced carbon dioxide emissions will alter ocean chemistry to the point where it will violate US Environmental Protection Agency Quality Criteria (1976) by mid-century if emissions are not dramatically curtailed now. This is the first recognition that atmospheric CO2 emissions will cause ocean waters to violate EPA water quality criteria.
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- Stronger EPA leadership needed to improve water quality in Mississippi River
10-16-2007 · EurekAlert!
The US Environmental Protection Agency must take a more aggressive leadership role in implementing the Clean Water Act if water quality in the Mississippi River and the northern Gulf of Mexico is to improve, says a new report from the National Research Council. EPA has failed to use its authority under the act to adequately coordinate and oversee state activities along the Mississippi and ensure progress toward the act's goal of 'fishable and swimmable' waters, the report says.
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