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Lakes in Biological News

U of Minnesota research finds most road salt is making it into the state's lakes and rivers

Research at the University of Minnesota has revealed that road salt used throughout the winter is making the state's lakes and rivers saltier, which could affect aquatic life and drinking water. The research indicates that better training of snow plow drivers and more judicious use of road salt c...

Study links ecosystem changes in temperate lakes to climate warming

Unparalleled warming over the last few decades has triggered widespread ecosystem changes in many temperate North American and Western European lakes, say researchers at Queen's University and the Ontario Ministry of the Environment. The team reports that striking changes are now occurring in m...

Study links ecosystem changes in temperate lakes to climate warming

Unparalleled warming over the last few decades has triggered widespread ecosystem changes in many temperate North American and Western European lakes, say researchers at Queen's University and the Ontario Ministry of the Environment. The team reports that striking changes are now occurring in m...

New ballast treatment could protect Great Lakes fish

A Michigan Technological University professor has developed a new water treatment that could help keep a deadly fish disease out of Lake Superior. David Hand, a professor of civil and environmental engineering at Michigan Tech, has devised a simple way to treat ballast water in vessels ranging ...

A Great Lakes mystery: The case of the disappearing species

WEST LAFAYETTE, Ind. - Throughout the overlooked depths of Lake Michigan and other Great Lakes, a small but important animal is rapidly disappearing. Until recently, the animal - a shrimplike, energy-dense creature called Diporeia - was a major food source for commercially important species lik...

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. But a new report published in the April journal of Ecology by the Ecol...

RIT to study air pollution and greenhouse gas emissions in the Great Lakes region

Reducing pollution and greenhouse gas emissions in the Great Lakes region due to freight transportation requires a little creativity and a serious look at sustainabilityways of protecting the environment without slowing the economy. A team of professors at Rochester Institute of Technology rec...

Cassini's new view of land of lakes and seas

The best views of the hydrocarbon lakes and seas on Saturn's moon Titan taken by the Cassini spacecraft are being released today. A new radar image comprised from seven Titan fly-bys over the last year and a half shows a north pole pitted with giant lakes and seas, at least one of them larger t...

Queen's University biologists find new environmental threat in North American lakes

Kingston, ON A new and insidious environmental threat has been detected in North American lakes by researchers from Queen's and York universities. Along with scientists from several Canadian government laboratories, the team has documented biological damage caused by declining levels of calciu...

Waterborne disease risk upped in Great Lakes

MADISON An anticipated increased incidence of climate-related extreme rainfall events in the Great Lakes region may raise the public health risk for the 40 million people who depend on the lakes for their drinking water, according to a new study. In a report published today (Oct. 7, 2008) in t...

Researchers find key to saving the world's lakes

After completing one of the longest running experiments ever done on a lake, researchers from the University of Alberta, University of Minnesota and the Freshwater Institute, contend that nitrogen control, in which the European Union and many other jurisdictions around the world are investing mill...

Database shows effects of acid rain on microorganisms in Adirondack Lakes

Bolton Landing, N.Y. Prior to the federal Clean Air Act, unhindered industrial emissions were released into the air throughout the Midwestern and Eastern United States for decades. Many of those harmful chemicals came right back down to earth in the form of acid rain, a chemical concoction that i...

Siberian lakes burp 'time-bomb' greenhouse gas

Frozen bubbles in Siberian lakes are releasing methane, a greenhouse gas, at rates that appear to be "... five times higher than previously estimated" and acting as a positive feedback to climate warming, said Katey Walter, in a paper published today in the journal Nature. Walter's project is the...

Study shows hope for ridding lakes of clawed invader

The rusty crayfish - a voracious, bullying exotic that has visited ecological havoc on numerous Wisconsin lakes - may have finally met its match. Since its introduction to Wisconsin waters sometime in the 1950s, the crayfish has spread to thousands of lakes and streams, clear cutting the underwa...

Leading lampreys to slaughter: Pheromone for scourge of Great Lakes identified

For the rats of Hamelin, it was the Pied Piper's tune. For the destructive sea lamprey of the Great Lakes, it's a chemical attractant, or pheromone, released by lamprey larvae living in streambeds. Following the pheromone trail, adults are drawn to streams favorable for spawning. Researchers have l...

Disappearing arctic lakes linked to climate change

Continued arctic warming may be causing a decrease in the number and size of Arctic lakes. The issue is the subject of a paper published in the June 3 issue of the journal "Science." The paper, titled, "Disappearing Arctic Lakes" is the result of a comparison of satellite data taken of Siberia in t...

Study shows eutrophic lakes may not recover for a millennium

Although it has taken just 60 years for humans to put many freshwater lakes on the eutrophication fast track, a new study shows their recovery may take a thousand years under the best of circumstances. Writing in today's (June 13) online edition of the Proceedings of the National Academy of Scie...

AGU journal highlights -- Aug. 6, 2009

...rs, however, remote sensing studies have hinted at the existence of Martian lakes during the Hesperian epoch (about 3.5 billion to 1.8 billion years ago). Us...ults explain recent observations around fjords and could also be applied to lakes or other situations with closely spaced bottom topography. Title: Influ...

UBC researchers find first-ever 'wanderlust gene' in tiny bony fish

...a University of British Columbia study. Measuring three to 10 centimetres, stickleback fish originated in the ocean but began populating freshwater lakes and streams following the last ice age. Over the past 15,000 years, freshwater sticklebacks have lost their bony lateral plates, or "armour," in these...

Urban water ecology at the ESA annual meeting

...any cities, excess sewage water enters streams and lakes with rain runoff. Although this pollution is harmf...hwest lakes, surveyed fish in 28 Pacific Northwest lakes and compiled published data on fish populations in lakes across North America. At undeveloped lakes, inse...

Earliest animals lived in a lake environment, research shows

...ore stable and consistent environments compared to lakes which tend to be short-lived features relative to,...ossibility that animal evolution first occurred in lakes and is tied to some environmental aspect unique to lake environments. Furthermore, because lakes are of limited size and not connected to each othe...

Parasitic worms make sex worthwhile

...ake Kaniere on New Zealand's South Island. The two lakes are on opposite sides of the Southern Alps mountai...snail, causing infertility. Ducks that live on the lakes scavenge for food at the lakes' periphery, where t...complete its life cycle in the deeper parts of the lakes because the ducks only forage in the shallow-water...

Study finds role for parasites in evolution of sex

...mathematical models, but there have been few attempts to see if it holds in nature. Enter Potamopyrgus antipodarum , a snail common in fresh water lakes in New Zealand. What makes these snails interesting is that there are sexual and asexual versions. They provide scientists with an opportunity to comp...

A thirst for blood sparks toxic algal blooms

... be compared to that of blood-sucking insects", says Per Jonsson of the Department of Marine Ecology. The blooming of toxic algae in the oceans and lakes is a familiar health risk and causes problems every summer, leading to increased costs for water cleaning, water consumption and the tourist industry....

Evolution of a contraceptive for sea lamprey

...e lampreys a jawless fish considered an invasive pest species in the Great lakes region of the United States. This could prove important to the Great lakes region, where lampreys aggressively consume trout, salmon, sturgeon and oth...

Broecker: 'What we need are tougher measures against climate change'

...itation will change as the planet warms", especially in the world's drylands. This means sifting through the climate records available from cold basin lakes and cave stalagmites. More renewable energies, but also CO 2 sequestration The question is not if but how our planet will change. "Because c...

Not 1, but 2 kinds of males found in the invasive round goby

...hey rapidly reproduce. The research, published in the Journal of Great lakes Research , looks at the aggressive round goby, a bottom-dwelling fish which infested the Great lakes watersheds around 1990. Presently, they are working their way inland throu...

Zebra mussels hang on while quagga mussels take over

...ls that have wreaked ecological havoc on the Great lakes are harder to find these days not because they ar... quite rapidly colonized rivers close to the Great lakes right after their introduction, within a year or t...ains. "Quagga mussels were introduced in the Great lakes around 20 years ago, but they are still not found ...

Canadian-based UN coral reef expert honored at world meeting in Australia

...e. Joining the University of Windsor in January 1994, he served as Head of the Department of Biological Sciences, and as acting Director of the Great lakes Institute for Environmental Research. Among other honors, he was President (and now an Honorary Life Member) of the Australian Coral Reef Society...

Afghanistan releases its first-ever list of protected species

...species. Last month, Afghanistan announced the creation of its first national park: Band-e-Amir, a spectacular series of six deep blue lakes separated by natural dams made of travertine, a mineral deposit. WCS is currently the only organization conducting ongoing scientific c...

Springer Series editor John Smol receives two prestigious biology awards

...nd aquatic science. The Killam citation describes how John Smol has worked to transform a largely descriptive study of natural and human impacts on lakes into a recognized quantitative science with powerful analytical properties. The citation also says his groundbreaking research on lake acidification, ...

SETAC Europe addresses global ecosystem health in Gothenburg

...ngland will share his views on "Our seas, our health, our wealth the human wildlife connection". Tuesday 2 June, Mohiuddin Munawar from the Great lakes Laboratory for Fisheries & Aquatic Sciences, Fisheries & Oceans in Canada will address "Probing Aquatic Ecosystem Health: A journey through the Great ...

Microfossils challenge prevailing views of the effects of 'Snowball Earth' glaciations on life

...ely appeared because of an increase in nutrients in the surface waters. This process is known as eutrophication, and occurs today in coastal areas and lakes that receive abundant runoff from fertilizers used in farming. "One or a few species of phytoplankton monopolizes nutrients at the expense of other...

Double trouble for water life

...ication have been apparent in freshwater habitats for a long time and phosphorus has been identified as the key nutrient responsible. While freshwater lakes have, over the past few decades, received continual doses of phosphorus, many coastal systems have experienced ever-increasing nitrogen loads from rap...

Climate change driving Michigan mammals north

...e's a lot more forest now than in the late 1800s and early 1900s, when logging and fires almost completely destroyed the forests of the northern Great lakes region," Myers said. "But that doesn't work as an explanation for the patterns we see, because the species that are moving in and becoming more common...

Scientists urge global action to preserve water supplies for billions worldwide

...ra Nevada snowpack by the end of the century. Chinese experts characterized water quality problems affecting many of the country's major rivers and lakes and outlined government plans to protect water supply. Representatives from Nepal reported on the dangerous spread of mountain moraines, masses of deb...

Random picks better than complicated process in gene identification

...ne on models such as mice and Arabidopsis," Hale said. "This species, the lake sturgeon, is a perfect example of a conservation concern." The Great lakes Fishery Trust and the Indiana Department of Natural Resources funded the research. DeWoody said the next step is to continue the process of finding th...

Songs raise awareness about aquatic invasive species

...of aquatic invasive species, which are threatening lakes in the state. "These songs were created to encourage behaviors that will protect the quality of our lakes and rivers for future generations," says Shaw. ... being distributed with help from the UW-Extension lakes Program, the Wisconsin Department of Natural Resou...

Fossil evidence of missing link in the origin of seals, sea lions, walruses found in Canadian Arctic

... fossils indicate this location during the Miocene had a cool, coastal temperate environment, similar to present-day New Jersey. Given that freshwater lakes would freeze in the winter, it is likely that Puijila would travel over land to the sea for food. The transition from freshwater to saltwater in sem...

Afghanistan declares its first national park

...anistan's best-known natural areas: the spectacular series of six deep blue lakes separated by natural dams made of travertine, a mineral deposit. Travertin...e found in the area but vanished due to hunting in the early 1980s. The lakes are under growing threat from pollution and other human-caused degradation ...
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