News tagged with aquatic ecosystems
Common fungicide wreaks havoc on freshwater ecosystems
Chlorothalonil, one of the world's most common fungicides used pervasively on food crops and golf courses, was lethal to a wide variety of freshwater organisms in a new study, University of South Florida researchers said ...
May 16, 2012 |
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New study examines density stratification on microorganisms in aquatic ecosystems
Microorganisms play pivotal functions in nature, particularly within aquatic ecosystems. Whether in an ocean or a lake, they are key players in the food chain and the vitality of individual ecosystems.
Mar 06, 2012 |
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How do green algae react to carbon nanotubes?
Nanoparticles such as carbon nanotubes (CNT), which are found in an ever-increasing number of products, are ending up more and more frequently in our surroundings. If and how they affect aquatic ecosystems ...
Nanotechnology / Nanomaterials
Nov 04, 2011 |
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Worms among first animals to surface after K-T extinction event, study finds
A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, ...
Other Sciences / Archaeology & Fossils
Oct 11, 2011 |
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Philippines creates haven for endangered duck
The Philippines has created a protected area to save a species of endangered wild duck, with just 5,000 of the birds remaining, government documents released on Monday said.
Sep 05, 2011 |
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Urban impacts on phosphorus in streams
Although phosphorus is an essential nutrient for all life forms, essential amounts of the chemical element can cause water quality problems in rivers, lakes, and coastal zones. High concentrations of phosphorus in aquatic ...
Aug 11, 2011 |
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Bighead carp snagged in St. Croix River
It's an ugly brute with a gaping mouth and eyes that hang low on the bottom of its face. Someday soon, with two of its equally odious cousins, it could take over Minnesota's rivers and lakes, squeezing out native species. ...
Apr 22, 2011 |
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Tahoe native fish population declines sharply, invasives on the rise
In a lakewide study, a team of scientists lead by University of Nevada, Reno limnologist Sudeep Chandra has found a considerable decline in native fish species density at Lake Tahoe since 1951. In their final ...
Mar 22, 2011 |
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ESA's sharp eyes on coastal waters
Our growing reliance on coastal waters for food, trade and tourism means that these delicate ecosystems need to be more closely monitored to guarantee their future sustainability.
Feb 09, 2011 |
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Elevated nitrogen and phosphorus still widespread in much of the nation's streams and groundwater
Elevated concentrations of nitrogen and phosphorus, nutrients that can negatively impact aquatic ecosystems and human health, have remained the same or increased in many streams and aquifers across the Nation since the early ...
Sep 27, 2010 |
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Healthy watersheds can sustain water supplies, aquatic ecosystems in a changing climate
The U.S. Forest Service's Pacific Northwest (PNW) Research Station has published a report about the role of forests in the stewardship of water in a changing climate.
Jun 29, 2010 |
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Research finds low oxygen resources in Central New York's Three Rivers system
A unique three-year longitudinal and vertical study of Central New York's Three Rivers system—involving the Oswego, Oneida and Seneca rivers—has revealed that oxygen resources have become degraded by several ...
Apr 29, 2010 |
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Fish food fight: Fish don't eat trees after all, says new study
(PhysOrg.com) -- What constitutes fish food is a matter of debate. A high-profile study a few years ago suggested that fish get almost 50 percent of their carbon from trees and leaves, evidence for a very ...
Nov 24, 2009 |
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Shifting Baselines Confound River Restoration
Steep reductions in the abundance of fish, shellfish, and other aquatic fauna in recent centuries are not restricted to animals that live in the sea: historical records show that species in rivers and lakes worldwide also ...
Sep 01, 2009 |
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Big Advantage for the Small -- Climate change influences the size of marine organisms
The ice is melting, the sea level is rising and species are conquering new habitats. The warming of the world climate has many consequences. In the current issue of the renowned journal 'Proceedings of the ...
Jul 23, 2009 |
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