News tagged with aquatic ecosystems
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Search results for aquatic ecosystems
World's water ecosystems under threat
Sep 11, 2008 |
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(PhysOrg.com) -- Human activities such as fishing and water use are over-riding the effects of global warming on the ecosystems that support the world’s water and fish supplies, experts have revealed.
Study assesses impact of fish stocking on aquatic insects
Mar 26, 2009 |
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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.
Slight changes in climate may trigger abrupt ecosystem responses
Jan 16, 2009 |
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Some of these responses, including insect outbreaks, wildfire, and forest dieback, may adversely affect people as well as ecosystems and their plants and animals.
Researchers call for nitrogen and phosphorus reductions to combat eutrophication in aquatic systems
Feb 19, 2009 |
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An international group of scientists is renewing calls for policymakers to reduce both nitrogen and phosphorus when attempting to alleviate eutrophication - or nutrient pollution problems - in fresh and coastal waters. In ...
Study first to show evolution's impact on ecosystems
Apr 01, 2009 |
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Scientists have come to agree that different environments impact the evolution of new species. Now experiments conducted at the University of British Columbia are showing for the first time that the reverse is also true.
Organic soils continue to acidify despite reduction in acidic deposition
Jan 12, 2009 |
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Following the Clean Air Act Amendments of 1970 and 1990 acidic deposition in North America has declined significantly since its peak in 1973. Consequently, research has shifted from studying the effects of acidic deposition ...
Alpine lakes beginning to show effects of climate change
Aug 26, 2008 |
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A recent study forecasts that increased climatic variability poses serious consequence for both the biodiversity and ecosystem function of high-elevation lakes.
New model predicts hot spots for mercury in fish
Dec 01, 2008 |
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Mercury levels in fish are prompting widespread consumption advisories and uncertainty among consumers over which species are safe to eat. Now researchers at North Carolina State University have developed a model that will ...
Traces of pharmaceuticals found in central Indiana waterways
Oct 20, 2009 |
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(PhysOrg.com) -- Pharmaceuticals have been found in freshwater ecosystems in rural areas of central Indiana, says a new study from Ball State University.
Most polluted ecosystems recoverable, study says
May 27, 2009 |
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Most polluted or damaged ecosystems worldwide can recover within a lifetime if societies commit to their cleanup or restoration, according to an analysis of 240 independent studies by researchers at the Yale School of Forestry ...
List of search results for aquatic ecosystems
