News tagged with aquatic plants
Gold rush hurts aquatic life
Gold prospectors chasing $1,600-an-ounce flecks in river bottoms east of Charlotte also might be sucking life out of the streams, experts say.
Nov 06, 2011 |
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Herbivorous fish like eating meat
The grass carp, thought to be a strict vegetarian, seems to have a preference for amphipoda. NWO researcher Liesbeth Bakker made this discovery during her research into the food preferences of fish. The discovery ...
Oct 19, 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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Scientists document aquatic species decline at dams and weirs
Dams and weirs have a stronger impact on the ecosystem of watercourses than was previously realized. Species diversity in the dammed area upstream of weirs shows a significant decline: the diversity of fish species is one-quarter ...
Sep 14, 2011 |
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New gene discovered: Sheds light on the evolution of life on Earth
A chance discovery of a genetic mutation in wild barley that grows in Israel's Judean Desert, in the course of a doctoral study at the University of Haifa, has led to an international study deciphering evolution of life on ...
Jul 25, 2011 |
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Parasitoid wasps protect lettuce and celery from pests
Scientists have found that a native British parasitoid wasp has been found to be very effective at controlling the shore flies that infest lettuce and celery greenhouses, damaging crops and annoying farmers.
Jul 05, 2011 |
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How plants drove animals to the land
(PhysOrg.com) -- A new study of ancient oxygen levels presents the first concrete evidence that after aquatic plants evolved and boosted the levels of oxygen aquatic life exploded, leading to fierce competition ...
Other Sciences / Archaeology & Fossils
Sep 30, 2010 |
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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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Potomac River: 10-fold increase in native submerged vegetation reflects improved water quality
The Potomac River in Washington, D.C. is showing multiple benefits from restoration efforts, newly published research suggests. Reduced nutrients and improved water clarity have increased the abundance and diversity of submerged ...
Sep 07, 2010 |
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Research makes lake and stream conservation more effective
Michigan State University scientists have developed a pioneering, comprehensive approach that makes conserving and managing freshwater lakes, streams and wetlands more integrated and effective.
Jun 02, 2010 |
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Scientists release biocontrol for water hyacinth
A new insect that will help control the invasive weed waterhyacinth has been released by Agricultural Research Service (ARS) scientists and cooperators.
May 18, 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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Probing Question: Why did mammals survive the 'K/T extinction'?
Picture a dinosaur. Huge, menacing creatures, they ruled the Earth for nearly 200 million years, striking fear with every ground-shaking stride. Yet these great beasts were no match for a 6-mile wide meteor ...
Jan 28, 2010 |
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Impact of eucalyptus plantations on the ecology of rivers
For more than twenty years this team has been trying to identify links between the ecology and functioning of rivers and the surrounding terrestrial environment because, when all is said and done, rivers are like the excretory ...
Jan 14, 2010 |
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Kew botanists discover more than 250 new plant species in 250th anniversary year
Giant rainforest trees, rare and beautiful orchids, spectacular palms, minute fungi, wild coffees and an ancient aquatic plant are among more than 250 new plant and fungi species discovered and described by botanists from ...
Dec 22, 2009 |
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