Nonnative species can affect the biogeochemistry of an ecosystem. For instance, Pacific salmon have been introduced as a sport fishery in many streams and lakes beyond their native range, but their introduction may be altering ...

Biology - Ecology

Apr 05, 2013 not rated yet 0

(Phys.org)—A team of researchers with members from several countries around the world, and led by Chinese agriculturalist Fusuo Zhang has found that nitrogen deposition over China has increased by over ...

Space & Earth - Environment

Feb 21, 2013 4.7 / 5 (3) 3 |

A research team involving several scientists from the University of Colorado Boulder has found an unexpected silver lining in the devastating pine beetle outbreaks ravaging the West: Such events do not harm water quality ...

Biology - Ecology

Jan 14, 2013 5 / 5 (2) 1 |

(Phys.org)—Researchers at Oregon State University for the first time have confirmed some of the mechanisms by which overfishing and nitrate pollution can help destroy coral reefs – it appears they allow ...

Space & Earth - Environment

Sep 19, 2012 5 / 5 (4) 0 |

Several studies have shown that a lack of nitrogen in soils adversely affects crop yields. The modern use of nitrogen fertilizers has improved yields to meet expanding global food demand, but in some cases ...

Biology - Plants & Animals

Jun 01, 2012 not rated yet 0

Past disturbances, such as logging, can obscure the effects of climate change on forest ecosystems. So reports a study just published in the Proceedings of the National Academy of Sciences. The paper, explor ...

Space & Earth - Environment

Mar 05, 2012 5 / 5 (4) 0

Scientists have succeeded in detecting and analyzing a new atmospheric molecule whose existence has long been suspected but never proved.

Space & Earth - Earth Sciences

Jan 16, 2012 5 / 5 (8) 4

Intensive agriculture practices developed during the past century have helped improve food security for many people but have also added to nitrate pollution in surface and groundwaters. New research has looked at water quality ...

Space & Earth - Environment

Dec 19, 2011 5 / 5 (1) 0

Changes in the ratio of nitrate to phosphorus in the oceans off the coasts of Korea and Japan caused by atmospheric and riverine pollutants may influence the makeup of marine plants and influence marine ecology, according ...

Space & Earth - Environment

Sep 22, 2011 4.5 / 5 (4) 1 |

Eutrophication harms the environment in many ways. Unexpectedly, nitrogen fertilizer may also be positive for the environment. And even acidic soils, promoting the destruction of forests, can have a positive ...

Space & Earth - Environment

Aug 19, 2011 4 / 5 (1) 0 |

Biologically diverse streams are better at cleaning up pollutants than less rich waterways, and a University of Michigan ecologist says he has uncovered the long-sought mechanism that explains why this is ...

Biology - Ecology

Apr 06, 2011 5 / 5 (2) 0 |

Jitendra Kumar Chinthaginjala of the University of Twente, The Netherlands, has developed a catalyst that can efficiently remove nitrite and nitrate from drinking water. These two toxic substances are increasingly found in ...

Chemistry - Materials Science

Jun 18, 2010 5 / 5 (4) 0

Their numbers continue to expand. They are spreading throughout the Caribbean Sea. Eradication appears almost impossible. Even limited amounts of control will be extremely difficult, and right now the best ...

Biology - Ecology

Apr 19, 2010 4.9 / 5 (9) 8 |

Humans and farm animals were known to emit harmful greenhouse gases through digestion, but German researchers said Tuesday that aquatic worms and bugs are also culprits, releasing laughing gas.

Space & Earth - Environment

Mar 03, 2009 2.3 / 5 (10) 7