News articles tagged with 'ecosystem' (Page 2)
World phosphorous use crosses critical threshold
— 15 Feb 2011 15:51 | EnvironmentRecalculating the global use of phosphorous, a fertiliser linchpin of modern agriculture, a team of researchers warns that the world's stocks may soon be in short supply and that overuse…
Invasive plants can create positive ecological change
— 11 Feb 2011 17:09 | EnvironmentA team of scientists has discovered that human-introduced, invasive species of plants can have positive ecological effects. Tomas Carlo, an assistant professor of biology at Penn State…
Understanding patterns of seafloor biomass
— 9 Feb 2011 17:44 | EnvironmentAnalysis of a comprehensive database has revealed strong links between biological productivity in the surface oceans and patterns of biomass and abundance at the seafloor, helping to…
First crustacean genome is sequenced
— 4 Feb 2011 15:43 | BiologyThe ubiquitous freshwater 'water flea,' Daphnia pulex, may be too small to see, but it has amply proven its value as an 'sentinel species' for the presence of toxins and pollutants…
Home and away: How do invasive plant species dominate native species?
— 1 Feb 2011 19:18 | BiologyInvasive plant species present a serious environmental, economic and social problem worldwide as their abundance can lead to lost native biodiversity and ecosystem functions, such as…
Island-scale study reveals climate-change effects
— 31 Jan 2011 16:16 | EnvironmentA large-scale UC Davis experiment with ants, lizards and seaweed on a dozen Caribbean islands shows that predicting the effects of environmental change on complex natural ecosystems…
Mathematical model could help predict and prevent future extinctions
— 26 Jan 2011 19:25 | EnvironmentIn an effort to better understand the dynamics of complex networks, scientists have developed a mathematical model to describe interactions within ecological food webs. This research,…
Mozart, ventriloqiual frogs sound a note of hope and warning for Haiti's recovery
— 12 Jan 2011 16:46 | BiologyAs the people of Haiti mark a painful anniversary this week and slowly rebuild their earthquake-torn country, scientists from Conservation International (CI) and the Amphibian Specialist…
Species loss tied to ecosystem collapse and recovery
— 10 Jan 2011 18:48 | BiologyThe world's oceans are under siege. Conservation biologists regularly note the precipitous decline of key species, such as cod, bluefin tuna, swordfish and sharks. Lose enough of these…
The ecosystem engineer: Research looks at beavers' role in river restoration
— 4 Jan 2011 22:52 | EnvironmentWhen engineers restore rivers, one Kansas State University professor hopes they'll keep a smaller engineer in mind: the North American beaver…