News tagged with ecological niche


Tree of life

Evolution may take giant leaps

Biology / Evolution

created Dec 11, 2009 | popularity 4.5 / 5 (28) | comments 36

(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...


Small evolutionary shifts make big impacts, study finds

Small evolutionary shifts make big impacts, study finds

Biology / Evolution

created May 20, 2009 | popularity 4.6 / 5 (8) | comments 0

(PhysOrg.com) -- In the developing fetus, cell growth follows a very specific schedule. In the eye's retina, for example, cones -- which help distinguish color during the day -- develop before the more light-sensitive ...





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African leaf-eating monkeys are 'likely to be wiped out' by climate change

African leaf-eating monkeys are 'likely to be wiped out' by climate change

Biology / Ecology

created Dec 18, 2009 | popularity 3 / 5 (6) | comments 3

(PhysOrg.com) -- Monkey species will become 'increasingly at risk of extinction' because of global warming, according to new research published this week.


Not easy being green

Not easy being green

Space & Earth / Environment

created Dec 18, 2009 | popularity 3 / 5 (2) | comments 0

(PhysOrg.com) -- It was a battle to save a cherished piece of nature from the forces of economic growth. Preservationists formed groups to present their case, and public figures across the country spoke up ...


YouTube music label means all artists are with the bandwidth

Technology / Internet

created Dec 17, 2009 | popularity 4.5 / 5 (2) | comments 0

Craig Benzine had weathered almost 10 years with his band, Chicago-based indie rockers Driftless Pony Club -- self-releasing two albums along the way -- with no luck.


Headwater stream nutrient enrichment disrupts food web

Biology / Ecology

created Dec 17, 2009 | popularity 4.2 / 5 (6) | comments 0

Human activity is increasing the supply of nutrients, such as nitrogen and phosphorus, to stream systems all over the world. The conventional wisdom -- bolstered by earlier research -- has held that these additional nutrients ...


Lost water of the Napa Valley vineyards

Space & Earth / Earth Sciences

created Dec 16, 2009 | popularity 4.3 / 5 (3) | comments 0

Getting the most out of every drop of water is a high priority for grape growers in the southern Napa Valley, where summers are hot and dry and vines have to be irrigated to make it through the growing season. But Stanford ...


Even at sublethal levels, pesticides may slow the recovery of wild salmon populations

Biology / Ecology

created Dec 16, 2009 | popularity not rated yet | comments 0

Biologists determined that short-term, seasonal exposure to pesticides in rivers and basins may limit the growth and size of wild salmon populations. In addition to the widespread deterioration of salmon habitats, these findings ...


Species distribution models are of only limited value for predicting future mammal distributions

Species distribution models are of only limited value for predicting future mammal distributions

Biology / Ecology

created Dec 15, 2009 | popularity 5 / 5 (1) | comments 0

Species distribution models are of only limited use in predicting the future distribution of mammals. This is the finding of a study of the climate niches of 140 indigenous European mammals.


Story of 4.5 million-year-old whale unveiled in Huelva

Story of 4.5 million-year-old whale unveiled in Huelva

Other Sciences / Archaeology & Fossils

created Dec 15, 2009 | popularity 4.3 / 5 (3) | comments 0

In 2006, a team of Spanish and American researchers found the fossil remains of a whale, 4.5 million years old, in Bonares, Huelva. Now they have published, for the first time, the results of the decay and ...


Fossils on the Edge of Forever

Fossils on the Edge of Forever

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 4.9 / 5 (11) | comments 0

Astrobiologists have not yet found alien life on other planets. But the fossil record has evidence of aliens of another sort: the Ediacarans that lived on Earth millions of years ago.


Physics rules network dynamics

Physics rules network dynamics

Physics / General Physics

created Dec 11, 2009 | popularity 4.7 / 5 (21) | comments 0

(PhysOrg.com) -- When it comes to the workings of the Web, the brain, or a social network, physics finds universal truths.



List of search results for ecological niche