News tagged with plant diversity
Climate change models may underestimate extinctions
Predictions of the loss of animal and plant diversity around the world are common under models of future climate change. But a new study shows that because these climate models don't account for species competition ...
Jan 04, 2012 |
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Estimate of flowering plant species to be cut by 600,000
(PhysOrg.com) -- Scientists from the UK, US and elsewhere have been carrying out a comprehensive assessment of flowering plants and adjusting the estimate of their total number. The new estimate is that there ...
Sep 23, 2010 |
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Climate change may spell demise of key salt marsh constituent
Global warming may exact a toll on salt marshes in New England, but new research shows that one key constituent of marshes may be especially endangered.
Jul 13, 2009 |
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Islands in the sky: How isolated are mountain top plant populations?
Do mountain tops act as sky islands for species that live at high elevations? Are plant populations on these mountain tops isolated from one another because the valleys between them act as barriers, or can ...
Jan 21, 2011 |
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Tropical biodiversity is about the neighbors
Home to jaguars, harpy eagles and red-eyed tree frogs, tropical forests support some of the rarest species on the planet and are the most biodiverse ecosystems on land. Understanding why some species are common ...
Jun 25, 2010 |
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Succulent plants waited for cool, dry Earth to make their mark
The cactus, stalwart of the desert, has quite a story to tell about the evolution of plant communities found the world over.
May 03, 2011 |
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Nature's medicine cabinet could yield hundreds of new drugs
There are probably at least 500 medically useful chemicals awaiting discovery in plant species whose chemical constituents have not yet been evaluated for their potential to cure or treat disease, according to a new analysis ...
Dec 12, 2011 |
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Species accumulate on Earth at slower rates than in the past: study
Computational biologists at the University of Pennsylvania say that species are still accumulating on Earth but at a slower rate than in the past.
Sep 29, 2010 |
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Extinctions, loss of habitat harm evolutionary diversity
A mathematically driven evolutionary snapshot of woody plants in four similar climates around the world has given scientists a fresh perspective on genetic diversity and threats posed by both extinctions and ...
Dec 16, 2010 |
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Brussels plans green EU farming policy
In a radical overhaul of its controversial Common Agricultural Policy (CAP), the EU plans a greener, fairer farm policy by tying subsidies to environmental concerns, according to documents seen by AFP.
Oct 07, 2011 |
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Six times more insects in tropical mountains
How many species of insects exist? Umea University researcher, Genoveva Rodriguez-Castaneda, found that in tropical mountains there are six times more insects than shown in global calculations. The insects ...
Sep 06, 2010 |
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Most plant species important in various and varying ecosystems: study
From the kinds that people sneeze at, to the kinds that have prickly seeds that stick to pant legs, there are many different types of plants in grasslands around the world.
Aug 10, 2011 |
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Peacekeeping creatures help maintain woodland diversity
Common woodland creatures, including woodlice, millipedes and worms, can help ensure the survival of weaker species of woodland fungi, according to new research from Cardiff University.
Sep 20, 2011 |
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Genetics of Arctic plants under serious threat from climate change, study says
A new EU study by a team of Austrian, French and Norwegian researchers has found that rising temperatures as a result of climate change will have differing genetic consequences within single Arctic plant species. ...
Jan 30, 2012 |
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Researcher tracks agricultural overuse of bug-killing technology
High corn prices are leading many growers to plant corn every year and to overuse pesticides and other bug-killing technology to maximize yields, researchers report. In many instances, pesticides are applied ...
Feb 29, 2012 |
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