News tagged with habitat fragments
Chromosome analyses of prickly pear cacti reveal southern glacial refugia
Analysis of chromosome number variation among species of a North American group of prickly pear cacti (nopales) showed that the most widespread species encountered are of hybrid origin. Those widespread species ...
Feb 14, 2012 |
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Butterflies: 'Twice-punished' by habitat fragmentation and climate change
New findings by Virginie Stevens (CNRS), Jean Clobert (CNRS), Michel Baguette (Museum National d'Histoire Naturelle) and colleagues show that interactions between dispersal and life-histories are complex, ...
Dec 09, 2011 |
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Solar power development in US Southwest could threaten wildlife
Government agencies are considering scores of applications to develop utility-scale solar power installations in the desert Southwest of the United States, but too little is known to judge their likely effects on wildlife, ...
Dec 09, 2011 |
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Biodiversity can promote survival on a warming planet
Whether a species can evolve to survive climate change may depend on the biodiversity of its ecological community, according to a new mathematical model that simulates the effect of climate change on plants ...
Nov 04, 2011 |
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Loss of large predators has caused widespread disruption of ecosystems
(PhysOrg.com) -- The decline of large predators and other "apex consumers" at the top of the food chain has disrupted ecosystems all over the planet, according to a review of recent findings conducted by an ...
Jul 19, 2011 |
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Spiders suffer from human impact
Researchers from the King Juan Carlos University (URJC) have carried out a research study published in Biological Conservation, which looked at whether spiders were more tolerant of human impact than other ...
May 20, 2011 |
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Planting trees arrests koala decline, study finds
(PhysOrg.com) -- University of Sydney researchers have gained a rare insight into the habits of koalas, discovering simple tree planting may be the solution to expanding their habitat and allowing their populations ...
May 02, 2011 |
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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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Rainforest collapse drove reptile evolution
(PhysOrg.com) -- Global warming devastated tropical rainforests 300 million years ago. Now scientists report the unexpected discovery that this event triggered an evolutionary burst among reptiles -- and ...
Space & Earth / Earth Sciences
Nov 29, 2010 |
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Climate change forcing a 'move it or lose it' approach to species conservation?
What does it take to save a species in the 21st century? The specter of climate change, with predicted losses to biodiversity as high as 35 percent, has some scientists and managers considering taking their conservation strategies ...
Oct 01, 2010 |
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For pandas, there is a mountain high enough, there is a valley low enough
Genetic analysis of giant pandas has shown that features of their landscape have a profound effect on the movement of genes within their population. Researchers writing in the open access journal BMC Genetics found ...
Jul 22, 2010 |
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Solar panels can attract breeding water insects
Solar power might be nature's most plentiful and benign source of energy, but shiny black solar cells can lure water insects away from critical breeding areas, a Michigan State University scientist and colleagues ...
May 27, 2010 |
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Fragmented forests result in more snakes, fewer birds
About half of all bird nests don't survive due to predators, particularly in fragmented forest areas, but why? University of Illinois researchers monitored both the prey and predator to find an answer.
May 04, 2010 |
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Rattlesnakes sound warning on biodiversity and habitat fragmentation
Like the canary in the coal mine, the timber rattlesnake may be telling us something about the environment we share.
Apr 21, 2010 |
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Tropical forests affected by habitat fragmentation store less biomass and carbon dioxide
Deforestation in tropical rain forests could have an even greater impact on climate change than has previously been thought. The combined biomass of a large number of small forest fragments left over after ...
Dec 09, 2009 |
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