News tagged with ecological changes
European mountain plant population shows delayed response to climate change
A modeling study from the European Alps suggests that population declines to be observed during the upcoming decades will probably underestimate the long-term effects of recent climate warming on mountain plants. A European ...
May 07, 2012 |
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How the ecological risks of extended bioenergy production can be reduced
For years experts have discussed the ecological impact of the extended cultivation of energy crops. Scientists have now developed a computer model that allows assessing the impacts and comparing the effectiveness ...
Apr 23, 2012 |
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CU research shows warming climate threatens ecology at mountain research site west of Boulder
A series of papers published this month on ecological changes at 26 global research sites -- including one administered by the University of Colorado Boulder in the high mountains west of the city -- indicates ...
Apr 18, 2012 |
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Impact of warming climate doesn't always translate to streamflow
An analysis of 35 headwater basins in the United States and Canada found that the impact of warmer air temperatures on streamflow rates was less than expected in many locations, suggesting that some ecosystems may be resilient ...
Apr 06, 2012 |
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Which plants will survive droughts, climate change?
(PhysOrg.com) -- New research by UCLA life scientists could lead to predictions of which plant species will escape extinction from climate change.
Apr 06, 2012 |
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Scientists forecast forest carbon loss
For more than 30 years, scientists at the Harvard Forest have scaled towers into the forest canopy and measured the trunks of trees to track how much carbon is stored or lost from the woods each year. This treasure trove ...
Apr 06, 2012 |
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Increasing water scarcity in California's Bay-Delta will necessitate trade-offs; 'hard decisions' needed
Simultaneously attaining a reliable water supply for California and protecting and rehabilitating its Bay-Delta ecosystem cannot be realized until better planning can identify how trade-offs between these two goals will be ...
Mar 29, 2012 |
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Study compares growth around Yellowstone, Glacier and other national parks
The land around Yellowstone and Glacier national parks might look like it's filling up with people and houses, but it's nothing compared to the rate of development around some other U.S. national parks, according to a new ...
Mar 29, 2012 |
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Bird ranges shift north, but not as fast as climate
(PhysOrg.com) -- As warmer winter temperatures become more common, one way for some animals to adjust is to shift their ranges northward. But a new study of 59 North American bird species indicates that doing ...
Mar 28, 2012 |
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An early spring drives butterfly population declines
Early snow melt in the Colorado Rocky Mountains initiates two chains of events resulting in population decline in the mormon fritillary butterfly, Speyeria mormonia. One effect of snow melt date was readily detectable, but th ...
Mar 15, 2012 |
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Researchers find African farmers need better climate change data to improve farming practices
Researchers from the University of New Hampshire have found that many African farmers inaccurately perceive changes in climate and rainfall when compared with scientific data, highlighting the need for better ...
Mar 14, 2012 |
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Unexpected crustacean diversity discovered in northern freshwater ecosystems
Freshwater ecosystems in northern regions are home to significantly more species of water fleas than traditionally thought, adding to evidence that regions with vanishing waters contain unique animal life.
Mar 02, 2012 |
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Stark warning emerges from science summit
A stark theme emerged from an annual scientific get-together in Vancouver: the world must be helped to believe in science again or it could be too late to save our planet.
Feb 21, 2012 |
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Does history repeat? Using the past to improve ecological forecasting
To better predict the future, Jack Williams is looking to the past.
Feb 20, 2012 |
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Taking the Earth's pulse: Scientists unveil a new economic and environmental index
A growing world population, mixed with the threat of climate change and mounting financial problems, has prompted University of British Columbia researchers to measure the overall 'health' of 152 countries around the world.
Feb 20, 2012 |
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