News tagged with national forest
Follow the money: Wealth, population are key drivers of invasive species
A new study of biological invasions in Europe found they were linked not so much to changes in climate or land cover, but to two dominant factors - more money and more people.
Jun 07, 2010 |
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Saving rainforests may help reduce poverty
A new study shows that saving rainforests and protecting land in national parks and reserves reduced poverty in two developing countries, according to research by a Georgia State University professor.
May 25, 2010 |
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Policy changes needed to protect southeast Mexico's farmers, forests
(PhysOrg.com) -- If it is to ensure a bright future for Campeche farmers and the tropical forests surrounding them, the Mexican government must institute new policies that are more responsive to economic and ...
Apr 27, 2010 |
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Giant Sequoias Yield Longest Fire History from Tree Rings
(PhysOrg.com) -- California's western Sierra Nevada had more frequent fires between 800 and 1300 than at any time in the past 3,000 years, according to a new study led by Thomas W. Swetnam, director of UA's ...
Mar 17, 2010 |
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Small family farms in tropics can feed the hungry and preserve biodiversity
Conventional wisdom among many ecologists is that industrial-scale agriculture is the best way to produce lots of food while preserving biodiversity in the world's remaining tropical forests. But two University of Michigan ...
Feb 22, 2010 |
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Fog has declined in past century along California's redwood coast
California's coastal fog has decreased significantly over the past 100 years, potentially endangering coast redwood trees dependent on cool, humid summers, according to a new study by University of California, Berkeley, scientists.
Space & Earth / Earth Sciences
Feb 15, 2010 |
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Biologist solves mystery of tropical grasses' origin
Around 30 to 40 million years ago, grasses on Earth underwent an epic evolutionary upheaval. An assemblage capitalized on falling levels of atmospheric carbon dioxide by engineering an internal mechanism to concentrate the ...
Feb 08, 2010 |
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Ecologists discover forests are growing faster
Speed is not a word typically associated with trees; they can take centuries to grow. However, a new study to be published the week of Feb. 1 in the Proceedings of the National Academy of Sciences has found evidence that f ...
Feb 01, 2010 |
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First phase of pan-tropical forest mapping debuting at COP15
Tropical forest loss accounts for an estimated 17% of global emissions of carbon dioxide. As part of a strategy to reduce these greenhouse gas fluxes to the atmosphere, the UNFCCC's Conference of the Parties 15 in Copenhagen ...
Dec 10, 2009 |
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Novel carbon-trading scheme could stop large-scale extinctions
A new strategy for saving tropical forest species was published in the leading journal Science on the eve of the United Nations Framework Convention on Climate Change in Copenhagen, Denmark, by a team of researchers, includ ...
Dec 03, 2009 |
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World forest observatory needed to monitor vital role of forests in climate deal
A new scientific organisation is needed to monitor the commitments that will be made by developing countries at Copenhagen to cut their deforestation rates, according to research at the University of Leeds.
Nov 30, 2009 |
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Wolves, moose and biodiversity: An unexpected connection
Moose eat plants; wolves kill moose. What difference does this classic predator-prey interaction make to biodiversity?
Nov 02, 2009 |
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Large trees declining in Yosemite
Large trees have declined in Yosemite National Park during the 20th century, and warmer climate conditions may play a role.
Jul 29, 2009 |
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Greater Yellowstone elk suffer worse nutrition and lower birth rates due to wolves
(PhysOrg.com) -- Wolves have caused elk in the Greater Yellowstone Ecosystem to change their behavior and foraging habits so much so that herds are having fewer calves, mainly due to changes in their nutrition, ...
Jul 15, 2009 |
4 / 5 (4) |
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Ferns took to the trees and thrived
(PhysOrg.com) -- As flowering plants like giant trees quickly rose to dominate plant communities during the Cretaceous period, the ferns that had preceded them hardly saw it as a disappointment.
Jul 02, 2009 |
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