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Tropical forests -- Earth's air conditioner
04-09-2007 · EurekAlert!Planting and protecting trees -- which trap and absorb carbon dioxide as they grow -- can help to remove carbon dioxide from the atmosphere. But a new study suggests that, as a way to fight global warming, the effectiveness of this strategy depends heavily on where these trees are planted. In particular, tropical forests are very efficient at keeping the Earth at a happy, healthy temperature.
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Keywords: tropical, forests, earth, air, conditioner, forest
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- Mode of seed dispersal greatly shapes placement of rainforest trees
11-28-2006 · EurekAlert!
The apple might not fall far from the tree, but new research shows that how it falls might be what is most important in determining tree distribution across a forest. This study of the seed dispersal methods of rainforest trees demonstrates that these methods play a primary role in the organization of plant species in tropical forests.
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- Satellite survey links tropical park fires with poverty and corruption
07-09-2007 · EurekAlert!
According to the first global assessment of forest fire control effectiveness in tropical parks, poverty and corruption correlate closely with lack of fire protection in tropical moist forests. A better understanding of the links between corruption, poverty and park management will help conservationists and policy makers create sophisticated strategies to conserve tropical ecosystems.
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- WHRC releases 4 key reports
12-03-2007 · EurekAlert!
As UNFCCC negotiations move towards powerful new mechanisms for compensating tropical countries for their reductions of greenhouse gas emissions from deforestation and forest degradation, important questions remain: How much will REDD cost? Will it benefit forest people? Can forests in chronically cloud-covered countries be accurately monitored? These topics are addressed in four new studies released today by the Woods Hole Research Center in anticipation of the 13th Conference of the Parties of the UNFCCC.
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- Drought sensitivity shapes species distribution patterns in tropical forests
05-14-2007 · EurekAlert!
Looking at a rainforest it's easy to see that there are hundreds of different tropical plant species that inhabit the forest. Although the patterns of plant distributions in tropical forests have been widely studied, the reasonings behind these patterns are not as well known. This study, published in Nature, explores these patterns.A contingent of researchers from around the world, including Panama, Germany, USA and Canada, have uncovered that tropical plant species distribution patterns are linked to the plant’s drought sensitivity.
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- Brazil demonstrating that reducing tropical deforestation is key win-win global warming solution
05-15-2007 · EurekAlert!
Recent studies by Woods Hole Research Center scientists demonstrate that during years of severe drought, tropical rainforest fires can double emissions from tropical forests. Now, an international team of forest and climate researchers has found that halving deforestation rates by mid-century would account for 12 percent of total emissions reductions needed to keep concentrations of heat-trapping gases in the atmosphere at safe levels. This work is profiled in a recent issue of Science.
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- Soil nutrients shape tropical forests, large-scale study indicates
01-11-2007 · EurekAlert!
Tropical forests are among the most diverse plant communities on earth, and scientists have labored for decades to identify the ecological and evolutionary processes that created and maintain them. A key question is whether all tree species are equivalent in their use of resources -- water, light and nutrients -- or whether each species has its own niche.A large-scale study by researchers at the University of Illinois at Urbana-Champaign and eight other institutions sheds some light on the issue.
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- Greenland's ancient forests shed light on stability of ice sheet
07-05-2007 · EurekAlert!
Ice cores drilled from southern Greenland have revealed the first evidence of a surprisingly lush forest that existed in the region within the past million years. The findings from an international study published today in the journal Science suggest that the southern Greenland ice sheet may be much more stable against rising temperatures than previously thought.
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- AGU Journal Highlights -- June 7, 2007
06-08-2007 · EurekAlert!
In this issue: Climate change imperils Venice Lagoon, Bright lights sketch sprites, Eastern Amazon belches methane, Warm waters flood an Arctic shelf, Human influence may strongly accelerate oceanic planetary waves, Volcanoes mechanically interact, Ancient Mediterranean Sea level variation, Evaluating river discharge from space, Air pollutant scrutinized over Japan, Southern Ocean simulation, Energy descends in North Atlantic, Amazon magnetism illuminates early Earth, From neural networks to sea temperature maps, Megadrought in ancient Colorado River basin.
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- Titan's icy climate mimics Earth's tropics
10-02-2007 · EurekAlert!
If space travelers ever visit Saturn's largest moon, they will find a tropical world where temperatures plunge to minus 274 degrees Fahrenheit, methane rains from the sky and dunes of ice or tar cover the planet's most arid regions. These conditions reflect a cold mirror image of Earth's tropical climate, according to scientists at the University of Chicago.
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- Scientists discover new species of distinctive cloud-forest rodent
01-24-2007 · EurekAlert!
A strikingly unusual animal was recently discovered in the cloud-forests of Peru. The large rodent is about the size of a squirrel.The nocturnal, climbing rodent is beautiful yet strange looking, with long dense fur, a broad blocky head and thickly furred tail. A blackish crest of fur on the crown, nape and shoulders add to its distinctive appearance. Two color illustrations of Isothrix barbarabrownae, the bushy rodent, are available to the media.
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