News tagged with terrestrial ecosystems
Ancient plant-fungal partnerships reveal how the world became green
Prehistoric plants grown in state-of-the-art growth chambers recreating environmental conditions from more than 400 million years ago have shown scientists from the University of Sheffield how soil dwelling fungi played a ...
May 15, 2012 |
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Hot-spring fossils preserve complete Jurassic ecosystem
Scientists are uncovering a beautifully-preserved ecosystem from around a Jurassic hot spring, helping fill a gap in the fossil record of more than 300 million years.
Other Sciences / Archaeology & Fossils
Mar 02, 2012 |
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Rapid rise in wildfires in large parts of Canada?
Large forest regions in Canada are apparently about to experience rapid change. Based on models, scientists can now show that there are threshold values for wildfires just like there are for epidemics. Large ...
Dec 16, 2011 |
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Land animals, ecosystems walloped after Permian dieoff
The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ...
Space & Earth / Earth Sciences
Oct 26, 2011 |
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Worms among first animals to surface after K-T extinction event, study finds
A new study of sediments laid down shortly after an asteroid plowed into the Gulf of Mexico 65.5 million years ago, an event that is linked to widespread global extinctions including the demise of big dinosaurs, ...
Other Sciences / Archaeology & Fossils
Oct 11, 2011 |
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Why are orchids so successful?
In terms of diversity, orchids are one of the most successful groups of flowering plants, with over 22,000 species. Both pollinating animals and mycorrhizal fungi are believed to have been important in the ...
Sep 13, 2011 |
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Look, up in the sky - it's Aeroecology
There are ecologists who study land, and ecologists who study the ocean -- but who looks up and studies the air that circles the entire planet? Until recently, not many.
Aug 24, 2011 |
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Breaking down cellulose without blasting lignin
Feared by realtors and homeowners alike, dry rot due to the fungus Serpula lacrymans causes millions of dollars worth of damage to homes and buildings around the world. This brown rot fungus' capacity to bre ...
Jul 14, 2011 |
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Mercury on the rise in endangered Pacific seabirds
Using 120 years of feathers from natural history museums in the United States, Harvard University researchers have been able to track increases in the neurotoxin methylmercury in the black-footed albatross (Phoebastria ni ...
Apr 18, 2011 |
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Carbon sequestration estimate in US increased -- barring a drought
A research group has concluded that forests and other terrestrial ecosystems in the lower 48 states can sequester up to 40 percent of the nation's fossil fuel carbon emissions, a larger amount than previously ...
Apr 14, 2011 |
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Fossil bird study describes ripple effect of extinction in animal kingdom
(PhysOrg.com) -- A University of Florida study demonstrates extinction's ripple effect through the animal kingdom, including how the demise of large mammals 20,000 years ago led to the disappearance of one ...
Other Sciences / Archaeology & Fossils
Mar 07, 2011 |
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New explanation for the origin of high species diversity
An international team of scientists have reset the agenda for future research in the highly diverse Amazon region by showing that the extraordinary diversity found there is much older than generally thought.
Nov 11, 2010 |
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Sharks and wolves: Predator, prey interactions similar on land and in oceans
There may be many similarities between the importance of large predators in marine and terrestrial environments, researchers concluded in a recent study, which examined the interactions between wolves and ...
Nov 10, 2010 |
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Listening to Earth breathe through 500 towers
It takes a global village to monitor and analyze trends in Earth's "breathing" -- or the exchange of carbon dioxide, water vapor and energy between vegetation on the ground and the planet's atmosphere.
Space & Earth / Earth Sciences
Aug 19, 2010 |
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Breath of the Earth: Cycling carbon through terrestrial ecosystems
Two recent international studies are poised to change the way scientists view the crucial relationship between Earth's climate and the carbon cycle. These reports explore the global photosynthesis and respiration ...
Space & Earth / Earth Sciences
Jul 05, 2010 |
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