News tagged with shade trees
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Search results for shade trees
Understanding apples' ancestors
Dec 11, 2009 |
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Wild Malus orientalis -- species of wild apples that could be an ancestor of today's domesticated apples -- are native to the Middle East and Central Asia. A new study comparing the diversity of recently acquir ...
Evolution may take giant leaps
Dec 11, 2009 |
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(PhysOrg.com) -- A new study of thousands of species of plants and animals suggests new species may arise from rare events instead of through an accumulation of small changes made in response to changes in ...
Tropical forests affected by habitat fragmentation store less biomass and carbon dioxide
Dec 09, 2009 |
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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 ...
Low-cost temperature sensors, tennis balls to monitor mountain snowpack
Dec 14, 2009 |
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(PhysOrg.com) -- Fictional secret agent Angus MacGyver knew that tough situations demand ingenuity. Jessica Lundquist takes a similar approach to studying snowfall. The University of Washington assistant professor ...
Old hay and Alpine ibex horns reveal how grasslands respond to climate change
Dec 10, 2009 |
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How do plant ecosystems react to rising concentrations of the greenhouse gas CO2 in the atmosphere over the long term? This fundamental question is becoming increasingly pressing in light of global climate ...
Earliest toothless bird found
Other Sciences / Archaeology & Fossils
Dec 10, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- A new species of bird from the Cretaceous period in China has been identified. It had toothless upper and lower jaws, and provides significant information on the diversification in the evolution ...
Long-Term Effects of Carbon Dioxide on Plants Studied
Dec 09, 2009 |
1.7 / 5 (3) |
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(PhysOrg.com) -- Long-term, open-top chamber studies of how rising carbon dioxide (CO2) could affect crops, forests, and pastures reveal a wide range of impacts, according to Agricultural Research Service ...
Decades-old dioxins pollute river, divide US community
Dec 13, 2009 |
5 / 5 (2) |
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The signs posted along Michigan's Tittabawassee River warning of dangerous dioxin levels don't really worry fisherman David Mitchell.
Experiment to test killing 1 owl to help another
Dec 10, 2009 |
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(AP) -- Scientists want to determine if killing the aggressive barred owl that has invaded old growth forests of the Northwest would help the protected spotted owl.
Kansas scientists probe mysterious possible comet strikes on Earth
Space & Earth / Space Exploration
Dec 14, 2009 |
4.4 / 5 (11) |
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It's the stuff of a Hollywood disaster epic: A comet plunges from outer space into the Earth's atmosphere, splitting the sky with a devastating shock wave that flattens forests and shakes the countryside.
List of search results for shade trees
