News tagged with forest trees

Changing climate prompts boreal forest shift

With warming summer temperatures across Alaska, white spruce tree growth in Interior Alaska has declined to record low levels, while the same species in Western Alaska is growing better than ever measured ...

dateJun 11, 2015 in Environment
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When trees aren't 'green'

Most of us don't consider forests a source of pollution. As natural bodies, they should be good for the environment. But a recent study in Japan shows that older cedar and cypress plantations are causing ...

dateJun 10, 2015 in Environment
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Predicting tree mortality

A combination of drought, heat and insects is responsible for the death of more than 12 million trees in California, according to a new study from UC Santa Barbara's National Center for Ecological Analysis ...

dateJun 09, 2015 in Environment
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Study reveals how eastern US forests came to be

Plant hunters traveling between North America and Asia in the 1800s noticed a bizarre pattern: collections they brought back from China and Japan were strikingly similar in their leaves, flowers and fruits ...

dateMay 20, 2015 in Ecology
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Forest canopies buffer against climate change

When temperatures rise and less water falls, forests respond. Forest canopies can buffer juvenile trees from drought and heat by providing shade for the younger trees below the leaf and needle cover. Adult trees have deep ...

dateApr 29, 2015 in Environment
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NASA/Forest Service maps aid fire recovery

New maps of two recent California megafires that combine unique data sets from the U.S. Forest Service and NASA's Jet Propulsion Laboratory in Pasadena, California, are answering some of the urgent questions ...

dateApr 13, 2015 in Earth Sciences
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Drought damage leads to widespread forest death

The 2000-2003 drought in the American southwest triggered a widespread die-off of forests around the region. A Carnegie-led team of scientists developed a new modeling tool to explain how and where trembling ...

dateMar 30, 2015 in Environment
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Forest tree seeds stored in the Svalbard seed vault

A new method for the conservation of the genetic diversity of forest trees will see its launch on 26 February 2015, as forest tree seeds are for the first time stored in the Svalbard Global Seed Vault on the Spitsbergen Island, ...

dateFeb 26, 2015 in Ecology
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