Humans were present in Florida by 14,000 years ago, and until recently, it was believed the Bahamas—located only a few miles away—were not colonized until about 1,000 years ago. But new findings from a team including ...
Archaeology
Mar 2, 2021
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199
How can conifers that are used for example as Christmas trees keep their green needles over the boreal winter when most trees shed their leaves? Science has not provided a good answer to this question but now an international ...
Plants & Animals
Dec 23, 2020
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90
In the aftermath of megafires that devastated forests of the western United States, attention turns to whether forests will regenerate on their own or not. Forest managers can now look to a newly enhanced, predictive mapping ...
Environment
Dec 19, 2020
5
117
Rome's majestic umbrella pines are as much part of the landscape as the ruins and cobbled streets, but they are under threat from a tiny insect invader—the pine tortoise scale.
Ecology
Dec 6, 2020
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30
Climate change, voracious beetles and disease are imperiling the long-term survival of a high-elevation pine tree that's a key source of food for some grizzly bears and found across the West, U.S. officials said Tuesday.
Ecology
Dec 1, 2020
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3
For the past several weeks, dozens of wildfires have scorched a destructive path across western forests and plains, threatening homes and habitat—as of this week, more than 5 million acres in California, Oregon and Washington ...
Environment
Sep 30, 2020
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6
In the early 2000s, a harvest of pine trees on Tennessee's Cumberland Plateau led to a remarkable discovery. Once sunlight hit the ground, the seeds and rootstock of native grasses and wildflowers that had lain dormant for ...
Ecology
Sep 20, 2020
1
11
Whether they travel only a few metres or tens of kilometres to a new host tree, female pine beetles use different strategies to find success—with major negative consequences for pine trees, according to new research by ...
Ecology
Jul 17, 2020
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7
Climate change is leading to drier conditions in Valais. For around two decades now, many Scots pines in the canton have been dying, in some cases over large areas. The Swiss Federal Institute for Forest, Snow and Landscape ...
Ecology
Jul 16, 2020
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10
As bushfires blackened forests last summer, one tree species was protected by a specialist team of firefighters: the Wollemi pine.
Ecology
Jun 3, 2020
0
5
