In 10% of forests in central Europe, trees lost some or all of their leaves too early in the dry summer of 2018. This is shown by calculations and satellite image analyzes of the Swiss Federal Institute for Forest, Snow and ...
Environment
Nov 2, 2020
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6
When southern Rocky Mountain forests are viewed from a distance these days, it may not look like much is left. Large swaths of dead, standing Engelmann spruce trees tell the tale of a severe regional spruce beetle epidemic ...
Ecology
Oct 15, 2020
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47
Storms, fires, bark beetles: Many forests around the world are increasingly affected by these and other natural disturbances. It is common practice to eliminate the consequences of these disturbances—in other words, to ...
Environment
Sep 23, 2020
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12
The warm, dry summer of 2018 has left clear traces in various ecosystems. ETH Zurich researchers have found that if the climate continues to warm up, higher altitudes can also expect negative consequences in the future.
Ecology
Sep 7, 2020
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22
Two words, and a tiny little creature, strike fear in the hearts of many Colorado outdoor enthusiasts: bark beetle. But new research from University of Colorado Boulder reveals that even simultaneous bark beetle outbreaks ...
Ecology
Feb 14, 2020
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5
These days, smoke-filled summer skies and dusky red sunsets are a common occurrence across Canada and the United States. Much of that smoke is coming from large northern wildfires.
Earth Sciences
Aug 30, 2019
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16
The towering, hundred-year-old Sitka spruce trees growing in the heart of Vancouver Island's Carmanah Valley appear placid and unchanging.
Evolution
Jul 8, 2019
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873
The tale of the tortoise and the hare is being retold. In Alaska's far north, it's become the race of the white spruce tree and the snowshoe hare.
Environment
Feb 28, 2018
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25
How do trees adjust to the effects of global warming? EPFL researchers have studied how beech and spruce trees – two of the most common plant species in Europe – react to changing temperatures. And they discovered that ...
Environment
Nov 20, 2017
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37
Female squirrels who align their reproduction to take advantage of food-rich years and align have more pups that survive to maturity, according to new research from UAlberta biologists
Ecology
Aug 24, 2017
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