Eurasian spruce bark beetles (Ips typographus) burrow into the bark of Norway spruce (Picea abies) trees where they mate and lay their eggs. Major outbreaks in Europe have decimated millions of hectares of conifer forests. ...
Plants & Animals
Feb 21, 2023
0
121
Yellowstone National Park is famous for harsh winters but a new study shows summers are also getting harsher, with August 2016 ranking as one of the hottest summers in the last 1,250 years.
Earth Sciences
May 20, 2021
5
231
When trees die during a period of drought, they die of thirst. Researchers from the University of Basel have demonstrated in a field study that a rapid collapse in the hydraulic system is responsible for tree death. And they ...
Plants & Animals
Apr 13, 2021
1
984
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
0
47
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
1
873
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
0
71
The peat bogs of the world, once waterlogged repositories of dead moss, are being converted into fuel-packed fire hazards that can burn for months and generate deadly smoke, warns a McMaster researcher who documents the threat—and ...
Environment
Jun 27, 2016
0
193
Examining a long-lived forest, researchers have found that Black Spruce trees, which dominate the northern forests of North America, succumb about five years after being weakened by environmental stresses. Without rejuvenating ...
Environment
Oct 2, 2013
0
1
It is well known that more and more plastic waste is ending up in soil and bodies of water. Researchers are particularly concerned about tiny micro- and nano-sized particles. It remains unclear how and to what extent they ...
Nanomaterials
Aug 29, 2024
0
16
Deep in the Finnish woods, the moss and blueberry shrubs hide a deadly threat to the boreal forests that are as important to the planet as the Amazon rainforest.
Ecology
Dec 5, 2022
0
11
