Clearcutting and wildfires decimated the red spruce, once the dominant, high-elevation tree species in West Virginia, in the late 1800s and early 1900s. Nowadays, only 10% of the state's historic red spruce coverage remains ...
Plants & Animals
Aug 3, 2022
0
95
A new study from scientists at Uppsala University shows that it took more than 10 millennia from when the first spruces returned to Sweden after the glacial stage of the last Ice Age until the species became widespread. This ...
Ecology
Apr 11, 2022
0
708
A new study, published in the Proceedings of the National Academy of Sciences (PNAS), finds that black spruce trees—a key species on the boreal landscape for millennia—are losing their resilience and capacity to regenerate ...
Ecology
Oct 25, 2021
1
233
Researchers have successfully mapped the entire genome of the Eurasian spruce bark beetle. The breakthrough paves the way for new research into bark beetles and better prospects for effective pest control of a species that ...
Plants & Animals
Sep 29, 2021
0
66
Recent research into a group of giant evergreens is helping scientists better understand why some trees are able to survive in the face of insect pests, and could help foresters breed trees with the resistance necessary to ...
Ecology
Jul 13, 2021
0
3
Many plants can easily be regenerated and multiplied using cuttings. Crucial is that the cutting can initiate the formation of roots, a process called adventitious rooting. Sanaria Abbas Jaafer Alallaq showed in her Ph.D. ...
Plants & Animals
Jun 1, 2021
0
6
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
Bark beetle outbreaks and wildfire alone are not a death sentence for Colorado's beloved forests—but when combined, their toll may become more permanent, shows new research from the University of Colorado Boulder.
Plants & Animals
Feb 8, 2021
0
19
In Finland, the majority of the glacial and warm interval records have been interpreted to represent only the last, Weichselian, glacial cycle that took place 11,700–119,000 years ago. Finnish researchers have now revised ...
Earth Sciences
Dec 7, 2020
0
13
