A Colorado State University experiment spanning more than two decades has found that removal of apex predators from an ecosystem can create lasting changes that are not reversed after they return—at least, not for a very ...
Plants & Animals
Feb 6, 2024
0
323
Introduction of nonnative lake trout in Yellowstone Lake has affected organisms from the microscopic level in the lake to large animals in the region, according to newly published research.
Ecology
Mar 20, 2019
1
1210
(AP) -- A utility company preparing to build a new substation in an arid canyon southeast of Los Angeles has stumbled on a trove of animal fossils dating back 1.4 million years that researchers say will fill in blanks in ...
Paleontology & Fossils
Sep 21, 2010
0
0
An international team of researchers led by the University of Adelaide, suggest a change in climate is the likely cause of the mysterious disappearance of ancient lions and bears from parts of North America for a thousand ...
Ecology
Jan 4, 2022
0
464
Every spring, tens of thousands of elk follow a wave of green growth up onto the high plateaus in and around Yellowstone and Grand Teton national parks, where they spend the summer calving and fattening on fresh grass. And ...
Ecology
Jun 14, 2019
0
200
There's no shortage of controversy surrounding the British Columbia government's decision to stop the grizzly bear trophy hunt.
Ecology
Sep 18, 2017
1
26
Grizzly bears spend many months in hibernation, but their muscles do not suffer from the lack of movement. In the journal Scientific Reports, a team led by Michael Gotthardt reports on how they manage to do this. The grizzly ...
Plants & Animals
Dec 30, 2019
1
200
A UBC Okanagan researcher is suggesting changes to fur trapping practices to help prevent the accidental amputation of grizzly bear toes.
Plants & Animals
Aug 25, 2022
0
16
In northern Yellowstone National Park, saplings of quaking aspen, an ecologically important tree in the American West, are being broken by a historically large bison herd, affecting the comeback of aspen from decades of over-browsing ...
Plants & Animals
Aug 29, 2023
0
129
Will polar bears survive in a warmer world? UCLA life scientists present new evidence that their numbers are likely to dwindle.
Plants & Animals
Nov 24, 2010
16
0
