Extermination of dingoes and the consequent loss of small mammals - not just overgrazing by livestock - have led to a rapid spread of woody shrubs across semi-arid Australia, a new study shows.
Ecology
Dec 5, 2016
0
200
As the desert Southwest becomes hotter and drier, semi-arid grasslands are slowly being replaced by a landscape dominated by mesquite trees, such as Prosopis velutina, and other woody shrubs, a team of University of Arizona ...
Ecology
Mar 18, 2012
13
0
(PhysOrg.com) -- Wolves have caused elk in the Greater Yellowstone Ecosystem to change their behavior and foraging habits so much so that herds are having fewer calves, mainly due to changes in their nutrition, according ...
Plants & Animals
Jul 15, 2009
2
0
The global spread of native trees and shrubs into open grazing land and abandoned farms can bring unexpected environmental and economic benefits, a major new international study has found.
Ecology
Jun 1, 2011
0
0
North American bison adjust their diet seasonally in order to take full advantage of the growing season when grasses become less nutritious, a new study led by researchers at the University of Colorado Boulder has discovered.
Ecology
Nov 25, 2015
0
26
Pollinators serve a great purpose in helping pollinate plants and vegetables alike during many months of the year. Although wildflowers returned post-freeze, and many plants are beginning to show life again, most flowering ...
Plants & Animals
Apr 7, 2021
0
9
For nearly two decades, scientists have noted dramatic changes in arctic tundra habitat. Ankle-high grasses and sedges have given way to a sea of woody shrubs growing to waist- or neck-deep heights. This shrubification of ...
Environment
Mar 6, 2018
0
17
Ecologist Dirac Twidwell wants to change the way we think about prescribed burns.
Environment
Aug 1, 2016
0
14
(PhysOrg.com) -- The arid conditions in the southwestern United States make restoring degraded rangelands extremely difficult, but a U.S. Department of Agriculture (USDA) scientist has found a way to help native grasses survive ...
Ecology
Jan 12, 2012
0
0
Scientists with the U.S. Department of Agriculture's Agricultural Research Service (ARS) and the University of Montana have developed a way to forecast which of the Great Basin's more than 60 million acres have the highest ...
Earth Sciences
Sep 21, 2022
0
5
