(Phys.org) —A fresh look at the environmental impacts of dams on an ecologically diverse and partially protected river in China found that small dams can pose a greater threat to ecosystems and natural landscapes than large ...
Environment
May 29, 2013
1
0
A comprehensive five-year study by University of Calgary ecologists – which included monitoring the activity of wolves, elks, cattle and humans – indicates that two accepted principles of how ecosystems naturally operate ...
Ecology
May 8, 2013
3
0
Scientists have developed a new Red List system for identifying ecosystems at high risk of degradation, similar to the influential Red List for the world's threatened species.
Ecology
May 8, 2013
0
0
(Phys.org) —That human land use destroys natural ecosystems is an oft-cited assumption in conservation, but ecologists have discovered that instead, traditional ranching techniques in the African savanna enhance the local ...
Ecology
May 1, 2013
0
0
Australian citizens can become more involved in planning their cities with wildlife in mind thanks to a new tool developed by researchers at the ARC Centre of Excellence for Environmental Decisions (CEED).
Environment
Apr 29, 2013
0
0
The Orinoco River flows from the Andes in Colombia to the Atlantic in Venezuela. The area of the basin includes landscapes of the Andes, plains of the Llanos and the Guiana shield. Orinoco's tributary rivers form a basin ...
Ecology
Mar 12, 2013
0
0
Marsh plants, far from being passive wallflowers, are "secret gardeners" that actively engineer their landscape to increase their species' odds of survival, says a team of scientists from Duke University and the University ...
Ecology
Feb 13, 2013
0
0
(AP)—Scientists in Zimbabwe say a fresh water crayfish brought from Australia is breeding out of control in the northern Lake Kariba, devouring the food sources of other fish and putting the nation's entire aquatic ecosystem ...
Ecology
Feb 12, 2013
0
0
The semi-aquatic earthworms in the genus Glyphidrilus are somewhat unfamiliar species that live between the terrestrial and freshwater ecosystems of rivers, streams, canals, ponds, swamps and paddy systems. Remarkably, each ...
Plants & Animals
Feb 6, 2013
0
0
Is it possible to put a price tag on the natural world? A researcher at The University of Nottingham has been examining the rise of a new concept—ecosystem services—to describe the multitude of resources supplied to us ...
Environment
Jan 24, 2013
0
0
