|
|
Article: Studies from Princeton University reveal new findings on ecology.
- Article from:
- Ecology, Environment & Conservation
- Article date:
- November 20, 2009
CopyrightCOPYRIGHT 2009 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
|
" Savanna ecosystems - defined by the coexistence of trees and grasses - cover more than one-fifth the world's land surface and harbour most of the world's rangelands, livestock and large mammal diversity. Savanna trees can have a variety of effects on grasses, with consequences for the wild and domestic herbivores that depend on them," scientists in the United States report.
"Studies of these effects have focused on two different spatial scales. At the scale of individual trees, many studies have shown net positive effects of trees on sub-canopy grass nutrient concentrations and biomass. At the landscape scale, other studies have shown negative effects of high ...
Related newspaper, magazine, and journal articles:
|
|
Article: Research from Princeton University in the area of ...
Ecology, Environment & Conservation;
October 23, 2009 ;
700+ words
... ... information, contact A.C. Staver, Princeton University, Dept. of Ecology & Evolutionary Biology ... DC 20036, USA. Keywords: Ecology, Princeton University. This article was prepared by Ecology, Environment & Conservation ...
|
|