Browse News Stories
291 to 300 of 307 stories
view headlines only
-
Trees Encroaching Grasslands May Lock Up Less Carbon Than Predicted
August 9, 2002 The woody trees and shrubs now "invading" former grassland in parts of the United States may be sequestering less human-caused atmospheric carbon emissions than predicted, concluded new ... > full story -
End Of "Free Ride" On Ecosystem CO2 Absorption
May 16, 2002 According to a new study, the world may soon see the end of the "free ride," in which carbon absorption by natural ecosystems ameliorates the rise in atmospheric CO2 due to fossil fuel ... > full story -
Chinese Tallow Tree Invades Texas Prairies
February 25, 2002 The Chinese tallow tree has been turning Gulf Coast grasslands into single-species forests, and Rice University ecologist Evan Siemann hopes to find out how this tree has been able to "break all ... > full story -
Scientists From Syracuse University And The Netherlands Create First Global Map Of Grazing Mammal Biodiversity
February 21, 2002 A team of biologists at Syracuse University and Wageningen University in the Netherlands has created the first global map of “biodiversity hotspots” or areas that have the most potential ... > full story -
Increased Water Vapor In Stratosphere Possibly Caused By Tropical Biomass Burning
February 21, 2002 The doubling of the moisture content in the stratosphere over the last 50 years was caused, at least in part, by tropical biomass burning, a Yale researcher has concluded from examining satellite ... > full story -
Common Native Plant Of Great Plains May Be Threatened By Climate Change
October 8, 2001 A common Great Plains prairie plant, the partridge pea (Chamaecrista fasciculata), could face severe reduction in numbers if climate conditions in the Midwest change to the extremes predicted for the ... > full story -
Texas Tortoise And Cattle Can Co-Exist
July 23, 2001 The conventional wisdom is that tortoises and cattle don't mix. But new research shows that the Texas tortoise and cattle can share rangelands as long as the grazing is managed. ... > full story -
Soil Suggests Early Humans Lived In Forests Instead Of Grasslands
July 12, 2001 Carbon isotope evidence in almost 6-million-year-old soils suggests that the earliest humans already were evolving in – and likely preferred – humid forests rather than grasslands, report ... > full story -
Vegetation Key To Accurate Climate Modeling
May 30, 2001 Linking vegetation models to climate models when approximating the Earth's past and future climates may make climate predictions more accurate and could provide a better picture of the effects of ... > full story -
Biodiversity Increases Ecosystems' Ability To Absorb CO2 And Nitrogen
April 12, 2001 Biodiversity is an important factor regulating how ecosystems will respond to increasing atmospheric carbon dioxide, say researchers from the U.S. Department of Energy's Brookhaven National ... > full story
Search ScienceDaily
Number of stories in archives: 137,427

