Browse News Stories
21 to 30 of 313 stories
view headlines only
-
Violence in Mali Threatening Survival of Endangered Elephants
December 12, 2012 Researchers have revealed the secrets of survival of an endangered population of African elephant in the unforgiving Sahara desert. The elephants have the biggest range in the world, the study ... > full story -
Drought in the Horn of Africa Delays Migrating Birds
December 6, 2012 The catastrophic drought last year in the Horn of Africa affected millions of people but also caused the extremely late arrival into northern Europe of several migratory songbird species, a new study ... > full story -
Plant Stress Paints Early Picture of Drought
December 5, 2012 In July 2012, farmers in the U.S. Midwest and Plains regions watched crops wilt and die after a stretch of unusually low precipitation and high temperatures. Before a lack of rain and record-breaking ... > full story -
Increasing Drought Stress Challenges Vulnerable Hydraulic System of Plants, Professor Finds
November 27, 2012 The hydraulic system of trees is so finely-tuned that predicted increases in drought due to climate change may lead to catastrophic failure in many species. A recent paper finds that those systems in ... > full story -
UK Butterfly Populations Threatened by Extreme Drought and Landscape Fragmentation
November 1, 2012 A new study has found that the sensitivity and recovery of UK butterfly populations to extreme drought is affected by the overall area and degree of fragmentation of key habitat types in the ... > full story -
Western Aspen Trees Commonly Carry Extra Set of Chromosomes
October 31, 2012 A large proportion of aspen in the western US sport an extra set of chromosomes in their cells, a phenomenon termed triploidy, according to new research. In some areas of southern Utah and Colorado, ... > full story -
Desert Farming Forms Bacterial Communities That Promote Drought Resistance
October 31, 2012 When there is little water available for plants to grow, their roots form alliances with soil microbes that can promote plant growth even under water-limiting conditions, according to new ... > full story -
Ozone Affects Forest Watersheds
October 18, 2012 Scientists have found that rising levels of ozone, a greenhouse gas, may amplify the impacts of higher temperatures and reduce streamflow from forests to rivers, streams, and other water bodies. Such ... > full story -
Dire Drought Ahead, May Lead to Massive Tree Death
October 15, 2012 New evidence suggests recent droughts could be the new normal. This is especially bad news for America's ... > full story -
Research Shows Legume Trees Can Fertilize and Stabilize Maize Fields, Generate Higher Yields
October 15, 2012 Inserting rows of "fertilizer trees" into maize fields, known as agroforestry, can help farmers across sub-Saharan Africa cope with the impacts of drought and degraded soils, according to a ... > full story
Search ScienceDaily
Number of stories in archives: 137,376

