News tagged with water stress

Related topics: climate change

A study points to the importance of seeking new pine varieties resistant to climate change

The radiata pine is the tree species par excellence in the Basque Country's forests. Like other types of pine, the lack of water is one of the factors having the greatest effect on its survival and productivity. Until now, ...

Biology / Biotechnology

created Apr 19, 2012 | popularity 4 / 5 (2) | comments 0

Some corals like it hot: Heat stress may help coral reefs survive climate change

A team of international scientists working in the central Pacific have discovered that coral which has survived heat stress in the past is more likely to survive it in the future.

Space & Earth / Environment

created Mar 30, 2012 | popularity not rated yet | comments 0

Rio Summit: Scientists warn of 'emergency on global scale'

Leading scientists on Thursday called on the upcoming Rio Summit to grapple with environmental ills that they said pointed to "a humanitarian emergency on a global scale."

Space & Earth / Environment

created Mar 29, 2012 | popularity 3.8 / 5 (13) | comments 39

Mesquite trees displacing Southwestern grasslands

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 ...

Biology / Ecology

created Mar 18, 2012 | popularity 4.8 / 5 (6) | comments 13 | with audio podcast

Plants can 'remember' drought and change responses to survive

(PhysOrg.com) -- Plants subjected to a previous period of drought learn to deal with the stress thanks to their memories of the experience, new research has found.

Biology / Plants & Animals

created Mar 15, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

A new tool for mapping water use and drought

Farmers and water managers may soon have an online tool to help them assess drought and irrigation impacts on water use and crop development, thanks to the work of two U.S. Department of Agriculture (USDA) ...

Space & Earth / Environment

created Feb 08, 2012 | popularity not rated yet | comments 0

NASA studies vegetation canopy water content, soil moisture

(PhysOrg.com) -- Scientists seeking insight into the role vegetation plays in water fluctuation between soil and the atmosphere recently conducted research using specialized sensors during a series of NASA ...

Space & Earth / Earth Sciences

created Dec 22, 2011 | popularity not rated yet | comments 0

Climate: which nations, cities most at risk?

A third of humanity, mostly in Africa and South Asia, face the biggest risks from climate change but rich nations in northern Europe will be least exposed, according to a report released Wednesday.

Space & Earth / Environment

created Oct 26, 2011 | popularity 4.8 / 5 (5) | comments 19

A new transporter gene that regulates plant transpiration

When plants feel stress from a lack of water, they close their epidermal pores, or stomata, to prevent water loss via transpiration. Each stoma is flanked by a pair of guard cells, which change shape to close or open stomata ...

Biology / Biotechnology

created Sep 09, 2011 | popularity 5 / 5 (1) | comments 0

Irrigation's impacts on global carbon uptake

Globally, irrigation increases agricultural productivity by an amount roughly equivalent to the entire agricultural output of the U.S., according to a new University of Wisconsin-Madison study.

Space & Earth / Environment

created Aug 25, 2011 | popularity 5 / 5 (1) | comments 0

Pacific Northwest trees struggle for water while standing in it

Contrary to expectations, researchers have discovered that the conifers of the Pacific Northwest, some of the tallest trees in the world, face their greatest water stress during the region's eternally wet ...

Biology / Ecology

created Jul 25, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Weather conditions could results in cattle heat stress

Cattle producers should be aware that forecasted weather conditions could result in significant heat stress issues in cattle. The US Meat Animal Research Center predicts danger or emergency conditions through most of South ...

Biology / Other

created Jul 19, 2011 | popularity not rated yet | comments 0

Europe faces drought and flood burden: climate scientist

A leading climate scientist warned Tuesday that Europe should take action over increasing drought and floods, stressing that some climate change trends were clear despite variations in predictions.

Space & Earth / Environment

created Apr 12, 2011 | popularity 5 / 5 (3) | comments 1

Examining climate change effects on wheat

Wheat growers in the Southwest have a better idea about how to adjust to climate change in the decades ahead, thanks to U.S. Department of Agriculture (USDA) scientists in Arizona.

Biology / Ecology

created Feb 24, 2011 | popularity 1 / 5 (1) | comments 1

Time to find a second Earth, WWF says

Carbon pollution and over-use of Earth's natural resources have become so critical that, on current trends, we will need a second planet to meet our needs by 2030, the WWF said on Wednesday.

Space & Earth / Environment

created Oct 13, 2010 | popularity 3.4 / 5 (17) | comments 46