News tagged with water stress
Related topics: climate change
Drought drives decade-long decline in plant growth
Earth has done an ecological about-face: Global plant productivity that once flourished under warming temperatures and a lengthened growing season is now on the decline, struck by the stress of drought.
Space & Earth / Earth Sciences
Aug 19, 2010 |
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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.
Oct 13, 2010 |
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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."
Mar 29, 2012 |
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Going out on a (redwood tree) limb
How tall can a tree grow? Does sunlight or water limit the size and photosynthetic capacity of a leaf? Could constraints on leaf growth really determine the height of a tree? These are all questions that ...
Jun 28, 2010 |
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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 ...
Mar 18, 2012 |
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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.
Oct 26, 2011 |
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DNA of ancient lost barley could help modern crops cope with water stress
(PhysOrg.com) -- Researchers at the University of Warwick have recovered significant DNA information from a lost form of ancient barley that triumphed for over 3000 years seeing off: 5 changes in civilisation, ...
Jul 21, 2009 |
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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.
Apr 12, 2011 |
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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.
Mar 15, 2012 |
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Plants give up some deep secrets of drought resistance
In a study that promises to fill in the fine details of the plant world's blueprint for surviving drought, a team of Wisconsin researchers has identified in living plants the set of proteins that help them withstand water ...
Aug 23, 2010 |
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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, ...
Apr 19, 2012 |
4 / 5 (2) |
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'Lab on a chip' to measure water stress in plants
(PhysOrg.com) -- Fifteen years ago, when Alan Lakso first sought to enlist Cornell's nanofabrication laboratory to develop a tiny sensor that would measure water stress in grapevines, the horticultural sciences ...
Jul 07, 2009 |
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Crop failures set to increase under climate change
Large-scale crop failures like the one that caused the recent Russian wheat crisis are likely to become more common under climate change due to an increased frequency of extreme weather events, a new study shows.
Oct 07, 2010 |
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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 ...
Jul 25, 2011 |
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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.
Aug 25, 2011 |
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