Sentences with phrase «water stress»
"Water stress" refers to a situation where there is a shortage of water that is needed for various purposes, like drinking, farming, or sanitary needs. It means that there is not enough water available to meet the demands or needs of the people or environment, which can cause difficulties and challenges in our daily lives. Full definition
Next, the researchers look at the effect of water stress on gene expression using corn planted on high and low ground.
sciencedaily.com
With a special focus on water stressed areas, participating hotels focus on minimizing water consumption by installing water saving technology and engaging guests and employees in water saving activities.
40 percent of the country's thermal power plants experience high water stress.
But a question less often asked is, what is the impact of increased human water demand in creating water stress?
Thirty five years from now the countries where roughly half the world's population lives, may be facing what scientists are calling a «high risk of severe water stress».
An earlier growing season can also increase water stress while leaving plants more vulnerable to frost damage after starting growth too soon.
It might include for instance water stress — with defined consequences such as on biodiversity, fire, food security or civil peace — at either global or regional scales or both.
And scale insects had little or no adverse effect on the trees if the trees were not water stressed.
Therefore, they may not alleviate dry season problems if the extra water is not stored and would not ease water stress in other regions of the world.
The researchers also found that water stress limited tree growth all by itself.
The effects of large and more frequent droughts may have lasting impacts that contribute to the long - term decline in vegetation, especially in an increasingly water stressed ecosystem.
They developed a new Combined Stress Index in order to better understand the effects of concurrent heat and water stress events.
The leaves growing in the «toughest,» most exposed places at the top of the crown grow better suited to withstand water stress than leaves in the lower crown do.
Experts see water stress and population growth as two factors that will trigger conflict and humanitarian crises in the coming years.
This figure shows that climate change reduces the population at risk of water stress!
The researchers separate six key strategy areas for reducing water stress into «hard path» measures, involving building more reservoirs and increasing desalination efforts of sea water, and «soft path» measures that focus on reducing water demand rather than increasing water supply thanks to community - scale efforts and decision - making, combining efficient technology and environmental protection.
Some important developmental stages such as flowering are missing, making it impossible to apply some critical stresses, such as water stress or high temperature at these specific developmental stages,» says Bin Peng, a postdoctoral researcher in Guan's lab and also the lead author.
Johan Gely, from the Swiss Agency for Development Cooperation which provides substantive support to the initiative said that ``... by 2050 over 50 % of the global population will be living in regions under water stress and the impact will be counted in trillions of dollar.
Yet those regions are already experiencing profound water stress due to unsustainable rates of groundwater pumping performed to irrigate large expanses of Northern China and Northern India.
This report — the first on power plant water use and related water stress from the Energy and Water in a Warming World initiative (EW3)-- is the first systematic assessment of both the effects of power plant cooling on water resources across the United States, and the quality of information available to help public - and private - sector decision makers make water - smart energy choices.
Numerical experiments combining climate model outputs, water budgets, and socioeconomic information along digitized river networks demonstrate that (i) a large proportion of the world's population is currently experiencing water stress and (ii) rising water demands greatly outweigh greenhouse warming in defining the state of global water systems to 2025.
These changes and trends suggest a widespread drying of forests and an increasing risk of uncharacteristic fire and competition - induced water stress and mortality.
«A lot of ecologists like me are starting to think all these agents, like insects and fires, are just the proximate cause, and the real culprit is water stress caused by climate change,» said Robert L. Crabtree, head of a center studying the Yellowstone region.
In ponderosa pine ecosystems, soil texture is an important factor in forest water stress during lower precipitation years and post-disturbance regeneration (Scianna [2011]-RRB-.
Population growth and rising demand for water also promise to worsen water stress in many regions of the country already under stress from power plant and other uses.
In the traditional view of this symbiosis, the plants photosynthesize and provide carbon to the fungi in return for nutrients that the fungi take up from the soil (I say traditional because mycorrhizal fungi can also provide other benefits to their hosts such as helping them deal with summer water stress and protecting them from pathogens that attack their roots).
Hormel Foods also recognizes that water scarcity and sourcing from water stressed regions is a growing concern across all industries — including the food industry — and companies need to play an active role in ceasing this trend.
In the middle hills and Terai belt of eastern Nepal, a village spent a rare government donation — about $ 3,000 — to build a well that local leaders hoped would relieve the community from acute water stress.
By looking at the problem on a global scale, we have calculated that if four of these strategies are applied at the same time we could actually stabilize the number of people in the world who are facing water stress rather than continue to allow their numbers to grow, which is what will happen if we continue with business as usual.»
«The biosphere physiological effects and related biosphere - atmosphere interactions are key to predicting future continental water stress as represented by evapotranspiration, long - term runoff, soil moisture, or leaf area index,» Gentine says.
«In all of these studies, we're developing water stress indicators, which can be physical manifestations such as dropping leaves or branches or trees becoming less green,» Singer explained.
Negative: Less available water in summer and potential for increased water stress at same time as highest temperatures
With no adaptation strategies in place, the U.N. Intergovernmental Panel on Climate Change (2007) projects that, by the year 2020, 75 to 250 million people in Africa will be exposed to high water stress conditions with some countries experiencing up to a 50 percent reduction in yields from rain - fed agriculture.
In the western United States, for example, snowpack is declining and snowmelt - driven streamflow is shifting to earlier in the year, leading to greater water stress in summer months.
Utilities with carbon intensive power plants contribute to long - term water stress by exacerbating climate change.
«This could be a real game - changer for understanding changes in continental water stress going into the future.»
Without a corresponding change (i.e., increase) in precipitation, this leads to a reduction of plant available soil moisture which increases plant water stress through the growing season, thereby reducing GPP.
Researchers integrated the capability to simultaneously measure leaf thickness and leaf electrical capacitance into a leaf sensor to monitor water stress in plants.