Sentences with phrase «water deficit»

That is causing more severe water deficits in the summer, just as the higher temperatures cause trees to need extra water to survive.
One of the big surprises for the team was seeing the data for the average annual water deficit at study sites.
Knowing where water deficits are developing today tells us where grain deficits will be concentrated tomorrow.
The study, «Lignite - derived humic substances modulate pepper and soil - biota growth under water deficit stress,» was conducted by AgriLife Research graduate student Kuan Qin in collaboration with center director and plant physiologist Dr. Daniel Leskovar.
Boyer, J. S. Biochemical and biophysical aspects of water deficits and the predisposition to disease.
The lower relative humidity and increased temperatures that would result from potential reductions in fog and low cloud cover could increase plant evapotranspiration rates, raise soil water deficits, and accelerate risks of forest fire.
The study, «Lignite - derived humic substances modulate pepper and soil - biota growth under water deficit stress,» -LSB-...]
Now we are looking at the growing water deficits in both China and India, each with more than a billion people.
Lichstein said that although they expected an increase in drought - tolerant tree abundance would prevent biomass losses triggered by water deficits, the opposite appears to be true.
And the enormous magnitude of California's long - term water deficits remain deeply entrenched from environmental and groundwater perspectives.
One measure of fluid intake adequacy involves enough fluid to prevent meaningful body water deficits outside this euhydration range (i.e., dehydration).
Plants are often subjected to periods of soil and atmospheric water deficits during their life cycle as well as, in many areas of the globe, to high soil salinity.
... Hence, unless additional evidence becomes available indicating cumulative total water deficits in individuals with habitual intakes of significant amounts of caffeine, caffeinated beverages appear to contribute to the daily total water intake similar to that contributed by noncaffeinated beverages.»
In her book Pillar of Sand, Sandra Postel, using data for India, China, the United States, North Africa, and Saudi Arabia, estimated the annual water deficit in terms of aquifer overpumping at over 160 billion tons per year.
Similarly, maize grown in Utah, now only yielding 40 percent of the optimal expected yield, will decrease to 10 percent with further climate - driven water deficits.
Storm drainage systems typically redirect most floodwater out to sea, but given the region's intense water deficit, hydrology scientists at the University of California, Davis, are experimenting with so - called groundwater banking, which involves sending storm water to flood fallow fields where it can percolate into the soil and replenish aquifers.
Our metric also revealed similar impacts across Eastern Canada in 2010, where high temperatures and significant water deficits led to large wildfires (Fig. 4, 2010) 52.
[4] Thanks to a strong El Niño that brought near average precipitation to the northern California, the statewide April 1 snowpack measurement in 2016 showed state water resources at 87 percent of the long - term average; however, the snowpack was not sufficient to undo water deficits caused by years of drought.
Partial and potentially substantial alleviation of drought severity in California is likely, though even the wettest winter on record would be insufficient to erase California's multi-year water deficits.
Tree mortality rates have increased significantly in this region, owing in large part to regional warming and subsequent water deficits.
The arid to semiarid basin is classified as a net water deficit area, but it also suffers from devastating floods.
Soil water deficits, from increased temperatures and reduced precipitation, can result in larger pathogen populations and lower tree and forest defenses against pathogens (Lorio 1993; Chakraborty et al. 2008).
Assessing the Food Prospect (pdf) Introduction Soil: Surplus to Deficit The Fast Growing Water Deficit The Changing Food Economy The Soybean Factor Future Food Security
Effects of elevated CO2 concentration on water productivity and antioxidant enzyme activities of rice (Oryza sativa L.) under water deficit stress.
Less than one - third of the crystalloid volume administered intravenously persists in the vasculature 1 hour after administration, 4 making these fluids an excellent choice for treating dehydration and electrolyte derangements and correcting free water deficits.
Lichstein said that although they expected an increase in drought - tolerant tree abundance would prevent biomass losses triggered by water deficits, the opposite appears to be true.
Drought stress leads to water deficits in crops, which affects crop growth and development and a number of metabolic processes in the plants, such as photosynthesis and primary metabolism
It is also clear that global warming's accelerated melting of the nearby Himalayan glaciers is not the primary culprit in the region's water deficit.
«Short - season corn is expected to perform better under drought, however we discovered there was not generally a yield advantage under water deficit and instead, long - season hybrids outperformed at the 100 and 75 percent ET levels.»
The researchers found that decades of changes in water deficit have reduced forest biomass, causing an influx of trees that are more tolerant to drought but slower growing.
Adapting to water deficits is not too hard: the key is increased efficiency.
Scientists at the Department of Energy's Oak Ridge National Laboratory have identified a common set of genes that enable different drought - resistant plants to survive in semi-arid conditions, which could play a significant role in bioengineering and creating energy crops that are tolerant to water deficits.
From the amount of rising, one can estimate the amount of the water deficit
A parched breadbasket In the United Kingdom, where the parched southeast — the country's breadbasket — has received some welcome rain in the past week or two, it has been nowhere near enough to correct the water deficit after the driest March since 1953.
«This aggravated the water deficits compared to average seasonal conditions.
Historically, Grant said, nations have augmented water supplies by building dams or constructing pipelines or aqueducts for transferring water from a more plentiful source to one with a water deficit.
Advocates also see in synthetic biology tools for combating climate change and water deficits.
Regional warming and consequent increases in water deficits are likely contributors to the increases in tree mortality rates.
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