Sentences with phrase «soil water»

To determine the possible water flow changes and the impact on the plant community, the team installed access tubes into the ground to measure the changes in soil water in storage.

The team performed the experiments in a greenhouse and on outdoor nursery pads using soil moisture sensors to maintain soil water content above specific thresholds.

Our study highlights the importance of changes in soil water availability to plants as a key element.

However, if the replacement vegetation has much less foliage or can not access soil water as successfully, a warming may occur.

According to WHO soil water will be in short supply in many African countries due to global warming combined with changing precipitation pattern.

To test their hypothesis, the three scientists conducted a meta - analysis that included 1705 field measurements from 21 distinct sites from which they evaluated the effects of atmospheric CO2 enrichment on soil water content in both dryland and non-dryland systems.

We hypothesize that enhanced levels of atmospheric CO2 play an important role in the observed greening through the CO2 effect on plant water savings and consequent available soil water increases.

KEIZER JJ, FERREIRA AJD, COELHO COA, DOERR S H. MALVAR M C, DOMINGUES C. SP, PEREZ IMB, RUIZ C e FERRARI K The role of tree stem proximity in the spatial variability of soil water repellency in a eucalypt plantation in coastal Portugal.

«In areas with similar climate and soils, then there is potential for reducing the likelihood of flood generation based on increased soil water storage within a river's catchment.»

Covey said researchers have known for a long time that trees can act like straws bringing methane up in soil water from wetlands.

Evidence for soil water control on carbon and water dynamics in European forests during the extremely dry year: 2003

The response of canopy evaporation to diminishing soil moisture was quantified by comparing normalized evaporation rates (in terms of equilibrium evaporation) with soil water potential and volumetric water content measurements.

This longer predictability of soil water condition relies on the natural filtering effect of soils, which is explained by the accumulation of precipitation amount rather than the individual precipitation event.

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 oak trees, on the other hand, were able to transpire, albeit at low rates, under very dry soil conditions (soil water potentials below -4.0 MPa).

The long - term potential predictability of soil water variations in combination with the slow regrowth of vegetation after major disruptions leads to enhanced predictability on decadal timescales for vegetation, terrestrial carbon stock, and fire frequency, in particular in the Southern United States (US) / Mexico region.

Our modeling exercise suggests that even with the same available soil water storage capacity, coarse - textured soils provide less constraint on simulated GPP and tree growth than fine - textured soils.

«Potential for sweetpotato production in Pacific Northwest: Evaluation of soil water tension irrigation treatments yields best practices.»

Xue also worked with sorghum, conducting multiyear field studies and evaluating the feasibility of high biomass sorghum hybrids under different soil water regimes, according to the nomination.

They also changed the way plants tapped into soil water through their root systems.

In addition, 360,000 km2 of forest had less than 250 mm of plant - available soil water left by this time (Fig. 1b).»

Effects of planting date, soil water at planting, and cultivar phenology.

Comparative soil water use by annual crops at a semiarid site in Montana.

The modules dealing with soil water movement and root growth have been incorporated into GLYCIM.

Greater corn and soybean yields in organic systems compared to conventional system during drought stress periods can be attributed to greater soil water content in the organic systems, coupled with greater season - long availability of essential plant nutrients.

Determining the mechanisms of stronger soil water responses in drylands will require further investigation.

This integration of white noise variability (Hasselmann 1976) leads to enhanced soil water variability at lower frequencies and potential longer - term predictability (Delworth and Manabe 1988).

This action is sufficient to overcome the hydrostatic force of the water column — and the osmotic gradient in cases where soil water levels are low.

In consequence of these two benefits, Lu et al. hypothesized that rising atmospheric CO2 is playing a significant role in the observed greening, especially in moisture - limited areas where soil water content is a limiting factor in vegetative growth and function.

«We found that, even 10 - months after the starting prediction, the model was tracking the observation - based soil water conditions very well,» Chikamoto said.

«Our team is looking forward to developing new applications with stakeholder groups that can benefit from better soil water forecasts or assessments in future fire risk.»

His team found cultivars such as TAM 111 and TAM 112 can use soil water more efficiently, which is important for producers to better manage wheat under dryland and limited - irrigation conditions.

Another study found that average soil water content on low density ponderosa forests (250 trees / ha) was substantially higher than on high density forests (2,710 trees / ha), although these differences in forest density were not a result of mechanical thinning [58].

Architecture of a Pan-European Framework for Integrated Soil Water Erosion Assessment.

They also found that while barley exudates didn't impact soil water repellency, corn exudates did.

Site environmental variables in 2007 — 13: daily precipitation (annual amounts noted); daily mean soil water content at 30 cm below surface (SWC); daily maximum vapor pressure deficit (VPD); daily mean air temperature over the forest canopy (Ta).

«Importantly, the observed response lends weight to the hypothesis that any additional soil water in the root zone is then available to facilitate vegetation growth and greening under enhanced carbon dioxide,» Wang said.

«The stability of the rate of change justifies using higher carbon dioxide enrichment levels to interpret soil water responses to currently observed carbon dioxide enrichment,» Wang said.

«In the fine liquid film surrounding the hyphae, bacteria can move with much greater speed and direction and cover more distance than in soil water without hyphae,» says Tom Berthold, first author of the study and a doctoral researcher at the UFZ Department of Environmental Microbiology.

Maps showing the differences in sea surface temperature and total soil water on land in the period between October 2011 and September 2017.

Results showed that total applied water decreased with an increase in the targeted soil water tension.

By measuring the amount of precipitation that has fallen against actual soil water content, it's possible to quantify the water lost to evapotranspiration while each crop is growing.

«We designed a project to quantify the growth of Hibiscus acetosella «Panama Red» in response to various soil water content thresholds,» explained Bayer.

WSMV reduces root growth, thus limiting the plant's ability to extract soil water and potentially decreasing water - use efficiency.