نتایج جستجو برای: water availability

تعداد نتایج: 682940  

Journal: :Biology letters 2008
Sophie Rickebusch Wilfried Thuiller Thomas Hickler Miguel B Arau Jo Martin T Sykes Oliver Schweiger Bruno Lafourcade

The direct effects of CO2 level changes on plant water availability are usually ignored in plant habitat models. We compare traditional proxies for water availability with changes in soil water (fAWC) predicted by a process-based ecosystem model, which simulates changes in vegetation structure and functioning, including CO2 physiological effects. We modelled current and future habitats of 108 E...

Journal: :Physiological and biochemical zoology : PBZ 1999
M S Finkler

The effects of water availability during incubation on the water contents of neonatal snapping turtles at hatching were examined, along with the influence of hatchling water content on desiccation tolerance and terrestrial locomotor performance. The water contents of hatchlings from eggs incubated on wet substrates were both absolutely and proportionally greater than were those of hatchlings fr...

2014
Caroline A. Sullivan

Although human society’s success depends on water availability, little has been done to recognize its value within modern socio-political and environmental management systems. The challenge of valuing water as a commodity for production still remains due to theoretical and methodological difficulties as well as theological and philosophical objections. As a way of addressing this issue, this pa...

2017
Paulo E. R. Marchiori Eduardo C. Machado Cristina R. G. Sales Erick Espinoza-Núñez José R. Magalhães Filho Gustavo M. Souza Regina C. M. Pires Rafael V. Ribeiro

The water availability at early phenological stages is critical for crop establishment and sugarcane varieties show differential performance under drought. Herein, we evaluated the relative importance of morphological and physiological plasticity of young sugarcane plants grown under water deficit, testing the hypothesis that high phenotypic plasticity is associated with drought tolerance. IACS...

Journal: :Physiology & behavior 1989
R J Nelson D Frank S A Bennett C S Carter

The environmental factors that arrest breeding in prairie voles during the middle of the breeding season are unknown. The role of water availability on reproductive function was examined by limiting water intake to 50% of ad lib water consumption for 10 weeks. At autopsy, testicular, epididymal and seminal vesicle masses were reduced in water restricted males as compared to animals with ad lib ...

2014
M. Forkel N. Carvalhais K. Thonicke

Existing dynamic global vegetation models (DGVMs) have a limited ability in reproducing phenology and decadal dynamics of vegetation greenness as observed by satellites. These limitations in reproducing observations reflect a poor understanding and description of the environmental controls on phenology, which strongly influence the ability to simulate longer-term vegetation dynamics, e.g. carbo...

Journal: :SSRG international journal of humanities and social science 2023

The prime water source is terrestrial precipitation, mainly in the form of rain. Its availability surface run-off and groundwater also depends upon area's rainfall pattern, geological structure, landforms. Like most hill towns, Aizawl faces acute supply problems during dry winter early summer. water-related needs people study area were met for generations by these natural sources. However, disc...

2017
Wallace Wilhelm Gregory S. McMaster R. W. Rickman Betty Klepper W. W. Wilhelm

Wilhelm, W.W., McMaster, G.S., Rickrnan, R.W. and Klepper, B., 1993. Above-ground vegetative development and growth of winter wheat as influenced by nitrogen and water availability. Ecol. Modelling, 68: 183-203. Assessing the influence of nitrogen and water availability on development and growth of individual organs of winter wheat (Triticum aestivum L.) is critical in evaluating the response o...

2014
Emily Bennitt Mpaphi Casper Bonyongo Stephen Harris

Seasonal fluctuations in water availability cause predictable changes in the profitability of habitats in tropical ecosystems, and animals evolve adaptive behavioural and spatial responses to these fluctuations. However, stochastic changes in the distribution and abundance of surface water between years can alter resource availability at a landscape scale, causing shifts in animal behaviour. In...

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