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Abstract The authors propose a new climatic drought index: the standardized precipitation evapotranspiration index (SPEI). The… Expand BACKGROUND
Plants are often subjected to periods of soil and atmospheric water deficits during their life cycle as well as, in… Expand Severe droughts have been associated with regional-scale forest mortality worldwide. Climate change is expected to exacerbate… Expand World population is increasing at an alarming rate and is expected to reach about six billion by the end of year 2050. On the… Expand Future climate warming is expected to enhance plant growth in temperate ecosystems and to increase carbon sequestration. But… Expand SummaryProline, which increases proportionately faster than other amino acids in plants under water stress, has been suggested as… Expand Abiotic stresses, such as drought, salinity, extreme temperatures, chemical toxicity and oxidative stress are serious threats to… Expand Salt and drought stress signal transduction consists of ionic and osmotic homeostasis signaling pathways, detoxification (i.e… Expand 1.0 INTRODUCTION Five practical issues become important in any analysis of drought. These include: 1) time scale, 2) probability… Expand Diffusion is the process by which an innovation is communicated through certain channels over time among the members of a social… Expand