This current result may be significant because the synchrony of decreasing precipitation and rising temperature may lead to high potential evapotranspiration and low water availability, not only in the Northern Chinese steppe ecosystem ( Wang and Gao, 2003 ; Cheng et al. , 2006 ) but also in many of the semi-arid regions of the world, such as the Patagonian region of Argentina ( Paruelo and Sala, 1995 ), the western European grassland ( De Boeck et al. , 2007 ), and the Chihuahuan Desert of the USA ( Patrick et al. , 2007 ).
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Are plant growth and photosynthesis limited by pre-drought following rewatering in grass?
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