Advaneces in study on ecological and environmental water requirement and discussion on its theory

Abstract

Abstract: The concept of ecological and environmental water requirement was introduced and reviewed.In-channel,out-channel and entertainment required water constitute the ecological and environmental water requirement.The concept was discussed from the aspects of spatial-temporal distribution,priority of nature and sustainable utilization.The characteristic was analyzed with the dynamics,controlability and limit.The methods on calculating and evaluating ecological and environmental water requirement was summerized and the development trends in this domain were prospected.

Key words: FACE, Elevated CO₂, Rice, Xylem exudates, Root activity, Amino acid synthesis

CLC Number:

WANG Shanlin, CONG peitong, WANG Ruilan, JIN Jiongqiu, MA Zhenxing. Advaneces in study on ecological and environmental water requirement and discussion on its theory[J]. cje, 2004, (6): 111-115.

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