摘要
近年来,全国受旱面积呈显著上升趋势,如何有效减轻旱灾影响和降低农业损失已成为我国各级政府、科学家和公众共同关心的焦点。阐述农业旱灾系统恢复性研究的意义、恢复性定义及动态特征,明确农业旱灾系统恢复过程的驱动来源及研究尺度,为进行农业旱灾系统恢复性评价和恢复决策提供理论前提。
In the recent decades,the crop area affected by drought is increasing dramatically in China.The prevention and mitigation drought disaster have becoming one of the most important tasks.Paper advanced the importance of studying resilience and the conception of resilience to drought and the dynamic characteristics.Then it proved that the drive source of agricultural drought system＇s resilience and studying scale.So studying on resilience is not only the fore problem to assessment but also significant for taking out strategies to reduce damage.
出处
《水科学与工程技术》
2010年第6期12-14,共3页
Water Sciences and Engineering Technology
基金
国家自然科学基金(40671003)
关键词
农业旱灾
恢复性
研究尺度
agricultural drought
resilience
scale of study
