云南省在农业生产过程中,最大的制约因素和不确定因素是气候变化带来的自然灾害,2005年全省严重的春夏连旱,2008年小春生产又出现罕见的低温雨雪冰冻灾害。自2009年秋季开始,持续的干旱,以及每年发生的局部洪涝、泥石流等灾害,使全省粮食和农业生产遭受了重大损失,给粮食安全和 In the process of agricultural production in Yunnan Province, the biggest constraint and uncertainty are the natural disasters caused by climate change. In 2005, the severe drought in spring and summer in the province resulted in the rare cold and snow disaster in 2008. Since the fall of 2009, the continuous drought and the annual local floods, mudslides and other disasters have caused tremendous losses to the province’s grain and agricultural production, thereby contributing to food security and