我区夏季降水充沛,气温高,这种水熱同时出现的气象条件,给植物生产发育创造了一种十分有利的生态环境,也为我们开展雨季造林提供了很好的机会。自治区地处温带半干旱、干旱地带,全年干旱少雨,年降水量除阿拉善盟外一般在200～450毫米之间。但在夏季,太平洋高压气流向大陆移动, The abundant precipitation and high temperature in the summer of this area in our district have simultaneously created meteorological conditions for the development of plant production and provided a very good opportunity for us to carry out afforestation in the rainy season. The autonomous region is located in a temperate semi-arid and arid region with arid and dry conditions throughout the year. Annual precipitation is generally between 200 and 450 mm except for Alxa League. However, in the summer, the high-pressure Pacific Ocean flows to the mainland,