首页> 外文会议>Acta Prataculturae Sinica vol.15 Suppl. July 2006: Grassland Agriculture: Balancing Production and Environmental Protection >Impact of plant communities in the Alashan desert to environmental security of Northern China
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Impact of plant communities in the Alashan desert to environmental security of Northern China

机译:阿拉善沙漠植物群落对中国北方环境安全的影响

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摘要

The Alashan desert is located in the west of Inner Mongolia and ranges from 97°10'W to 106°53'E and 37°24'S to 42°47' N. It is a typical inland, arid region with 40 mm to 150 mm precipitation and 3000 mm to 4500 mm evaporation annually. The dry index reaches 4. 0, wind speed is 3. 1 m/s, and 20 to 70 days have strong winds, 10 to 50 days have sandstorms, the mean temperature is 8. 4℃, with a minimum of -36. 4℃, and high of 43℃. There are 3100 - 3500 h of sunshine, and ≥10℃ accumulated temperature is 3000℃ a year.
机译:阿拉山沙漠位于内蒙古的西部,范围从西经97°10'至106°53',南纬37°24'至42°47'。这是一个典型的内陆干旱地区,直径40毫米至150毫米降水量,每年蒸发3000毫米至4500毫米。干燥指数达到4。0,风速为3。1m / s,强风20至70天,沙尘暴10至50天,平均温度为8。4℃,最低为-36。 4℃,最高43℃。日照时间为3100-3500 h,≥10℃的累积温度为每年3000℃。

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