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一、综述(一)自然特点昭盟处于蒙古高原的南翼,北、西、南三面环山,整个地势由西向东倾斜,中间为丘陵和平原,是一个山地丘陵多,平川少的地区。海拔五百至二千米以上,坡度一般为十至二十度,最大三十至五十度。气候特点是南温北寒、干燥少雨、风大沙多、冬季积雪少,属于寒冷干燥的大陆性气候。年平均温度四至七度(北部二至五度)最低温度零下三十一度(北部零下四十六度),降水量三百至四百毫米,蒸发量在一千七百至二千一百毫米。无霜期一百
First, a review (A) of the natural characteristics Zhaomeng in the southern wing of the Mongolian Plateau, north, west and south surrounded by mountains, the entire topography from west to east tilt, the middle of the hills and plains, is a mountainous hilly, plains less areas. Elevation of 500-2000 meters above sea level, the slope is generally ten to twenty degrees, the maximum thirty to fifty degrees. The climate is characterized by cold north and south, dry and less rain, wind and more sand, less snow in winter, is a cold and dry continental climate. The annual average temperature of four to seven degrees (north of two to five degrees) minimum temperature minus thirty-one degrees (north minus forty-six degrees), precipitation 300 to 400 millimeters, evaporation in seven hundred to two thousand one hundred Mm. One hundred frost-free period