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绵阳地区的西北山地是指青川、平武、北川三县境内山区,地处四川盆地西北边缘,在东经103°16′—105°38′,北纬31°29′—33°03′之间,属亚热带湿润季风气候区。总土地面积1.17万平方公里,约折合1755万亩。总人口52.16万,其中农业人口47.30万,农村劳动力19.74万。 (一)复杂的自然环境,丰富的生物资源 根据全国地貌区划指标,青川、平武、北川县属以中山为主的地貌类型。从农业区划角度讲,这是一个生产条件、基本特点、发展方向和建设途径相类似的综合农业区。这个农业区有复杂的自然环境,多样的生物资源。 自然环境的特点是:1.山高坡陡。海拔532—5400米。平武县内的山坡坡度30°—
The northwestern mountainous areas in Mianyang refers to the mountainous areas within the three counties of Qingchuan, Pingwu and Beichuan, located on the northwestern margin of the Sichuan Basin, between 103 ° 16’-105 ° 38’E and 31 ° 29’-33 ° 03’N, Is a subtropical humid monsoon climate zone. The total land area of 11,700 square kilometers, equivalent to 17.55 million mu. The total population of 521600, of which agricultural population of 47300, rural labor 197400. (A) of the complex natural environment, rich biological resources According to the indicators of the country’s landscape division, Qingchuan, Pingwu, Beichuan County is Zhongshan-based landscape type. From the perspective of agricultural zoning, this is an integrated agricultural zone with similar production conditions, basic characteristics, direction of development and approaches to construction. This agricultural area has a complex natural environment, a variety of biological resources. The natural environment is characterized by: 1. Steep mountain slope. 532-5400 meters above sea level. Hillside slope in Pingwu County 30 ° -