宜昌山区建立良性循环的农业生态系统的途径

Ways for Establishing A Good Agricultural Ecosystem in The Mountainous Area of Yichang

宜昌地区的山区,包括兴山、秭归、五峰、长阳的全部和宜昌、远安、宜都的大部分地区,面积约占宜昌地区的70％以上,是鄂西南山区的主体部分。 目前宜昌山区农业生态系统存在的突出问题是:大多数地方属于生态上薄弱地区,天然植被遭到严重破坏,水土流失日趋加剧;农业空间结构与山区自然环境结构不符,土地资源利用上存在严重问题;

Three ways for establishing a good agricultural ecosystem are suggested as follows: l)to establish a rational space structure of agriculture on the basis of natural environment structure; 2) to establish a rational sector structure of agriculture with land conditions; 3) to coordinate the relation be -t we en man and natural environment.