| 1. | On the basis of the discussion of the ecological rehabilitation on subsidence land of coal extraction , the land structures of nourishment , plane and perpendicularity on subsidence area of coal extraction are differently designed . on nutritive structure green crops are mainly common crops , green vegetables , green forage crops and acquatic creatures . on plane structure the center of the subsidence land of coal extraction can be used as fish culture in net cage , the periphery can be established as fish pool and economic crops in water , and the outmost layer can be used as high - yield field , vegetable shed , domestic animal breeding area and fruit - bearing forest . on vertical structure the deepwater area can be established as fish pool and economic crops in water , and the uppermost layer can be developed as acquatic and semi - acquatic crops or dry farming crops
在讨论采煤塌陷地生态复垦的基础上,对新泰市采煤塌陷区生态复垦用地的营养结构、平面结构和垂直结构进行了优化设计.在营养结构上,绿色作物主要是农作物、蔬菜、饲料及水生生物.在平面结构上,在塌陷的中心地带实施网箱养鱼,外围区建立精养渔塘和水生经济作物,最外层生态复垦为高产农田、蔬菜大棚、畜禽养殖区和林果地.在垂直结构上,在积水区建立精养渔塘和水生经济作物,最上层则发展水生、半水生及旱作绿色经济作物 |
