机译:华北农牧交错带非农化区生态系统生产力的演替与增强机制
College of Agronomy, Agricultural University of Hebei, Baoding 071001, P.R.China;
Zhangbei Agricultural Resource and Ecological Environment Key Field Research Station, Ministry of Agriculture, Zhangjiakou 076450, P.R.China;
College of Agronomy, Agricultural University of Hebei, Baoding 071001, P.R.China;
Zhangbei Agricultural Resource and Ecological Environment Key Field Research Station, Ministry of Agriculture, Zhangjiakou 076450, P.R.China;