中国生态退化的主要类型特征及分布-中国科学院生态环境研究中心.PDF

20 1 　　　　　　 Vol. 20, No. 1 2000 1 ACTA ECO LOGICA SIN ICA Jan. , 2000 、 刘国华,傅伯杰,陈利顶,郭旭东 (,　100085) : ,、, ,,,。 : 、,、 。 。 : ;; ;; Characteristics and distributions of degraded ecological types in China LIU Guo-Hua, FU Bo-Jie, CHEN Li-Ding, GUO Xu-Dong　(Research Center f or Eco-Environmen- tal Sciences , Chinese Academy of Sciences, Beij ing　100085, China) : , Abstract As a major environmental problem in the world ecosystem degradation not only exhausts the natural resources and decreases biodiversity , but also seriously hinders the sustainable development of so- cial economy and threatens the survival and development of human beings. Therefore, the ecosystem ′ ′ . degradation has brough t every government s and ecologist s attention The main types of ecosystem degra- dation in China, including degradated forest ecosystem s, desertification and soil erosion, are analyzed. The current situations, characteristics and distributions of the each type are expounded. The aim of this research is to provide basic data for th e natural resource uses and degradated ecosystems restoration and rehabilitation. Key words: ecosystem degradation; degradated forest ecosystems; desertification soil erosion; China : 1000-0933( 2000) 01-0013-07　: Q 1 6, Q 1 9　: A　 　　、、。 ,。 , [ 1～ ] [5～ 8 ] , 。 、、 、、。 : ,, , ,,。、 、、、、 。、 ,、, 。 , , ,。 1　 : “”( 951- 1-208) KZ B : 1999-01-2 ;: 1999-06-20 　1 　　　 20 (、) ( 、 ) ,, ( 1)。 ( 1): 、 : 、、 ( )