“5．12”汶川大地震受灾人口特征与生存环境变化分析

“5．12”汶川大地震造成10万余平方公里的破坏性区域，造成69227人遇难、17923人失踪和374643人受伤，受灾人口（重灾区）2792万人。8．0级地震所释放的能量，在一定程度上改变了受灾人口所依存的自然环境和人文生态环境。本文以四川地震重灾区为研究单元，在系统分析受灾人口所依存的自然生态环境、居住（建筑空间）环境、人文生态环境、基础设施以及产业发展环境及其发展变化的基础上，析出重灾区内人口生存空间进一步缩小和调整人口分布的结论。在此基础上。提出重灾区在恢复重建中的人口分布调整建议。

Features of the Afflicted People in Wenchuan Earthquake and Its Living Environment Change

The magnitude of Wenchuan Earthquake in May 12th caused more 100000 square kilometers damaged area along the Longmenshan fault.The quake caused 69227 known deaths,17923 missing,374643 injured and more than 27 millions af-flicted.The quake with a magnitude of 8.0 Ms also changed both the natural and the social environments which faced by the afflicted people.Taking the serious damaged area of Wenchuan Earthquake in Sichuan Province as an unit analysis,this paper explains the changes both on the natural and social-economic environments depended by the afflicted people before and after the earthquake,concludes that the living space for the afflicted people is gradually shrinked after the quake and adjustment of population distribution in the damaged area should be taken.Basing on this analysis,the paper puts forward countermeasures to readjust the population distribution.