地震农业灾情空间分异评价
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摘要
汶川地震对农业生产系统造成了严重的破坏.基于承灾体视角,以绵阳市为研究区,以区县为统计单元,采用该市农业局灾情统计数据并将农业人口因素纳入,进行农业灾情空间差异分析.在对各区县农业各子系统进行灾情分析后,汇总得出各区县农业系统总的经济损失,进一步分析了各区县农业人口人均农业经济损失.研究得出,农业总的经济损失最重、较重、较轻的3类区县依次为:江油、安县、北川;平武、三台;游仙、涪城、盐亭、梓潼;农业人均损失最重、较重、较轻的3类区县依次为平武、北川;三台、安县、江油;涪城、游仙、盐亭、梓潼.表明各区县总的经济损失与人均经济损失的严重程度二者存在差异.据此指出,在灾后重建资金投放中,不仅应考虑各区县总的经济损失的差异,还应综合考虑人均损失的不同.最后提出恢复重建地震灾区农业生产体系的4条建议.
Wenchuan earthquake has brought about severe damage on the agricultural production systems.Based on the perspective of disaster-affected bodies and the division of county/district as the statistical unit,statistics taken from the Mianyang Prefecture Bureau of Agriculture,were subjected to a spatial differentiation analysis within the scope of Mianyang and demographic factors in agriculture were also taken into consideration.Firstly disaster situation of every county agricultural system and its subsystems are analyzed,then the county's overall economic losses in agricultural systems are worked out,and thirdly,every county's agricultural economic loss per capita among the agricultural population was obtained.The findings show that: in regard to the overall Agricultural direct economic loss,three biggest victims are Jiangyou,Anxian county and Beichuan;Pingwu,Santai suffered a slighter loss and Youxian,Fucheng,Yanting and Zhitong were the still slighter sufferers.In terms of agricultural loss per capita,Pingwu and Beichuan were the biggest sufferer,next to which were Santai,Anxian and Jiangyou,with Fucheng,Youxian,Yanting and Zhitong being the slightest,which indicates that there exist a difference in terms of the overall economic loss and the severity of per capita economic loss.Accordingly,the money allocation for post-disaster reconstruction,not only should consider the overall economic loss of the regional differences in unit,per capita economic losses should also be taken into account.Four pieces of suggestions were put forth as well for the reconstruction of the agriculture production system in the earthquake-hit area.
引文
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