基于能值生态足迹的干旱农牧交错带山丹县2009-2018年可持续发展特征

Sustainable Development Characteristics of Shandan County in Arid Farming-Pastoral Ecotone from 2009 to 2018 Based on Energy Ecological Footprint

为研究气候变化和人类活动对山丹县近10 a社会经济可持续发展状态的影响,利用能值生态足迹模型计算分析相关指标。结果表明,10 a间该县人均能值生态足迹显著增加,以20.57%的增幅由2009年的3.84 hm^(2)上升为2018年的4.63 hm^(2),可耕地组分占比最大,为78.15%;人均能值生态承载力从2009年的3.15 hm^(2)持续下降到2018年的2.77 hm^(2),10 a间降幅达到11.90%;该县10 a间均呈生态赤字,可持续发展指数始终<0.5,10 a间下降了16.84%。不可持续状态在10 a间不断恶化,生态环境压力逐渐加重,因此调整其产业结构和加大生态保护力度非常重要。该结果为促进山丹县生态环境和经济协调发展提供了科学决策支持及参考。

In order to study the impact of climate change and human activities on social and economic sustainable development in Shandan County from^(2)009 to 2018,this study calculated and analyzed related indicators using energy ecological footprint model.The results showed that the per capita ecological footprint of the county increased significantly during the study period,with an increase of 20.57%from 3.84 hm^(2) in 2009 to 4.63 hm^(2) in 2018.The proportion of cultivated land(78.15%)in the total per capita ecological footprint was the largest.The per capita ecological capacity decreased from 3.15 hm^(2) in 2009 to 2.77 hm^(2) in 2018,a decline of 11.90%in 10 years.The county had been in ecological deficit for 10 years,and the sustainable development index was always less than 0.5,decreased by 16.84%in 10 years.The unsustainable state had been deteriorating in the past 10 years,and the pressure on the ecological environment had been increasing gradually.Therefore,it is very important to adjust the industrial structure and strengthen the ecological protection.The results provide scientific decision support and reference for promoting the coordinated development of ecological environment and economy in Shandan County.