基于全球公顷与国家公顷的县域生态足迹评估比较  

Comparison and Assessment of County Ecological Footprint based on Global Hectare and National Hectare

作　　者：李早立 薛跃规[1] LI Zaoli;XUE Yuegui(Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection,Ministry of Education,Guangxi Normal University,Guilin Guangxi 541006,China)

机构地区：[1]广西师范大学珍稀濒危动植物生态与环境保护教育部重点实验室

出　　处：《生态经济》2019年第10期185-190,共6页Ecological Economy

摘　　要：采用全球公顷法(gha)和国家公顷法(nha)对广西兴安县2016年的生态足迹、生态承载力进行计算,基于计算结果比较分析了两种方法在核算县域生态足迹时的差异。并基于国家公顷法,探索均衡因子、平均产量对计算结果的影响。研究结果表明:采用gha和nha的生态足迹计算结果分别为2.78719hm^2/cap、1.68025hm^2/cap;采用不同的均衡因子计算时,生态赤字最大值是最小值的11倍;采用较远年份平均产量为参数计算的当年生态足迹远高于采用当年平均产量的计算结果。因此提出将生态足迹模型应用于县域生态足迹评估的建议:(1)采用全球公顷法计算县域生态足迹会夸大结果产生较大误差,无法精确反映该地区的生态系统负荷,因而在计算县域生态足迹时,推荐使用国家公顷法。(2)使用当年的平均产量数据,并使用不同的均衡因子计算比较,以提高计算结果的精确性与可信度。To compare and analyze the diSerences between global hectare (gha) method and national hectare (nha) method, both gha and nha was used to calculate the ecological footprint, ecological capacity of Xing'an County in 2016. And then we analyzed the difierences between the two methods in calculating the county's ecological footprint, based on the differences of two methods, using difierent the average yield and equivalence factors to calculate the ecological footprint of Xing'an County in 2016. The results showed that the ecological footprint of Xing'an County in 2016 was 2.78719 hm/cap calculated by gha method and 1.68025 hm/cap by nha method. When using different equivalence factors, the maximum ecological deficit is 11 times of the minimum value. The ecological footprint calculated using the average annual output of the farther year is much higher than the calculation of the average annual production. Therefore, the suggestions of using the ecological footprint method to calculate the county's ecological footprint was proposed:(1) using the global hectare method to calculate the county's ecological footprint would exaggerate the results, which would result in large errors, and cannot accurately reflect the actual ecological needs and supply of the region, and thus we suggest that we should calculate the county's ecological footprint by using the national hectare method.(2) It is recommended to use the latest average production data in the calculation of the national hectare method, and use difierent equivalence factors to calculate separately to improve the accuracy and credibility of the calculation results.

关 键 词：生态足迹 全球公顷法 国家公顷法 兴安县 

分 类 号：F062.2[经济管理—政治经济学]