本文關鍵詞： 生態(tài)足跡 三維模型 自然資本 可持續(xù)性 九龍江流域　出處：《資源科學》2017年05期 　論文類型：期刊論文

【摘要】：自然資本評估是研究區(qū)域生態(tài)系統(tǒng)平衡及可持續(xù)發(fā)展的重要方法。文章基于三維生態(tài)足跡模型,核算了2000-2015年九龍江流域不同地類及區(qū)域人均足跡深度、足跡廣度和三維生態(tài)足跡,并通過資本流量占用率和存量流量利用比等指標,詳細分析了區(qū)域自然資本流量、自然資本存量的占用情況及不同地類之間的差異。結果表明:(1)九龍江流域人均足跡深度由2.34增加至4.33,足跡廣度由0.463hm2/人增加至0.655hm2/人,三維生態(tài)足跡由1.08hm2/人不斷擴大至2.84hm2/人,說明區(qū)域自然資本流量占用逐漸增大,自然資本存量消耗快速上升,生態(tài)系統(tǒng)資源供給壓力加劇;(2)不同地類自然資本利用差異顯著,除林、草地外,其它用地從2011年開始均處于生態(tài)赤字狀態(tài);其中,化石能源用地需求增加最快,是區(qū)域生態(tài)足跡加速上升的最主要原因;(3)促進九龍江流域可持續(xù)發(fā)展在于增加資本流量限度、減少資本存量消耗,為此需要倡導節(jié)約型消費、加大耕地資源保護力度、科學規(guī)劃建設用地規(guī)模、提高能源利用效率等。
[Abstract]:Natural capital assessment is an important method to study the balance and sustainable development of regional ecosystem. The per capita footprint depth, footprint breadth and three dimensional ecological footprint of different land types and regions in Jiulong River Basin from 2000 to 2015 were calculated, and the utilization rate of capital flow and the utilization ratio of stock flow were used. The regional natural capital flow, the occupation of natural capital stock and the differences among different land types are analyzed in detail. The results show that the per capita footprint depth of Jiulong River basin increases from 2.34 to 4.33. The footprint breadth increased from 0.463hm2to 0.655hm2 / person, and the three-dimensional ecological footprint expanded from 1.08hm2to 2.84hm2 / person. It shows that the occupation of regional natural capital flow increases gradually, the consumption of natural capital stock increases rapidly, and the pressure of supply of ecosystem resources intensifies. (2) the utilization of natural capital of different land types is significantly different, except forest and grassland, the other land use has been in the state of ecological deficit since 2011; Among them, the demand for fossil energy land increases fastest, which is the main reason for the accelerated rise of the regional ecological footprint. 3) promoting the sustainable development of Jiulong River basin lies in increasing the limit of capital flow and reducing the consumption of capital stock. Therefore, it is necessary to advocate saving consumption, strengthen the protection of cultivated land resources, and scientifically plan the scale of construction land. Improve the efficiency of energy use, etc.
【作者單位】： 中國科學院城市環(huán)境與健康重點實驗室中國科學院城市環(huán)境研究所;中國科學院大學;廈門市城市代謝重點實驗室;
【基金】：國家自然科學基金項目(41371535,41690142) 福建省科技計劃項目引導性項目(2015Y0082)
【分類號】：F205;X22
【正文快照】： 1引言為定量研究自然資本的稟賦以及評估區(qū)域經濟社會發(fā)展的可持續(xù)性,20世紀80年代專家學者們提出自然資本核算這一概念,并進行了大量研究[1-4]。在此背景下,生態(tài)經濟學家Rees于1992年提出生態(tài)足跡的概念[5]。生態(tài)足跡方法為人類了解自然資源的利用狀況、評估區(qū)域發(fā)展可持續(xù)性

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