中國水生態(tài)足跡廣度、深度評價及空間格局
本文選題:水生態(tài)足跡廣度 + 水生態(tài)足跡深度。 參考:《生態(tài)學(xué)報》2017年21期
【摘要】:運用生態(tài)足跡方法對水資源進(jìn)行流量資本和存量資本區(qū)分,測算分析了中國31個省市1997—2014年的水生態(tài)足跡廣度與深度。結(jié)果顯示:(1)中國的水生態(tài)足跡廣度受年際水資源量豐枯影響,總體呈波動趨勢;各省市的水生態(tài)足跡廣度存在著明顯差異,南方地區(qū)水生態(tài)足跡廣度普遍大于北方地區(qū);(2)研究期內(nèi),中國的水生態(tài)足跡深度只有1998年為1,其余年份的水資源流量資本已不能滿足人類生產(chǎn)生活的需求,需要消耗水資源存量資本;各省市之間水生態(tài)足跡深度相差較大,整體上北方高南方低,其中14個省份18年的平均水生態(tài)足跡深度為1,平均水生態(tài)足跡深度最高的地區(qū)是寧夏的308.12;(3)運用空間自相關(guān)方法對31個省市的水生態(tài)足跡廣度和深度進(jìn)行分析得出,中國省際水生態(tài)足跡廣度與深度均存在明顯的空間集聚現(xiàn)象。水生態(tài)足跡廣度H-H集聚地區(qū)主要集中在中國南方地區(qū),水生態(tài)足跡深度H-H集聚地區(qū)主要集中在中國北方地區(qū)。通過對全國水生態(tài)足跡廣度與深度的測度分析為水生態(tài)足跡分析提供新的研究方法,同時也為區(qū)域水資源可持續(xù)利用提供理論依據(jù)。
[Abstract]:The ecological footprint method is used to distinguish the discharge capital and stock capital of water resources, and the breadth and depth of water ecological footprint of 31 provinces and cities in China from 1997 to 2014 are calculated and analyzed.The results show that the breadth of water ecological footprint of China is affected by the annual water resources volume, and the water ecological footprint of different provinces and cities has obvious differences.During the period of study, the depth of water ecological footprint in China was only 1 in 1998, and the capital of water resources discharge in the other years could not meet the needs of human production and life.Need to consume water resources stock capital; the depth of water ecological footprint varies greatly between provinces and cities, the whole north is high and the south is low,The average depth of water ecological footprint in 14 provinces is 1 in 18 years. The highest depth of water ecological footprint in Ningxia is 308.12 in Ningxia. The spatial autocorrelation method is used to analyze the breadth and depth of water ecological footprint in 31 provinces and cities.There are obvious spatial agglomeration phenomena in the breadth and depth of the ecological footprint of interprovincial water in China.The water ecological footprint breadth H-H concentration area is mainly concentrated in southern China, and the water ecological footprint depth H-H accumulation area is mainly concentrated in northern China.The measurement and analysis of the breadth and depth of water ecological footprint in China provide a new research method for the analysis of water ecological footprint, and also provide a theoretical basis for the sustainable utilization of regional water resources.
【作者單位】: 遼寧師范大學(xué)城市與環(huán)境學(xué)院;遼寧師范大學(xué)海洋經(jīng)濟(jì)與可持續(xù)發(fā)展研究中心;
【基金】:國家社會科學(xué)基金重點項目(16AJY009)
【分類號】:TV213.4;X22
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