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dc.contributor.authorYue, D.
dc.contributor.authorXu, X.
dc.contributor.authorHui, C.
dc.contributor.authorXiong, Y.
dc.contributor.authorHan, X.
dc.contributor.authorMa, J.
dc.date.accessioned2011-10-03T09:32:50Z
dc.date.available2011-10-03T09:32:50Z
dc.date.issued2011
dc.identifier.citationYue, D.X., Xu, X.F., Hui, C., Xiong, Y.C., Han, X.M. & Ma, J.H. (2011) Biocapacity supply and demand in Northwestern China: a spatial appraisal of sustainability. Ecological Economics, 70: 988-994.en
dc.identifier.issn0921-8009en
dc.identifier.urihttp://hdl.handle.net/123456789/951
dc.description.abstractIntegrating spatial analysis with the supply and demand of biocapacity is critical for the sustainable development of regional eco-economic systems. Previous studies have focused on the temporal analysis of biocapacity at broad geographical scales, but lacked the systematic spatial realization at fine scales. An improvement is proposed of this conventional methodology of the ecological footprint by incorporating landuse data derived from high-resolution remote-sensing images into the calculation of biocapacity supply at regional, provincial and county levels in Northwestern China in 2000. The spatial heterogeneity and its effect on the biocapacity supply were systematically revealed for this region. First, the biocapacity supply declined from the east (the Guanzhong Basin and the Loess Plateau) to the middle (the Qaidam Basin and the Turpan Basin), and turned to rise from the middle to the west (the northwest of the Xinjiang Uygur Autonomy). Second, although the gap between biocapacity supply and demand resulted in a small ecological deficit at the regional level, a large ecological deficit was observed at the provincial and county levels, highlighting an unsustainable situation for some of the sub-regions. Importantly, a power law relationship was unveiled between the biocapacity supply and population density, suggesting that (i) the biocapacity supply as a critical indicator could reflect the intensity of human exploitation on local biophysical resources and (ii) humans tend to have a preference to inhabit those areas with high biological productivity. These results provide opportunities to enhance policy development by central and local governments as part of the long-term Great Western Development Strategy of China.en
dc.description.sponsorshipThis work was supported by the National Natural Science Foundation of China (Nos. 40671179, 70873053 and 40721061), the Program for New Century Excellent Talents in University (NECT-09- 0449), the National Social Science Foundation of China (Nos. 07XTQ004 and 06XJY004), the National Key Technology R&D Program of China (No. 2007BAC03A11-02), The National Basic Research Program of China (No.2009CB421308), and the Chinese 111 program of the Ministry of Education.en
dc.format.extent1007342 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.subjectBiocapacityen
dc.subjectEcological footprinten
dc.subjectRemote sensingen
dc.subjectSpatial heterogeneityen
dc.titleBiocapacity supply and demand in Northwestern China: a spatial appraisal of sustainabilityen
dc.typeJournalArticlesen
dc.cibjournalEcological Economicsen
dc.cibprojectRisk assessment and scenario planningen


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