A global assessment of market accessibility and market influence for global environmental change studies

P.H. Verburg, E.C. Ellis, A. Letourneau

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    Abstract

    Markets influence the global patterns of urbanization, deforestation, agriculture and other land use systems. Yet market influence is rarely incorporated into spatially explicit global studies of environmental change, largely because consistent global data are lacking below the national level. Here we present the first high spatial resolution gridded data depicting market influence globally. The data jointly represent variations in both market strength and accessibility based on three market influence indices derived from an index of accessibility to market locations and national level gross domestic product (purchasing power parity). These indices show strong correspondence with human population density while also revealing several distinct and useful relationships with other global environmental patterns. As market influence grows, the need for high resolution global data on market influence and its dynamics will become increasingly important to understanding and forecasting global environmental change. © 2011 IOP Publishing Ltd.
    Original languageEnglish
    Article number034019
    Pages (from-to)1-12
    Number of pages12
    JournalEnvironmental Research Letters
    Volume6
    Issue number3
    DOIs
    Publication statusPublished - 2011

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