Understanding the role of illicit transactions in land-change dynamics

Related GLP Member: Billie L. Turner, Elizabeth Tellman, Peter Verburg, Nicholas Magliocca

Anthropogenic land use has irrevocably transformed the natural systems on which humankind relies. Advances in remote sensing have led to an improved understanding of where, why and how social and economic processes drive globally important land-use changes, from deforestation to urbanization. The role of illicit activities, however, is often absent in land change analysis. The paucity of data on unrecorded, intentionally hidden transactions makes them difficult to incorporate into spatially specific analyses of land change. We present a conceptual framework of illicit land transactions and a two-pronged approach using remotely sensed data to spatially link illicit activities to land uses. Advances in remote sensing have helped to understand the human drivers of land-use change globally, but have neglected the role of illicit transactions. This Perspective presents a framework to identify illicit land transactions, and an approach to link them to land uses using remotely sensed data.

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