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With the growth of the biofuel complex, the concept of ‘marginal land’ has emerged as a term commonly associated with the promotion of agrofuels. Remote sensing and other data are used to globally characterize land as marginal based on predominantly biophysical features that render it ‘non-competitive’ for the purpose of commercial food agriculture. This paper explores the limitations of current geospatial technologies in determining whether marginal land is appropriate for bioenergy crops given that (i) people often have intentions behind land use that are not reflected in most routinely collected remote sensing data and (ii) a remote (and spatio-temporally static) characterization of marginality is unable to capture the shifting character of what constitutes marginality in an economic sense and is therefore a non-sequitur for guiding land use decisions on the ground. This paper also explores the latent values embedded in the ontology of a macro-scale ‘marginal land’ land cover class and advances the notion that ‘marginal land’ as an artificial spatial construct serves to re-frame land in a way that neglects socio-ecological processes in order to re-frame it in support of principles based in resource productivism.
