Payments for ecosystem services: a review of definitions, the role of spatial scales, and critique
Josef Kaiser, Department of Geography, Humboldt-Universitšt zu Berlin
Dagmar Haase, Department of Geography, Humboldt-Universitšt zu Berlin; Department of Computational Landscape Ecology, Helmholtz Centre for Environmental Research (UFZ)
Tobias Krueger, Department of Geography, Humboldt-Universitšt zu Berlin; Integrative Research Institute on Transformations of Human-Environment Systems (IRI THESys), Humboldt-Universitšt zu Berlin
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The economic conservation instrument of payments for ecosystem services (PES) enjoys an increasing popularity among scientists, politicians, and civil society organizations alike, while others raise concerns regarding the ecological effectiveness and social justice of this instrument. In this review article, we showcase the variety of existing PES definitions and systematically locate these definitions in the range between Coasean conceptualizations, which describe PES as conditional and voluntary private negotiations between ES providers and ES beneficiaries, and much broader Pigouvian PES understandings that also assign government-funded and involuntary schemes to the PES approach. It turns out that the scale at which PES operate, having so far received very little attention in the literature, as well as critique of PES must be considered in the context of the diversity of definitions to ensure the comparability between studies researching PES programs. Future research should better target linkages between global, regional, and local scales for the development of PES programs, while taking local collective governance systems for a sustainable use of resources into account more seriously.
collective action; critique of PES; environmental governance; neoliberal conservation; payments for ecosystem services; PES definition; spatial scales
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