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Water 2018, 10(11), 1578;

Socioeconomic and Environmental Proxies for Comparing Freshwater Ecosystem Service Threats across International Sites: A Diagnostic Approach

Environmental Systems Graduate Program, Department of Civil & Environmental Engineering, University of California Merced, Merced, CA 94343, USA
Environmental and Urban Studies, Bard College, Annandale-on-Hudson, New York, NY 12504, USA
Department of Biology, University of Nevada, Reno, NV 89557, USA
Centro de Manejo Costero (CURE), Universidad de la República, Maldonado 20000, Uruguay
Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA
Department of Civil and Environmental Engineering, Universidad del Norte, Barranquilla 080001, Colombia
Center for Tropical Paleoecology and Archaeology, Smithsonian Tropical Research Institute, Panama City 32401, Panama
Department of History and Social Sciences, Universidad del Norte, Barranquilla 080001, Colombia
Instituto Argentino de Oceanografía, CONICET & Universidad Nacional del Sur, Bahía Blanca 8000, Argentina
Institute of the Environment, University of California Los Angeles, Los Angeles, CA 90095, USA
Centro de Investigaciones en Ecosistemas de la Patagonia, Universidad Austral de Chile, Coyhaique 5951601, Chile
Department of Biology, Queen’s University, Kingston, ON K7L 3N6, Canada
Dorset Environmental Science Centre, Dorset, ON P0A 1E0, Canada
Department of Geology, University of Regina, Regina, SK S4S 4P5, Canada
Department of Civil Engineering, Universidad Pontificia Bolivariana, Bucaramanga 681007, Colombia
Department of Geography, University of Vermont, Burlington, VT 05405, USA
Instituto de Investigaciones Económicas y Sociales del Sur—CONICET & Universidad Nacional del Sur Argentina, Bahía Blanca 8000, Argentina
Sección Limnología, IECA, Facultad de Ciencias, Universidad de la República, Montevideo 11400, Uruguay
Author to whom correspondence should be addressed.
Received: 11 September 2018 / Revised: 24 October 2018 / Accepted: 2 November 2018 / Published: 4 November 2018
(This article belongs to the Special Issue Current and Emerging Issues Surrounding Water in the Americas)
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In this work, we develop and test proxy-based diagnostic tools for comparing freshwater ecosystem services (FWES) risks across an international array of freshwater ecosystems. FWES threats are increasing rapidly under pressure from population, climate change, pollution, land use change, and other factors. We identified spatially explicit FWES threats estimates (referred to as threat benchmarks) and extracted watershed-specific values for an array of aquatic ecosystems in the Western Hemisphere (Ramsar sites). We compared these benchmark values to values extracted for sites associated with an international FWES threat investigation. The resulting benchmark threats appeared to provide a meaningful context for the diagnostic assessment of study site selection by revealing gaps in coverage of the underlying socio-environmental problem. In an effort to simplify the method, we tested regularly updated environmental and socioeconomic metrics as potential proxies for the benchmark threats using regression analysis. Three category proxies, aggregated from (i) external (global to regional, climate-related), (ii) internal (watershed management-related), and (iii) socioeconomic and governance related proxies produced strong relationships with water supply threat benchmarks, but only weak relationships with biodiversity-related and nutrient regulation benchmark threats. Our results demonstrate the utility of advancing global FWES status and threat benchmarks for organizing coordinated research efforts and prioritizing decisions with regard to international socio-environmental problems. View Full-Text
Keywords: socio-environmental systems; ecosystem services; risk analysis; anthropogenic pressure; human pressure; experimental design socio-environmental systems; ecosystem services; risk analysis; anthropogenic pressure; human pressure; experimental design

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Harmon, T.C.; Smyth, R.L.; Chandra, S.; Conde, D.; Dhungel, R.; Escobar, J.; Hoyos, N.; Lozoya, J.P.; Nin, M.; Perillo, G.M.; Pincetl, S.; Piccolo, M.C.; Reid, B.; Rusak, J.A.; Scordo, F.; Velez, M.I.; Villamizar, S.R.; Wemple, B.; Zilio, M. Socioeconomic and Environmental Proxies for Comparing Freshwater Ecosystem Service Threats across International Sites: A Diagnostic Approach. Water 2018, 10, 1578.

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