Journal
ENVIRONMENTAL MODELLING & SOFTWARE
Volume 107, Issue -, Pages 105-118Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envsoft.2018.06.006
Keywords
Ecosystem services; Environmental impact assessment; Ecosystem modeling; Trade-off analysis; Multi-objective optimization
Categories
Funding
- USDA/NIFA project [2011-67009-30083]
- Fulbright Vietnam scholarship
- Multidisciplinary Approaches to Sustainable BioEnergy PhD program - United States National Science Foundation
- Hue University of Agriculture and Forestry, Vietnam (HUAF)
- Shell Technology Center Houston
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Agricultural land management often involves trade-offs between ecosystem services (ES) and disservices (EDS). Balancing these trade-offs to achieve low-impact production of agricultural commodities requires rigorous approaches for quantifying and optimizing ES and EDS, reconciling biophysical constraints and different management objectives. In this study, we demonstrate a high-resolution spatially-explicit analysis of ES and EDS trade-offs for irrigated corn production systems in the South Platte River Basin, Colorado, USA, as a case study. The analysis integrated a biogeochemical model (DayCent) with optimization algorithms to assess trade-offs between multiple ES and EDS indicators, including net primary production, soil organic carbon, water use, nitrogen leaching, and greenhouse gas emissions. Our results show a large fraction of total potential system productivity (up to 21 Mg ha(-1) year(-1)) can be realized at minimal ecosystem impacts through careful land management decisions. Our analysis also explores how different land management objectives imply different landscape configurations.
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