Development of a constructed wetland network for mitigating nonpoint source pollution through a GIS-based watershed-scale inexact optimization approach

•A GIS-based watershed-scale inexact optimization approach is developed.•CTI and ECM are used to identify wetland sites and estimate NPS loads, respectively.•FSTP is applied to identify the optimal wetland network for reducing NPS loads.•It can handle uncertainties and offer a bridge of policies and...

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