Agricultural Nonpoint Source Pollution in the Erhai Lake Basin: A Landscape Governance Challenge

洱海流域农业面源污染：景观尺度的治理挑战

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Erhai Lake’s eutrophication crisis stems less from industrial effluent than from diffuse nitrogen and phosphorus runoff generated across 2,300 square kilometers of fragmented smallholder farms.
Unlike point-source regulation, controlling nonpoint pollution demands landscape-scale coordination — integrating terracing, buffer strips, and rice-duck farming across property lines and administrative jurisdictions.

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