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Optimum Detailed Standards to Control Non-Point Source Pollution Priority Management Areas: Centered on Highland Agriculture Watershed

Author

Listed:
  • Jinsun Kim

    (National Institute of Environmental Research, Incheon 22689, Korea)

  • Baekyung Park

    (National Institute of Environmental Research, Incheon 22689, Korea)

  • Jiyeon Choi

    (National Institute of Environmental Research, Incheon 22689, Korea)

  • Minji Park

    (National Institute of Environmental Research, Incheon 22689, Korea)

  • Jong Mun Lee

    (National Institute of Environmental Research, Incheon 22689, Korea)

  • Kyunghyun Kim

    (National Institute of Environmental Research, Incheon 22689, Korea)

  • Yongseok Kim

    (National Institute of Environmental Research, Incheon 22689, Korea)

Abstract

The Ministry of Environment in Korea aims to reduce non-point source (NPS) pollution and improve soil water management by expanding NPS priority management areas. Six NPS priority management areas to reduce suspended solids (SS) according to soil loss were chosen as they either constitute serious hazards to the natural ecosystem due to NPS pollutants or they are areas with unusual geologic structure or strata. Although more comprehensive standards are required for effective NPS management, however, no detailed consideration factors and standards are available in the legal provisions. Therefore, in this study, based on the existing six priority NPS management areas and using results from previous studies, we present detailed legal designation standards. We found that the higher the altitude, slope, and field area ratio, the higher the effect of SS on water quality during rainfall. Additionally, there is a high correlation as R 2 0.9813 between SS and the habitat and riparian index. These results are useful for establishing detailed standards for areas requiring an NPS management system, future expansion of the NPS priority management area designation, and policymaking and research for reducing NPS pollution in Korea.

Suggested Citation

  • Jinsun Kim & Baekyung Park & Jiyeon Choi & Minji Park & Jong Mun Lee & Kyunghyun Kim & Yongseok Kim, 2021. "Optimum Detailed Standards to Control Non-Point Source Pollution Priority Management Areas: Centered on Highland Agriculture Watershed," Sustainability, MDPI, vol. 13(17), pages 1-16, September.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:17:p:9842-:d:627618
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    References listed on IDEAS

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    1. Jang, Sun Sook & Ahn, So Ra & Kim, Seong Joon, 2017. "Evaluation of executable best management practices in Haean highland agricultural catchment of South Korea using SWAT," Agricultural Water Management, Elsevier, vol. 180(PB), pages 224-234.
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