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Spatial Variation in Agricultural BMPs and Relationships with Nutrient Yields Across New York State Watersheds

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  • Rebecca Schewe

    (Syracuse University)

  • Lidiia Iavorivska

    (Pennsylvania State University)

  • Christa Kelleher

    (Lafayette College)

Abstract

Agricultural nutrients nitrogen and phosphorus can subsequently be transported to waterways and are often managed through the adoption of best management practices (BMPs). However, we have a poor understanding of how the use of BMPs varies spatially and how BMP adoption might be related to nutrient yields in surface waters. To address this, we performed a survey of agricultural landowners across New York State and compared this with estimates of annual incremental nitrogen and phosphorus yields of agricultural origin from the Spatially Referenced Regressions On Watershed attributes (SPARROW) model. Using these socio-behavioral data and SPARROW predictions, we perform colocation analysis to identify areas where watersheds with high nutrient yield from agriculture are collocated with non-use of agricultural BMPs. This colocation analysis offers a novel methodology for identifying areas where monitoring of waterways and promotion of best management practices could be targeted to achieve the greatest benefits.

Suggested Citation

  • Rebecca Schewe & Lidiia Iavorivska & Christa Kelleher, 2024. "Spatial Variation in Agricultural BMPs and Relationships with Nutrient Yields Across New York State Watersheds," Environmental Management, Springer, vol. 74(4), pages 729-741, October.
    • Handle: RePEc:spr:envman:v:74:y:2024:i:4:d:10.1007_s00267-024-02008-x
    DOI: 10.1007/s00267-024-02008-x
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