Research ArticleResearch Section

Estimates of soil erosion and best management practice effectiveness at forestry stream crossings in North Carolina

A.J. Lang, W.A. Coats, T.A. Gerow and W.A. Swartley
Journal of Soil and Water Conservation May 2022, 77 (3) 292-304; DOI: https://doi.org/10.2489/jswc.2022.00110

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Figures

Tables

  • Table 1

    North Carolina Forest Service Forestry Best Management Practices (BMP) implementation survey questions for stream crossings and approach ways to stream crossings.

    Table 1
  • Table 2

    Distribution of stream crossing type and access method by ecoregion.

    Table 2
  • Table 3

    Distribution of best management practice (BMP) implementation scores for stream crossings by ecoregion. Letters in the median column signify no significant differences using Steel-Dwass All Pairs test at α = 0.05.

    Table 3
  • Table 4

    Distribution of best management practice (BMP) implementation scores for 220 stream crossings by ecoregion and stream crossing type. Values no followed by the same letter within a column specific to an ecoregion are significantly different using the Steel-Dwass All Pairs test at α = 0.05.

    Table 4
  • Table 5

    Distribution of best management practice (BMP) implementation scores for 220 stream crossings by ecoregion and access method. Values not followed by the same letter within a column specific to an ecoregion are significantly different using the Steel-Dwass All Pairs test at α = 0.05.

    Table 5
  • Table 6

    Summary statistics for Universal Soil Loss Equation estimates of erosion rates for 220 stream crossings by region and crossing type. Values not followed by the same letter within a column specific to an ecoregion are significantly different using the Steel-Dwass All Pairs test at α = 0.05.

    Table 6
  • Table 7

    Summary statistics for Universal Soil Loss Equation estimates of erosion rates for 220 stream crossings by ecoregion and access method. Values not followed by the same letter within a column specific to an ecoregion are significantly different using the Steel-Dwass All Pairs test at α = 0.05.

    Table 7
  • Table 8

    Summary statistics for erosion rates and best management practice (BMP) effectiveness for 220 stream crossings by ecoregion. Values not followed by the same letter within a column are significantly different using the Steel-Dwass All Pairs test at α = 0.05.

    Table 8
  • Table 9

    Modeled erosion quantity for 220 stream crossings as observed and modified to hypothetical “no-BMP” scenario.

    Table 9
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Estimates of soil erosion and best management practice effectiveness at forestry stream crossings in North Carolina
A.J. Lang, W.A. Coats, T.A. Gerow, W.A. Swartley
Journal of Soil and Water Conservation May 2022, 77 (3) 292-304; DOI: 10.2489/jswc.2022.00110
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