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. 2007 Jul 13;73(17):5401–5410. doi: 10.1128/AEM.00354-07

TABLE 2.

Land use and surface water catchment area characteristics for the suite of catchments within the South Nation River watershed

Site Catchment size (km2) % Catchment area surveyed in 2005 Upstream distance from sampling site to upper margin of surveyed area (km) % Land surveyedd
Dairy or cattle pasture Cropa Urbanb Naturalc
MST 1 2,370.6 16 53.0 4 38 1 15
MST 2 2,371.1 16 53.5 4 38 1 15
MST 3 3.0 72 3.4 0 17 2 27
MST 4 723.5 2 12.9 2 41 8 13
MST 5 80.9 38 24.0 2 46 0 11
MST 6 176.2 76 41.3 5 32 1 23
MST 7 1,215.9 4 26.5 5 48 0 10
MST 8 1,412.8 14 44.5 4 37 1 18
MST 9 54.3 70 15.8 4 36 0 19
MST 10 67.5 75 21.0 4 38 1 15
MST 11 1,548.0 18 49.6 4 39 1 15
MST 12 95.6 48 32.9 3 46 0 11
MST 13 88.0 43 28.3 3 44 0 11
MST 14 2.2 100 3.4 9 36 1 5
MST 15 2.9 100 6.9 3 54 0 0
MST 16 738.5 3 19.7 2 28 3 19
MST 17 1,450.3 16 47.9 4 38 1 16
MST 18 2.8 100 6.3 0 56 0 0
MST 19 1.8 100 4.4 1 70 0 0
MST 20 4.3 100 6.0 2 53 0 13
MST 21 1.8 100 4.5 3 56 0 14
MST 22 2.8 100 6.4 0 55 0 0
a

Crop land is land under corn, soybean, wheat, or other production, excluding farmland devoted to forages (e.g., alfalfa, grass, clover).

b

Urban land excludes housing associated with a farming operation.

c

Natural land includes wetland, exposed rock, shrub land, or forest.

d

Rounded to the nearest percent.