典型农业小流域面源污染源解析与控制策略——以丹江口水源涵养区为例
龚世飞,丁武汉,居学海,肖能武,叶青松,黄进,李虎

Source Analysis and Control Strategies of Non-Point Source Pollution in Typical Agricultural Small Watershed: A Case Study of Danjiangkou Water Conservation Area
GONG ShiFei,DING WuHan,JU XueHai,XIAO NengWu,YE QingSong,HUANG Jin,LI Hu
表3 流域农业面源污染物负荷贡献
Table 3 Output contribution of pollutants from non-point agricultural sources in the watershed
行政村
Village
污染物
Pollutant
农村生活
Rural life (t·a-1)
畜禽养殖
Livestock and poultry breeding (t·a-1)
土地利用类型
Land use type (t·a-1)
合计
Total (t·a-1)
贡献率
Percent (%)

Pig

Cow

Sheep
家禽
Poultry
旱地
Dry land
林地
Woodland
园地
Garden
五道岭
Wudaoling
TN 0.14 0.09 - - 0.01 0.53 0.68 0.18 1.63 29.33
TP 0.03 0.02 - - 0.02 0.05 0.08 0.02 0.22 25.35
COD 1.89 0.31 - - 0.37 0.84 3.30 0.11 6.82 31.91
圩坪寺
Weipingsi
TN 0.10 2.72 - - 0.01 0.40 0.62 0.08 3.93 70.67
TP 0.02 0.49 - - 0.02 0.04 0.07 0.00 0.64 74.65
COD 1.53 8.97 - - 0.32 0.63 3.05 0.05 14.55 68.09
合计
Total (t·a-1)
TN 0.24 2.81 - - 0.02 0.93 1.30 0.26 5.56 100.00
TP 0.05 0.51 - - 0.04 0.09 0.15 0.02 0.86 100.00
COD 3.42 9.28 - - 0.69 1.47 6.35 0.16 21.37 100.00
贡献率
Percent (%)
TN 4.34 50.55 - - 0.36 16.71 23.36 4.67 100.00
TP 5.45 59.53 - - 4.67 10.51 17.51 2.33 100.00
COD 16.00 43.43 - - 3.23 6.88 29.72 0.75 100.00