The Scientific World Journal / 2014 / Article / Tab 6

Research Article

Assessment of the Impacts of Land Use Changes on Nonpoint Source Pollution Inputs Upstream of the Three Gorges Reservoir

Table 6

Spearman correlation coefficients and probabilities ( value). Correlations between percentage of land use conversion within a subbasin and water quality variables. Bold coefficients indicate significant relationships.

20002010CodeArea (km2)P_NP_PD_ND_P

UplandPasture516.85−0.47 −0.53−0.65
0.090.030.050.01
PastureWater1218.84−0.21−0.61−0.15−0.70
0.730.280.810.19
UplandWater1512.63 0.46
0.000.020.030.16
PastureUpland3017.180.320.650.450.56
0.540.160.370.24
Paddy fieldUpland3210.17−0.47−0.45−0.29−0.55
0.430.450.640.34
ShrublandUpland3510.700.080.850.080.21
0.850.650.850.62
UplandShrubland5112.16−0.45 −0.25−0.52
0.140.030.440.08
Upland Orchard6017.080.130.020.110.04
0.700.950.700.90

P_N: percent changes in total nitrogen %.
P_P: percent changes in total phosphorus %.
D_N: differences in total nitrogen (kg·ha-1).
D_P: differences in total phosphorus (kg·ha-1).
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