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

Table 7

Fitted models and model performance of TN and TP changes.

Standardized regression coefficients
Land use change types			𝐶TN	𝐶TP
2000	2010	code
Upland	Pasture	5	−0.17	−0.32
Pasture	Water	12	0.05	0.04
Upland	Water	15	0.33	0.45
Pasture	Upland	30	0.001	−0.31
Paddy field	Upland	32	−0.18	−0.19
Shrubland	Upland	35	−0.16	−0.18
Upland	Shrubland	51	−0.21	−0.26
Upland	Orchard	60	0.02	0.30
Model performance
𝑛			23	23
𝐹 statistic			13.26	7.24
𝑃 value			0.001	0.002
𝑅^2			0.56	0.62