Table 2.

Correlation matrix of biotic and abiotic characteristics measured at each sampling location. Correlation coefficients (r) and p-values were produced using the Pearson correlation coefficient method.

proportion watershed agriculture
r = 0.49	proportion local agriculture
p = 0.02
r = −0.80	r = −0.69	buffer width
p = <0.01	p < 0.01
r = 0.54	r = 0.43	r = −0.53	turbidity
	p = 0.06	p < 0.01
p = 0.01
r = 0.56	r = 0.38	r = −0.49	r = 0.66	nitrogen
	p = 0.09	p = 0.03	p = <0.01
p = <0.01
r = 0.61	r = 0.18	r = −0.45	r = 0.61	r = 0.49	phosphorus
	p = 0.49	p = 0.05	p = <0.01	p = 0.03
p = <0.01
r = −0.69	r = −0.19	r = 0.43	r = −0.60	r = −0.44	r = −0.56	sinuosity
p = <0.01	p = 0.43	p = 0.06	p < 0.01	p = 0.05	p = <0.01
r = 0.25	r = 0.12	r = −0.07	r = 0.42	r = 0.19	r = 0.32	r = −0.24	water temperature
p = 0.28	p = 0.62	p = 0.75	p = 0.06	p = 0.42	p = 0.16	p = 0.32