Table 4.

Regressions predicting runoff and sediment and phosphorus loading during rainfall simulations on bare and vegetation sites from site characteristics conducted in June, August, and October 2008 and April 2009 and in June, August, and October 2009 and April 2010.

Item	Independent variable	Coefficient	Partial R 2
Runoff, % of applied	intercept	31.03	–
precipitation	bare ground, %	0.47	0.5050
	sward height, cm	−1.06	0.0610
	antecedent moisture content, g kg−1 (0–5 cm)	0.05	0.0055
	roughness index, cm	−5.42	0.0046
	slope, radians	16.18	0.0022
	total	–	0.5782
Sediment, kg ha−1	intercept	−1,564.16	–
	bare ground, %	61.40	0.3811
	slope, radians	5,964.1	0.0181
	total	–	0.3992
Phosphorus, g ha−1	intercept	−1,996.75	–
	bare ground, %	142.78	0.4302
	sward height, cm	−80.90	0.0045
	slope, radians	11,654.0	0.0136
	total	–	0.4483