Table 5.

Correlation analysis between different plant functional traits of the four Stipa species.

Correlation coefficients	LN	LA	AB	BB	R/S	SLA	LAR
PH	−0.59**	0.09	0.26**	0.06	0.27**	−0.22**	−0.37**
LN		0.55**	0.44**	−0.49**	0.28**	0.32**	0.45**
LA			0.79**	−0.58**	−0.06	0.44**	0.45**
AB				−0.60**	0.21**	−0.05	0.06
BB					0.13*	−0.11**	−0.22**
R/S						0.09	−0.49**
SLA							0.69**

^*P < 0.05;

^**P < 0.01.