Table 1.

The trait overlap of observed community, annual species and perennial species.

	Treatments∖TIP/IC	2010	2012	2014
Community	N0W0	0.240	0.342	0.268
	N0W1	0.445∗	0.468	0.382
	N1W0	0.427∗	0.680∗	0.451∗
	N1W1	0.442∗	0.384	0.442∗
Annual species	N0W0	0.272	0.467	0.420
	N0W1	0.521∗	0.652∗	0.309
	N1W0	0.405∗	0.675∗	0.534∗
	N1W1	0.321	0.564∗	0.406
Perennial species	N0W0	0.340	0.366	0.462
	N0W1	0.251	0.276	0.309
	N1W0	0.686∗	0.465∗	0.534∗
	N1W1	0.632∗	0.451∗	0.406

All the data is log-transformed; Significance are indicated by star symbol (^∗P < 0.05).