Table 1. Estimation of the cyanobacterial diversity based on 16S rRNA gene pyrosequencing in 21 plateau lakes.

	No. of observed OTU0.03	Chao10.03	Shannon-Wiener diversity index H’	Pielou evenness index J
DTH	55	55	2.99	0.75
YH	7	17	1.69	0.87
BLH	14	14	0.40	0.15
QHH	3	6	1.10	1.00
CQH	8	11	1.64	0.79
CH	6	7	0.72	0.40
XH	28	29	2.78	0.84
NPH	8	8	1.83	0.88
CHSD	20	29	2.52	0.84
LSH	4	10	1.39	1.00
HFSD	3	4	0.87	0.79
PZH	6	6	1.03	0.58
SJH	3	3	0.96	0.87
SDH	15	15	1.43	0.53
WBH	11	12	1.69	0.70
JH	11	14	0.69	0.29
TC	12	13	1.26	0.51
CBH	5	7	0.40	0.25
BTH	10	11	1.37	0.60
HXH	7	8	1.71	0.88
QSH	8	18	1.13	0.54