Table 1.

Diversity of birds observed in the different river wetlands during the different seasons.

Diversity	River	Summer	Autumn	Winter	Spring
Species richness index	Zhao River	34.33 ± 3.30	50.50 ± 3.50	51.80 ± 11.23	34.50 ± 0.50
	Zhegao River	39.33 ± 2.49	45.50 ± 0.50	46.20 ± 10.07	36.50 ± 2.50
	Hangbu River	34.00 ± 2.16	51.00 ± 3.00	39.80 ± 5.64	35.00 ± 3.00
	Baishitian River	36.00 ± 0.00	44.00 ± 2.00	45.40 ± 4.92	37.00 ± 5.00
	Nanfei River	33.67 ± 3.09	46.00 ± 6.00	34.80 ± 3.76	33.50 ± 0.50
	Shiwuli River	32.67 ± 3.68	48.50 ± 1.50	42.40 ± 5.85	34.50 ± 0.50
	Pai River	35.00 ± 2.94	40.50 ± 0.50	41.00 ± 8.44	35.50 ± 1.50
Shannon–Wiener index	Zhao River	3.00 ± 0.13	3.47 ± 0.06	2.71 ± 0.53	3.17 ± 0.01
	Zhegao River	3.01 ± 0.06	3.36 ± 0.01	2.80 ± 0.47	3.20 ± 0.07
	Hangbu River	2.72 ± 0.09	3.47 ± 0.01	2.53 ± 0.73	3.12 ± 0.02
	Baishitian River	3.01 ± 0.01	3.39 ± 0.04	2.79 ± 0.20	3.18 ± 0.05
	Nanfei River	2.81 ± 0.02	3.38 ± 0.09	2.41 ± 0.43	3.16 ± 0.02
	Shiwuli River	3.04 ± 0.05	3.45 ± 0.02	3.10 ± 0.26	3.21 ± 0.01
	Pai River	3.02 ± 0.07	3.32 ± 0.02	2.36 ± 0.67	3.15 ± 0.04
Pielou index	Zhao River	0.46 ± 0.03	0.56 ± 0.01	0.39 ± 0.08	0.50 ± 0.00
	Zhegao River	0.46 ± 0.01	0.55 ± 0.00	0.41 ± 0.09	0.52 ± 0.01
	Hangbu River	0.40 ± 0.02	0.57 ± 0.01	0.38 ± 0.13	0.50 ± 0.00
	Baishitian River	0.46 ± 0.00	0.57 ± 0.01	0.42 ± 0.03	0.50 ± 0.01
	Nanfei River	0.42 ± 0.00	0.57 ± 0.02	0.37 ± 0.08	0.50 ± 0.00
	Shiwuli River	0.46 ± 0.01	0.59 ± 0.00	0.50 ± 0.05	0.51 ± 0.00
	Pai River	0.46 ± 0.01	0.55 ± 0.00	0.33 ± 0.11	0.49 ± 0.01