Table 2.

Analysis of richness, diversity and uniformity of 24 cities (2008–2018).

Year	N	Diversity index		d	E
		D	H
Baicheng City	10	1.000	0.203	0.255	0.088
Baishan City	12	0.993	0.750	0.304	0.302
Jilin City	16	0.999	0.312	0.665	0.113
Liaoyuan City	15	0.805	1.887	0.462	0.697
Siping City	13	0.992	0.522	0.999	0.203
Songyuan City	12	1.000	0.085	1.000	0.034
Tonghua City	13	0.998	0.432	0.588	0.169
Yanbian Korean Autonomous Prefecture	12	0.999	0.321	0.767	0.129
Changchun City	12	0.993	0.679	0.734	0.273
Nanjing City	15	0.921	1.726	0.255	0.637
Wuxi City	14	0.887	1.758	0.304	0.666
Xuzhou City	17	0.653	1.063	0.665	0.375
Changzhou City	16	0.732	1.728	0.462	0.623
Suzhou City	2	0.235	0.124	0.999	0.179
Nantong City	2	0.001	0.002	1.000	0.004
Lianyungang City	17	0.702	1.408	0.588	0.497
Huaian City	16	0.541	1.061	0.767	0.383
Yancheng City	16	0.595	1.104	0.734	0.398
Yangzhou City	16	0.695	1.274	0.646	0.459
Zhenjiang City	16	0.866	1.408	0.448	0.508
Taizhou City	16	0.669	1.343	0.633	0.484
Suqian City	14	0.472	0.974	0.780	0.369
Xiamen City	14	0.991	0.929	0.780	0.352
Chuxiong Yi Autonomous Prefecture	14	0.993	0.379	0.780	0.144