Table 4.

The average distance between EMCVs of different ethnic groups and their nearest rivers（Km）.

Tibetan	Pumi	Naxi	Bai	Lisu	Yi	Hui	Miao	Hani	Bulang	Wa	Lahu	Zhuang	Dai
2.6	2.56	2.46	2.05	1.9	1.8	1.75	1.6	1.5	1.4	1.39	1.38	1.05	0.89