Study on adult somatotype of Derung by Heath-Carter method;

Studies on 7 kinds of behavioral traits of lateral functional dominance in Derung of Yunnan;

A Study of the Physical Characteristics of the Derung and Mang Peoples in China;

The circumference and its variation with age changes of the adults of Dulong nationality;

In this article,the author tries to make a root-seeking analysis on the Dulong Nationality,including those who "live within Chayu and Laoyu region…,and descendents of those who speak languages similar to the Dulong People" through combining relevant materials from historic books,travel notes and translated versions with his years of field investigation along the Dulong River Basin.

Based on the first-hand investigation of t he traditional farming culture of the Dulong nationality, this article discusses and analyses the types of their cultivated land, modes of farming,afforestation tradition,biological and ecological protection as well as their sustainable development.

Methods:The method we adopt is constitutional measurement,calculation of index and classification of physique of 120 people of Derung nationality in Dulong river town and Qiunatong village of Gongshan County according to principle of random sampling were carried out.