Fig. 10

Stable carbon and nitrogen isotope values of pigs in middle reaches of the Han River. Ranges are displayed as mean ± standard deviation (Data from the Xiawanggang and Qinglongquan site).

Stable carbon and nitrogen isotope values of pigs in middle reaches of the Han River. Ranges are displayed as mean ± standard deviation (Data from the Xiawanggang and Qinglongquan site).