Table 2 Elevation of Oncomelania surveyed frames in the Poyang Lake region of China
Area | Number of survey point | Elevation (m) | ||
|---|---|---|---|---|
Mean | Median | Extremum | ||
South Poyang Lake | 973 | 13.2 ± 1.1 | 12.9 | 11.1–15.8 |
North Poyang Lake | 263 | 12.0 ± 1.2 | 12.0 | 9.3–15.6 |