Table 1.
Sample information from the Yancheng Biosphere Reserve, China
| Zone | Foraging habitat | Food sample | Number of samples |
|
| Nov.–Mar. 2013–2014 | Nov.–Mar. 2014–2015 | |||
| Core | Reed pond | Crabs | 7 | 8 |
| Reed root | 9 | 9 | ||
| Common seepweed community | Seepweed seed and leaf | 9 | 9 | |
| Crabs and snails | 6 | 7 | ||
| Buffer and experimental | Rice field | Rice grain | 8 | 7 |
| Wheat field | Wheat seedlings | 9 | 9 | |
| Aquaculture pond | Fish and shrimp | 7 | 9 | |
| Salt pan | Shellfish and fish | NAa | NA | |
a
NA: not available. According to the 2010–2015 winter survey, there were no cranes in salt pan, and no crane feeding was detected during the present sampling in this foraging habitat