Table 2 Conservation status of three Eurasian GWFG populations in summering, wintering and stopover sites during migration daytime, the percentage of home rang distributed in protected area (the national nature reserves data is used in China, World Database on Protected Areas data set is used outside China)
Population | Item | Summer | Autumn_inRUS | Autumn_outRUS | Winter | Spring_outRUS | Spring_inRUS | Total |
|---|---|---|---|---|---|---|---|---|
North Sea-Baltic population (N = 18) | Protected rang (km2) | 59 | 700 | 3884 | 8947 | 1112 | 91 | 14,793 |
Home range (km2) | 630 | 2821 | 15,310 | 32,916 | 10,618 | 2759 | 65,054 | |
Percentage (%) | 9 | 25 | 25 | 27% | 10 | 3 | 23 | |
Duration (day) | 2077 | 899 | 133 | 4214 | 735 | 830 | 8888 | |
East Asia Continental population (N = 16) | Protected rang (km2) | 6797 | 96 | 1975 | 1301 | 5706 | 551 | 16,427 |
Home range (km2) | 9143 | 150 | 6069 | 2744 | 27,714 | 1730 | 47,549 | |
Percentage (%) | 74 | 64 | 33 | 47 | 21 | 32 | 35 | |
Duration (day) | 2292 | 14 | 490 | 2931 | 1056 | 308 | 7091 | |
West Pacific population (N = 44) | Protected rang (km2) | 4266 | 196 | 2900 | 1402 | 7730 | 187 | 16,680 |
Home range (km2) | 15,653 | 823 | 5895 | 21,218 | 23,339 | 1115 | 68,043 | |
Percentage (%) | 27 | 24 | 49 | 7 | 33 | 17 | 25 | |
Duration (day) | 3996 | 273 | 712 | 5368 | 783 | 231 | 11,363 |