Table 1: Observation sites.

No. Name Zone Region Coordinates Material
N E
1 Voykar Northern Taiga Lower Ob River basin 65º46′ 64º02′ photo
2 Azovy-Gorki Northern Taiga Lower Ob River floodplain 65º03′ 65º06′ photo
3 Muzhi Northern Taiga Lower Ob River floodplain 65º25′ 64º55′ photo, carcasses
4 Aksarka Forest tundra Lower Ob River floodplain 66º43′ 68º06′ photo
5 Yarsale Forest tundra Lower Ob River floodplain 66º43′ 71º07′ photo
6 Kharp Forest tundra Lower Ob River basin 66º46′ 66º23′ carcasses
7 Porsyakha Southern tundra Southern Yamal peninsula 67º24′ 71º04′ carcasses
8 Novy Port Southern tundra Yamal peninsula 67º52′ 72º25′ photo
9 Erkuta Southern tundra Yamal peninsula 68º13′ 69º10′ photo
10 Yurkharovo Southern tundra Taz peninsula 67º46′ 77º00′ photo