5 archaea from 4 sediment and 1 water samples from thermokarst (thaw) ponds
MID1 = surface water sample from polygonal pond BYL1, MID4 = surface sediment from runnel pond BYL27, MID5 =  surface sediment from polygonal pond BYL1, MID7 = surface sediment from polygonal pond BYL22, MID8 = surface sediment from runnel pond BYL24