Attributes / relations provided by
♦ 1OLIVIER GILG1, BENOÎT SITTLER, AND ILKKA HANSKI,
WILL COLLARED LEMMINGS AND THEIR PREDATORS BE THE FIRST VERTEBRATES TO “FALL OVER THE CLIFF” IN GREENLAND DUE TO GLOBAL CLIMATE CHANGES? Gyrfalcons and Ptarmigan in a Changing World – Conference Proceedings 2011, p. 131-132
♦ 2Predatorprey relationships: arctic foxes and lemmings, Anders Angerbjorn, Magnus Tannerfeldt and Sam Erlinge, Journal of Animal Ecology, Volume 68, Issue 1, Pages 34-49
♦ 3Lepus arcticus, Troy L. Best and Travis Hill Henry, MAMMALIAN SPECIES No. 457, pp. 1-9 (1994)