Voles, Mice and Lemmings: Problems in Population Dynamics

abundance Agric Apodemus Archives arctic fox autumn birds breeding Canadian caribou catch caught caused Chapter Chimo coast coloured fox crops cycle damage Danysz Davis Inlet decrease deer density disease dogs ecological epidemic Eskimos Esquimaux Bay evidence field figures fluctuations forest Fort Chimo fur returns fur trade George's River Hamilton Inlet Hebron herd Hopedale Hudson's Bay Company hunting increase Indians Island killed Killinek Koksoak Lake land Leaf River lemmings live London Makkovik mammals marten McKenzie Microtus migration Moravian Missions mouse mouse-like rodents Nain natives natural Northern Labrador Norway numbers observations Okak outbreaks Outfit peak period plentiful posts predators Quebec Peninsula records region reports rodents scarce scarcity season skins snow snowy owls southern species spring stations Strait Stupart's Bay summer tion trapping Ungava Bay Ungava District vole plagues voles and mice WF & CF Whale River white foxes wild winter