Lynx fall prey to the vagaries of weather

日期:2019-03-07 09:18:01 作者:司寇楔 阅读:

THE rise and fall of Canada’s lynx population is tied to the climate cycle of El Niño’s Atlantic cousin, researchers have discovered. Lynx mainly prey on snowshoe hares and their numbers boom and bust in the same 10-year cycle. But using a century of lynx fur-trapping records, Nils Stenseth of the Norwegian Academy of Science in Oslo and his colleagues found that the cycles of the lynx population were different in the three major Canadian climate zones ( Science, vol 285, p 1071). Each zone responds differently to the North Atlantic Oscillation,