北ほく限げん

noun

northern limit; northernmost extent

Primarily used in ecology and biogeography for the northern boundary of a species' distribution, but also applicable to other geographical limits.

• この植しょく物ぶつの北ほく限げんは北ほっ海かい道どう南なん部ぶです。

  The northern limit of this plant is southern Hokkaido.

• 温おん暖だん化かで多おおくの種しゅの北ほく限げんが北ほく上じょうしている。

  Due to global warming, the northern limits of many species are moving northward.