The Return of Caribou to Ungava

摘要: The George River caribou herd increased from 15,000 animals in 1958 to 700,000 1988 - the largest world at time. authors trace fluctuations this population back 1700s, detail how escaped extinction 1950s, and consider current environmental threats its survival. In an examination of life history biology herd, Return Caribou Ungava offers a synthesis basic biological traits caribou, new hypothesis about why they migrate, comparison populations North America, Scandinavia, Russia. conclude that old maxim, "Nobody knows way caribou," is no longer valid. Based on study which were tracked by satellite across Ungava, find are able navigate, even unfamiliar habitats, return their calving ground, movement central caribou's cyclical migration. also examines whether can adapt global warming other changing realities.