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"The Lemming Cycle" (PDF). Archived from the original (PDF) on 2005-12-23 (92.6 KiB). {}: CS1 maint: postscript Article by Nils Christian Stenseth on the population cycles of lemmings and other northern rodents. "Collared Lemming" (PDF). Archived from the original (PDF) on 2006-09-03
It was finally identified that the cycle of high and low catches ran over approximately a ten-year period. The most well known example of creatures which have a population cycle is the lemming. [3] The biologist Charles Sutherland Elton first identified in 1924 that the lemming had regular cycles of population growth and decline. When their ...
The Norway lemming has a dramatic three- to four-year population cycle, in which the species' population periodically rises to unsustainable levels, leading to high mortality, which causes the population to crash again. The Norway lemming spends the winter in nests under the snow.
Here populations are allowed to increase above their normal capacity because there is a time lag until negative feedback mechanisms bring the population back down. This effect has been used to explain the widely fluctuating population cycles of lemmings, [3] forest insects as well as the population cycles of larger mammals such as moose and ...
Lemming populations go through a three- or four-year cycle of boom and bust. When their population peaks, lemmings disperse from overcrowded areas. Remains of these animals dating back to the end of the last ice age have been discovered in the Ottawa valley , far south of their current range.
These lemmings are found predominantly in tundra or high elevations. Populations can fluctuate widely and mass migrations do take place. This mass migration is probably the source of the myth that lemmings commit mass suicide. These intense population booms appear to be most common in the northern part of its range (such as Lapland).
Lemmings are rodents, similar to muskrats, native to arctic regions. In 1958, the Disney company created a wildlife documentary, “White Wilderness,” as part of its “True Life Adventure ...
Collared lemming lying on ground. The northern collared lemming or Nearctic collared lemming (Dicrostonyx groenlandicus), sometimes called the Peary Land collared lemming in Canada, is a small lemming found in Arctic North America and Wrangel Island. At one time, it was considered to be a subspecies of the Arctic lemming (Dicrostonyx torquatus).