<P> The single predator - single prey relationship between wolves and moose on Isle Royale in Lake Superior is unique , and has been the subject of detailed study for over 50 years . Isle Royale , the principal island of Isle Royale National Park in Michigan in the United States , is an isolated island with little migration of animals into and out of the island and as a national park human interaction and impact on the two species is also limited . Both the wolves and the moose first became established populations on Isle Royale in the 1900s . Over the fifty years of the study , the populations of both moose and wolves have shown repeated spikes and declines and have not settled to a balanced relationship . The moose populations have ranged from 500 to 2500 while the number of wolves has ranged from almost 50 to presently down to two . </P>
<P> The single predator - single prey relationship between wolves and moose on Isle Royale in Lake Superior is unique , and has been the subject of detailed study for over 50 years . Isle Royale , the principal island of Isle Royale National Park in Michigan in the United States , is an isolated island with little migration of animals into and out of the island and as a national park human interaction and impact on the two species is also limited . Both the wolves and the moose first became established populations on Isle Royale in the 1900s . Over the fifty years of the study , the populations of both moose and wolves have shown repeated spikes and declines and have not settled to a balanced relationship . The moose populations have ranged from 500 to 2500 while the number of wolves has ranged from almost 50 to presently down to two . </P>
arrival of moose on isle royale is an example of a
arrival of moose on isle royale is an example of a
single predator - single prey relationship
single predator - single prey relationship