Isle Royale is a remote wilderness island, isolated by the frigid waters of Lake Superior, and home to populations of wolves and moose. As predator and prey, their lives and deaths are linked in a drama that is timeless and historic. Their lives are historic because we have been documenting their lives for more than five decades. This research project is the longest continuous study of any predator-prey system in the world.
Read the annual reports produced by this study below.
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Ecological Studies of the Wolf on Isle Royale, 1973-1974
Rolf O. Peterson and Durward L. Allen
Fourth Annual Report 1973-1974 (Covering the sixteenth year in the Isle Royale Studies)
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Ecological Studies of the Wolf on Isle Royale, 1972-1973
Rolf O. Peterson and Durward L. Allen
Third Annual Report 1972-1973 (Covering the fifteenth year in the Isle Royale Studies)
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Ecological Studies of the Wolf on Isle Royale, 1971-1972
Rolf O. Peterson and Durward L. Allen
Second Annual Report 1971-1972 (Covering the fourteenth year in the Isle Royale Studies)
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Ecological Studies of the wolf on Isle Royale, 1970-1971
Rolf O. Peterson, James M. Dietz, and Durward L. Allen
First Annual Report 1970-1971(Covering the thirteenth year in the Isle Royale Studies)
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Community Relationships and Population Dynamics of Terrestrial Mammals of Isle Royale, Lake Superior, 1969-1970
Wendel J. Johnson, Michael L. Wolfe Jr., and Durward L. Allen
Fourth Annual Report (Covering the twelfth year in the Isle Royale Studies) 1969-1970
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Community Relationships and Population Dynamics of Terrestrial Mammals of Isle Royale, Lake Superior, 1968-1969
Wendel J. Johnson, Michael L. Wolfe Jr., and Durward L. Allen
Third Annual Report (Covering the tenth year in the Isle Royale Studies) 1968-1969
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Community Relationships and Population Dynamics of Terrestrial Mammals of Isle Royale, Lake Superior, 1967-1968
Wendel J. Johnson, Michael L. Wolfe Jr., and Durward L. Allen
Second Annual Report (Covering the nineth year in the Isle Royale Studies) 1967-1968
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Community Relationships and Population Dynamics of Terrestrial Mammals of Isle Royale, Lake Superior, 1966-1967
Wendel J. Johnson, Michael L. Wolfe Jr., and Durward L. Allen
First Annual Report (Covering the eighth year in the Isle Royale Studies) 1966-1967
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Studies of the Moose and Wolves of Isle Royale, 1965-1966
Peter A. Jordan
Third Annual Report 1965-1966
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Studies of the Moose and Wolves of Isle Royale, 1964-1965
Peter A. Jordan
Second Annual Report 1964-1965
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Ecology and Coactions of the Moose on Isle Royale, 1963-1964
Peter A. Jordan
First Annual Report 1963-1964
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Ecological Studies of Beavers, Wolves, and Moose in Isle Royale National Park, Michigan, 1962-1963
Philip C. Shelton
Third Annual Report 1962-1963
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Ecological Studies of Beavers, Wolves, and Moose in Isle Royale National Park, 1961-1962
Philip C. Shelton
Second Annual Report 1961-1962
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Studies of the Timber Wolf in Isle Royale National Park, 1960-1961
L. David Mech
Third Annual Report 1960-1961
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Studies of the timber wolf in Isle Royale National Park, 1959-1960
L. David Mech
Second Annual Report, 1959-1960
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Studies of the timber wolf in Isle Royale National Park, 1958-1959
L. David Mech
First Annual Report, 1958-1959