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Leslie Holdridge

Leslie Holdridge
Born Leslie Rensselaer Holdridge
September 29, 1907
Ledyard, Connecticut
Died June 19, 1999(1999-06-19) (aged 91)
Easton, Maryland
Citizenship USA
Nationality USA
Institutions Instituto Tecnologico de Costa Rica
Alma mater H. B.S. in Forestry, University of Maine, 1931, postgrad., 1931-32
M.S. in Ecology, University of Michigan, 1946, Ph.D., 1947.

Leslie Ransselaer Holdridge (September 29, 1907 – June 19, 1999) was an American botanist and climatologist. He was the son of Samuel Eneas Holdridge and Phebe J. Holmes. He was the father of composer Lee Holdridge.

In his famous 1947 paper, he defined "life zones" using three indicators:



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