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Henry Allan Gleason (1882–1975) was an American ecologist, botanist, and taxonomist. He was known for his endorsement of the individualistic or open community concept of ecological succession, and his opposition to Frederic Clements 's concept of the climax state of an ecosystem.
16 ago 2022 · Between 1917 and 1945, only one American botanist dissented from the general consensus surrounding the community-unit theory—Henry Allan Gleason (b. 1882–d. 1975).
This paper provides a detailed account of Henry Allan Gleason’s career in ecology, paying particular attention to the development of his controversial individualistic hypothesis of the plant community. It is noted that Gleason developed and maintained a high level of skill in floristic botany.
- Malcolm Nicolson
- 1990
His B.S. thesis at the University of Tllinois (1901) was "The Flora of the Prairies." His earliest published ecological work (Hart and Gleason 1907, Gleason 1909a, b, 1910) was concerned primarily with prairie and prairie-forest border problems.
Henry Allan 'Al' Gleason Jr. (April 18, 1917 – January 13, 2007) was a linguist and Professor Emeritus at the University of Toronto.
29 mag 2018 · Gleason, Henry Allan (1882–1973) An American ecologist, who worked at the New York Botanical Garden and in 1917 challenged the organismic climax theory proposed by F. E. Clements (and later by A. G. Tansley in Britain), in favour of his own individualistic hypothesis.
Henry A. Gleason (1882 – 1975) American ecologist. Henry A. Gleason was a half generation after that small group of midwesterners who founded ecology as a discipline in the United States. He was a student of Stephen Forbes and his early work in ecology was influenced strongly by Cowles and Frederic E. Clements .
