Henry A. Gleason (botanist)

Henry Allan Gleason ( born January 2, 1882 in Dalton City, Illinois, † April 12, 1975 in New York City ) was an American botanist and ecologist. One of his specialties was the scheme of the Black Mouth family ( Melastomataceae ). Its official botanical author abbreviation is " Gleason ".

Life

At age 13, he began making botanical studies, he published afterwards in the journal The American Naturalist. He studied at the University of Illinois, where he graduated as a Bachelor of Science and Master of Arts. After a year as a lecturer at the University of Ohio and a summer as a zoologist, in which he employed in the study of Isle Royale with invertebrates, a scholarship from the University of Michigan in taxonomic studies Nathaniel Lord Britton at Columbia University supported him. There he received his doctorate in 1906.

After several years as a lecturer at the Universities of Illinois and Michigan, he undertook field research of tropical vegetation in the Philippines, Java and Ceylon. In 1918 he reported Torrey Botanical Club before Nathaniel Lord Britton about it and immediately offered him a job at the New York Botanical Garden, the Gleason held for 30 years.

He filled the position of a curator, Senior Curator and Deputy Director. He was editor of the Garden Journal, the journal Addisonia and the Bulletin of the New York Botanical Garden. He is the publication, revision and extension of the volumes of the North American Flora and Plants of the Vicinity of New York owe. In 1950 he joined officially retired and still wrote two unpublished books: The Autobiography The Short and Simple Annals of Henry A. Gleason and Thumbnail Sketches of Botanists, which are kept in the archives of the New York Botanical Garden.

His eldest son, Henry Allan Gleason Jr (1917-2007), linguist was at the University of Toronto. His younger son, Andrew Gleason (1921-2008), was a mathematician at Harvard University.

Works (selection)

Gleason wrote over 235 articles and books. As one of the first ecologists was his desire to explore by combining morphological and geographical data, the phylogeny and spreading history of groups of plants. At the most influential were his work on the individualistic concept of plant communities and the continuum hypothesis.

  • The flora of the prairies. B. S. Thesis. University of Illinois. In 1901.
  • A botanical survey of the Illinois River Valley sand region. Ill. State Lab. Nat. Hist. , Bull 7:149-194. In 1907.
  • On the biology of the sand areas of Illinois. II A botanical survey of the Illinois River Valley sand region. Ill. Lab. Nat. Hist. , Bull 7:149-194. In 1907.
  • A virgin prairie in Illinois. Ill. Acad. Sci., Trans 1:62. , 1908.
  • Some Unsolved Problems of the Prairies. Bulletin of the Torrey Botanical Club 36 (5): 265-271. , 1909.
  • The vegetation of the inland sand deposits of Illinois. Ill. Lab. Nat. Hist. , Bull 9:23-174. , 1910.
  • An Isolated Prairie Grove and Its Significance Phytogeographical. Botanical Gazette 53 (1): 38-49. In 1912.
  • HA Gleason & Frank C. Gates: A Comparison of the Rates of evaporation in Certain Associations in Central Illinois. Botanical Gazette 53 (6): 478-491. In 1912.
  • The Structure and Development of the Plant Association. Bulletin of the Torrey Botanical Club 43: 463-481. , 1917.
  • On the relation in between Species and Area. Ecology 3 (2): 158-162. In 1922.
  • The vegetational history of the Middle West. Annals of the Association of American Geographers 12: 39-85. In 1922.
  • Species and Area. Ecology 6 (1): 66-74. In 1925.
  • The Individualistic Concept of the Plant Association. Bulletin of the Torrey Botanical Club 53: 7-26. , 1926.
  • Is Sunusia of Association? Ecology 17 (3): 444-451. In 1936.
  • The Individualistic Concept of the Plant Association. American Midland Naturalist 21 (1): 92-110. , 1939.
  • The new Britton and Brown illustrated flora of the northeastern United States and Adjacent Canada. 3rd edition, New York, 1963.
  • The natural geography of plants. New York, 1964
  • Delving into the History of American Ecology. Bulletin of the Ecological Society of America 56 (4): 7-10. In 1975.
  • Arthur Cronquist & HA Gleason: Manual of vascular plants of northeastern United States and Adjacent Canada. 2nd edition 1991
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