John Ernest Weaver

John Ernest Weaver ( born May 5, 1884 in Villisca, Iowa, † June 8, 1966 in Lincoln, Nebraska) was an American botanist and university professor.

Weaver graduated from the University of Nebraska and the University of Minnesota, where he received his doctorate in 1916 for PhD. From 1912 to 1913 he worked as an " instructor of botany " at Washington State College. In 1915 he became " Assistant professor of Botany " at the University of Nebraska where he was a professor of Plant Ecology from 1917 until his retirement in 1952.

Weaver has published numerous works mainly on vegetation and ecology of the prairies and published in 1929 along with Henry Chandler Cowles, the first American ecology textbook. He was a member of several scientific associations, including the Botanical Society of America, the Ecological Society of America, and the Nebraska Academy of Sciences.


  • Study of Amygdalus persica. Unpublished thesis ( 1910)
  • A Study of the Vegetation of Southeastern Washington and Adjacent Idaho. Lincoln, Nebraska. (1917 )
  • The ecological relation of roots -. Carnegie Institution of Washington, Publ 286 (1919)
  • Root Development in the Grassland Formation, a Correlation of root system of Native Vegetation and Crop Plants. Washington, Carnegie Institution of Washington ( 1920)
  • Development and Activities of Roots of Crop Plants; A Study in Crop Ecology. Carnegie Institution of Washington. with Frank C. Jean and John W. Crist (1922 )
  • Plant Ecology, 2nd Ed -. New York. with F.E. Clements (1938 )
  • North American Prairie. Lincoln, Neb., Johnsen Pub. Co. (1954)
  • Grasslands of the Great Plains: Their Nature and Use. Lincoln, Neb., Johnsen Pub. Co. with F.W. Albertson (1956 )
  • Native Vegetation of Nebraska. Lincoln, University of Nebraska Press (1965 )
  • Prairie Plants and Their Environment; a Fifiy -year study in the Midwest. Lincoln, University of Nebraska Press (1968 )
  • Botanist ( 20th century)
  • Plant ecologists
  • Ecologist
  • Americans
  • Born in 1884
  • Died in 1966
  • Man