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 studied at the University of Nebraska and the University of Minnesota , where he received his PhD in 1916. 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 Professor of Plant Ecology from 1917 until his retirement in 1952 .

Review published numerous works primarily to 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 .

Fonts

• 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 Unpublished thesis (1910)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 Systems 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 FE 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 FW 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)