John Ernest Weaver
Encyclopedia
John Ernest Weaver was an American
botanist, prairie
ecologist, and university professor.
Weaver was born in Villisca, Iowa
. He attained a PhD at the University of Minnesota
, 1916. He was "Instructor of Botany" at Washington State College
from 1912 to 1913. In 1915 he became "Assistant professor of Botany" at the University of Nebraska
where he was a plant ecology professor from 1917 until his retirement in 1952.
Weaver published many works regarding vegetation and ecology of prairies. In 1929 he and Henry Chandler Cowles
published the first American ecology text book. He was a member of the Botanical Society of America
, the Ecological Society of America
, and the Nebraska Academy of Sciences.
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
botanist, prairie
Prairie
Prairies are considered part of the temperate grasslands, savannas, and shrublands biome by ecologists, based on similar temperate climates, moderate rainfall, and grasses, herbs, and shrubs, rather than trees, as the dominant vegetation type...
ecologist, and university professor.
Weaver was born in Villisca, Iowa
Villisca, Iowa
Villisca is a city in Montgomery County, Iowa, United States. The population was 1,344 at the 2000 census.-Geography:Villisca is located at .According to the United States Census Bureau, the city has a total area of , all land....
. He attained a PhD at the University of Minnesota
University of Minnesota
The University of Minnesota, Twin Cities is a public research university located in Minneapolis and St. Paul, Minnesota, United States. It is the oldest and largest part of the University of Minnesota system and has the fourth-largest main campus student body in the United States, with 52,557...
, 1916. He was "Instructor of Botany" at Washington State College
Washington State University
Washington State University is a public research university based in Pullman, Washington, in the Palouse region of the Pacific Northwest. Founded in 1890, WSU is the state's original and largest land-grant university...
from 1912 to 1913. In 1915 he became "Assistant professor of Botany" at the University of Nebraska
University of Nebraska–Lincoln
The University of Nebraska–Lincoln is a public research university located in the city of Lincoln in the U.S. state of Nebraska...
where he was a plant ecology professor from 1917 until his retirement in 1952.
Weaver published many works regarding vegetation and ecology of prairies. In 1929 he and Henry Chandler Cowles
Henry Chandler Cowles
Henry Chandler Cowles was an American botanist and ecological pioneer . Born in Kensington, Connecticut, he attended Oberlin College in Ohio. He studied at the University of Chicago with the plant taxonomist John M. Coulter and the geologist Thomas Chrowder Chamberlin as main teachers. He...
published the first American ecology text book. He was a member of the Botanical Society of America
Botanical Society of America
The Botanical Society of America represents professional and amateur botanists, researchers, educators and students in over 80 countries of the world...
, the Ecological Society of America
Ecological Society of America
The Ecological Society of America is a professional organization of ecological scientists. Based in the United States, ESA publishes a suite of publications, from peer-reviewed journals to newsletters, fact sheets and teaching resources. It holds an annual meeting at different locations in the...
, and the Nebraska Academy of Sciences.
Books
- Study of Amygdalus persica. Unpublished thesis (1910)
- A Study of the vegetation of Southeastern Washington and Adjacent Idaho. Lincoln, Nebraska. (1917) http://www.worldcatlibraries.org/wcpa/top3mset/13abb3f5b9603440.html
- The ecological relations of roots. - Carnegie institution of Washington, Publ. 286. (1919) http://www.worldcatlibraries.org/wcpa/top3mset/545c027ac9c13aa7.html
- Root development in the grassland formation, a correlation of the root systems of native vegetation and crop plants. Washington, Carnegie Institution of Washington (1920) http://www.worldcatlibraries.org/wcpa/top3mset/60fc534bf8735462.html
- Development and activities of roots of crop plants; a study in crop ecology. Carnegie institution of Washington with franc C Jean and John W. Crist (1922)
- Experimental vegetation; the relation of climaxes to climates, by Frederic Edward Clements (1874-1945) and J.E. Weaver. Washington, Carnegie Institution of Washington, 1924.
- Root development of field crops, by J.E. Weaver. New York [etc.] McGraw-Hill book company, inc., 1926. http://www.soilandhealth.org/01aglibrary/010139fieldcroproots/010139toc.html
- Root Development of Vegetable Crops. with William E. Bruner. McGRAW-HILL BOOK COMPANY, Inc. (1927) http://www.soilandhealth.org/01aglibrary/010137veg.roots/010137toc.html
- Relative efficiency of roots and tops of plants in protecting the soil from erosion. by Joseph Kramer (1890-?) and J.E. Weaver. [Lincoln], Neb. : Printed by authority of the state of Nebraska, (1936)
- Plant Ecology. with F.E. Clements. New York, London, McGraw-Hill Book Company, inc. (1938)
- North American Prairie. Lincoln, Neb., Johnsen Pub. CO (1954)
- Grass country 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 fifty-year study in the Midwest. Lincoln, University of Nebraska Press (1968)
Writings about drought
- Effects of Drought, Dust, and Intensity of Grazing on Cover and Yield of Short-Grass Pastures, F.W. Frederick William Albertson and J.E. Weaver. Ecological Society of America (1944?)
- Effects of the Great Drought on the Prairies of Iowa, Nebraska, and Kansas, with Frederick William Albertson: Ecological Society of America (1936)