John Ernst Weaver

John Ernst Weaver's AcademicInfluence.com Rankings

John Ernst Weaver

Biology

#4826

Historical Rank

Botany

#579

Historical Rank

biology Degrees

Download Badge

Biology

Why Is John Ernst Weaver Influential?

(Suggest an Edit or Addition)

According to Wikipedia, John Ernst Weaver was an American botanist, prairie ecologist, and university professor. Biography Weaver was born in Villisca, Iowa. He obtained a PhD in Biology and Botany 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.

(See a Problem?)

John Ernst Weaver's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Root development of field crops (279)
North American Prairie (1955) (261)
Effects of Excessive Natural Mulch on Development, Yield, and Structure of Native Grassland (1952) (169)
Plant competition : an analysis of community functions (164)
Root Development of Vegetable Crops (163)
PRAIRIE PLANTS AND THEIR ENVIRONMENT (1968) (144)
Prairie Plants and Their Environment: A Fifty-year Study in the Midwest (1968) (135)
Nature and Degree of Recovery of Grassland from the Great Drought of 1933 to 1940 (1944) (128)
Summary and Interpretation of Underground Development in Natural Grassland Communities (1958) (115)
Resurvey of Grasses, Forbs, and Underground Plant Parts at the End of the Great Drought (1943) (112)
Effects on the Great Drought on the Prairies of Iowa, Nebraska, and Kansas (1936) (111)
The Ecological Relations Of Roots (111)
Classification of Root Systems of Forbs of Grassland and a Consideration of Their Significance (1958) (110)
Injury and Death or Recovery of Trees in Prairie Climate (1945) (108)
Native vegetation of Nebraska (1965) (96)
Soil‐Root Relationships of Certain Native Grasses in Various Soil Types (1949) (87)
Effect of Frequent Clipping on the Development of Roots and Tops of Grasses in Prairie Sod (1933) (85)
Ecology and Relative Importance of the Dominants of Tall-Grass Prairie (1932) (76)
Grasslands of the Great Plains: Their Nature and Use (1957) (75)
Flood Plain Vegetation of the Central Missouri Valley and Contacts of Woodland with Prairie (1960) (71)
Response of the Prairie to the Great Drought of 1934 (1935) (61)
History of the Native Vegetation of Western Kansas during Seven Years of Continuous Drought (1942) (60)
Relation of Root Distribution to Organic Matter in Prairie Soil (1935) (58)
LENGTH OF LIFE OF ROOTS OF TEN SPECIES OF PERENNIAL RANGE AND PASTURE GRASSES. (1946) (56)
Effects of Different Intensities of Grazing on Depth and Quantity of Roots of Grasses. (1950) (48)
Root System of Quercus macrocarpa in Relation to the Invasion of Prairie (1932) (47)
Major Changes in Grassland as a Result of Continued Drought (1939) (45)
Investigations on The Root Habits of Plants (1925) (45)
Native Midwestern Pastures: Their Origin, Composition, and Degeneration (1941) (43)
Annual Increase of Underground Materials in Three Range Grasses (1946) (40)
A Method Of Measuring Vigor Of Range Grasses (1947) (39)
Underground Plant Development in Its Relation to Grazing (1930) (38)
RELATION OF INCREASED WATER CONTENT AND DECREASED AERATION TO ROOT DEVELOPMENT IN HYDROPHYTES. (38)
Ecological Studies in a Midwestern Range: The Vegetation and Effects of Cattle on Its Composition and Distribution (1951) (37)
Deterioration of Midwestern Ranges (1940) (37)
Relative Drought Resistance of Seedlings of Dominant Prairie Grasses (1942) (35)
Role of Seedlings in Recovery of Midwestern Ranges from Drought (1942) (35)
Relation of Hardpan to Root Penetration in the Great Plains (1922) (34)
Development of Root and Shoot of Winter Wheat Under Field Environment (32)
Prairies and Pastures of the Dissected Loess Plains of Central Nebraska (1948) (31)
Effect of Frequent Clipping on Plant Production in Prairie and Pastur (1939) (31)
Nature and Place of Transition From True Prairie to Mixed Prairie (1954) (30)
RELATION BETWEEN THE DEVELOPMENT OF ROOT SYSTEM AND SHOOT UNDER LONG- AND SHORT-DAY ILLUMINATION. (1929) (30)
EXTENT AND LONGEVITY OF THE SEMINAL ROOTS OF CERTAIN GRASSES. (1945) (30)
A SEVENTEEN-YEAR STUDY OF PLANT SUCCESSION IN PRAIRIE' (1954) (29)
Effects of Drought, Dust, and Intensity of Grazing on Cover and Yield of Short-Grass Pastures (1944) (28)
Deterioration of Grassland from Stability to Denudation with Decrease in Soil Moisture (1940) (27)
Range Condition Classes of Native Midwestern Pasture: An Ecological Analysis (1951) (26)
Rate of Decomposition of Roots and Rhizomes of Certain Range Grasses in Undisturbed Prairie Soil (1947) (26)
Influence of Certain Soil-Proftle Characteristics upon the Distribution of Roots of Grasses (1953) (26)
Replacement of True Prairie by Mixed Prairie in Eastern Nebraska and Kansas (1943) (26)
The Quadrat Method in Teaching Ecology (1919) (25)
Reduction of Ungrazed Mixed Prairie to Short Grass as a Result of Drought and Dust (1946) (24)
Changes in Vegetation and Production of Forage Resulting from Grazing Lowland Prairie (1948) (23)
Effects of Frequent Clipping on the Underground Food Reserves of Certain Prairie Grasses (1939) (23)
Who's Who Among the Prairie Grasses (1931) (22)
A STUDY OF THE ROOT-SYSTEMS OF PRAIRIE PLANTS OF SOUTHEASTERN WASHINGTON (22)
Amounts of underground plant materials in different grassland climates (1939) (21)
Plant Production as a Measure of Environment: A Study in Crop Ecology (1924) (21)
COMPETITION OF WESTERN WHEAT GRASS WITH RELICT VEGETATION OF PRAIRIE (1942) (20)
Relative Transpiration of Coniferous and Broad-Leaved Trees in Autumn and Winter (1919) (20)
QUANTITY OF LIVING PLANT MATERIALS IN PRAIRIE SOILS IN RELATION TO RUN- OFF AND SOIL EROSION (1935) (19)
Measurement of Run‐Off and Soil Erosion by a Single Investigator (1935) (19)
RELATIVE EFFICIENCY OF ROOTS AND TOPS OF PLANTS IN PROTECTING THE SOIL FROM EROSION. (1935) (19)
Stability of Climax Prairie and Some Environmental Changes Resulting from Breaking (1934) (17)
Root Systems of Crop Plants@@@Development and Activities of Roots of Crop Plants. (1922) (17)
Monolith Method of Root-Sampling in Studies on Succession and Degeneration (1950) (17)
Absorption of Nutrients from Subsoil in Relation to Crop Yield (1924) (16)
Quantitative Study of Root Systems in Different Soil Types. (1949) (16)
INCREASE OF SPOROBOLUS CRYPTANDRUS IN PASTURES OF EASTERN NEBRASKA (1939) (16)
A Seven-Year Quantitative Study of Succession in Grassland (1945) (14)
Stabilization of Midwestern Grassland (1950) (14)
Ecological studies in the tension zone between prairie and woodland (14)
Direct Measurement of Water Loss from Vegetation Without Disturbing The Normal Structure of the Soil (1924) (14)
Native Grassland of Southwestern Iowa (1958) (13)
ROOT BEHAVIOR AND CROP YIELD UNDER IRRIGATION (12)
Grassland patterns in 1940 (1944) (12)
Regeneration of Native Midwestern Pastures under Protection (1941) (11)
Further Studies in the Ecotone between Prairie and Woodland (11)
The Wonderful Prairie Sod. (1963) (10)
Transect Method of Studying Woodland Vegetation Along Streams (1925) (9)
Quantitative Study of Degeneration of Mixed Prairie (1953) (9)
COMPARISON OF RUNOFF AND EROSION IN PRAIRIE, PASTURE, AND CULTIVATED LAND (1936) (9)
Some Ecological Aspects of Agriculture in the Prairie (9)
Yields and Consumption of Forage in Three Pasture-Types: An Ecological Analysis (1945) (8)
Extent of Communities and Abundance of the Most Common Grasses in Prairie (1960) (7)
The Environment of the Prairie (1931) (6)
RECOVERY OF MIDWESTERN PRAIRIES FROM DROUGHT (1944) (6)
NATURAL REFORESTATION IN THE MOUNTAINS OF NORTHERN IDAHO (5)
Root Distribution of Trees in Relation to Soil Profile (1937) (5)
The Living Network in Prairie Soils (1961) (4)
Experimental Studies of Cultivation of Certain Vegetable Crops (1928) (4)
Comparison of Vegetation of Kansas-Nebraska Drift-Loess Hills and Loess Plains (1960) (4)
Role of Fire in Pasture Management (1935) (3)
Return of midwestern grassland to its former composition and stabilization. (1961) (2)
Structure of Texas Vegetation (1927) (2)
Occurrence of a Disease of Side-oats Grama (1940) (2)
Alfalfa Production in a Grassland Climate (1930) (2)
Western Yellow Pine Mistletoe (1924) (1)
Relative Efficiency of Roots of Plants in Protecting the Soil from Erosion. (1936) (0)
Coniferous Forests of North America (1971) (0)
Size and Structure of Leaves of Cereals in Relation to Climate (0)
The Plant as an Ecological Instrument@@@Experimental Vegetation.@@@The Phytometer Method in Ecology. (1926) (0)
Plants ecology / J.E. Weaver, P.E. Clements (1938) (0)
Indicator Significance of Brush Lands for the Growth of Western Yellow Pine (1932) (0)
Plant Communities: Native Vegetation of Nebraska (1965) (0)
Reports From "Drought Front" Tell State or Vegetation (1936) (0)
The Origin of Mixed Prairie (1971) (0)
Study of amygdalus persica L. (0)
The American Prairie@@@The Prairie. (1934) (0)

This paper list is powered by the following services:

Other Resources About John Ernst Weaver

en.wikipedia.org

What Schools Are Affiliated With John Ernst Weaver?

John Ernst Weaver is affiliated with the following schools: