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Juglans Cinerea: The American White Walnut, Dennis Robert Hattermann
Juglans Cinerea: The American White Walnut, Dennis Robert Hattermann
Masters Theses
The American white walnut Juglans cinerea L. is a native North American tree in the Juglandaceae, or walnut family. It prefers rich, moist, rather neutral to slightly basic lowland soils. This is an in depth study of its taxonomy, morphology, anatomy, age, size, growth habit, distribution, ecology, propagation, economic importance, medicinal uses, toxicity, folklore, diseases and pests, and chemical constituents.
J. cinerea L. is monoecious and confined in its distribution to the eastern and central parts of North America. It can be easily identified by its large, pinnately compound leaves and ashy-gray bark with broad, flat plates and deep furrows. …
Woody Vegetation Of Baber Woods: Composition And Changes Since 1964, James Alvin Newman Jr.
Woody Vegetation Of Baber Woods: Composition And Changes Since 1964, James Alvin Newman Jr.
Masters Theses
A comparative study of the woody vegetation changes at Baber Woods, Edgar County, Illinois, since 1964 was completed in 1983. This 51 acre woodlot is a remnant of a much larger forest which once occuppied the Shelbyville Moraine.
An inventory of the woody vegetation shows that the present stand consists of 109 stems per acre with a basal area of 113 sq. ft. per acre. In this survey, 33 woody species were found. Sugar maple had the highest Importance Value (IV) of all woody species present, having the highest density in both the 4-6 and 7-12 inch diameter classes, as …
Vegetation Changes In Four Study Areas At Indiana Dunes National Lakeshore, Kathryn Ann Kerr
Vegetation Changes In Four Study Areas At Indiana Dunes National Lakeshore, Kathryn Ann Kerr
Masters Theses
The sampling transects at Indiana Dunes were established to show the pre-burn condition of the vetetation and to monitor the long term effects of burning. However, one year of monitoring showed changes in vetetation that further substantiate the need for the burning program.
Miller Woods (Transect A) has burned frequently in recent years. The one year without fire showed little change in the herbaceous layer. The few notable herbaceous changes might indicate a transition to a more mesic community, but should be viewed skeptically because of the wet season in 1982.
Nearly half of the small shrub species at Miller …