Master's Theses



Degree Name

Master of Science (MS)


One-hundred and fifty modified step-points were taken on each of 100 sample locations on a 244 ha (610 acre) prairie in Webster Co., Nebraska. From this technique, percent basal cover and percent species composition were obtained at each sample location. The data collected were subjected to quantitative analysis with the aid of three different vegetation ordination techniques: 1) similarity coefficient, 2) Euclidean distance, and 3) principal component analysis. Only sample stands were ordered by these methods. The computer mapping routine, SYMAP, was utilized to map the area. Ten vegetation types were discerned by the ordination techniques. Upland stands were dominated by Kentucky bluegrass, buffalograss, blue grama, and Japanese brome, Sideoats grama, little bluestem, and Kentucky bluegrass dominated hillside stands. Lowland stands were dominated by Kentucky bluegrass, sideoats grama, Japanese brome, and big bluestem. SYMAP was valuable in facilitating rapid location of areas with greatest, and least, values of the sampling index being considered.


Robert Nicholson

Date of Award

Spring 1976

Document Type

Thesis - campus only access


© 1976 Michael Glen Marcotte


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