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Filtering by: Subject Forage plants -- Harvesting Advisor Poulton, Charles E.

Numerical classification of range vegetation and statistical analysis of its ecology

Creator:

Pyott, William Tucker, 1936-

Abstract:

The purpose of the research was to computerize mathematical procedures for the analysis of range vegetation and environmental data. The specific objectives were as follows: 1. to develop and apply computer techniques to the classification of vegetation in order to provide a phytosociological framework within which to investigate the ecology...

Resource Type:

Dissertation

Full Text:

Vegetation Classification 7 The Dual Role of Plant Species 11 Determination of Vegetation Units 12
Vegetation changes of communities containing medusahead (Taeniatherum asperum (Sim.) Nevski) following herbicide, grazing, and mowing treatments

Creator:

Turner, Robert Bruce

Abstract:

Studies were conducted from 1962 to 1966 to investigate the effectiveness of several practices in manipulating medusahead (Taeniatherum asperum (Sim. ) Nevski) infested and/or dominated ecosystems by releasing competition in favor of perennial grasses. Several herbicide treatments were evaluated for selective control of medusahead and cheatgrass (Bromus tectorum L. )...

Resource Type:

Dissertation

Full Text:

, much of this area now-supports cheatgrass (Bromus tectorum) as the main forage plant. Many of these
Forage utilization estimates in relation to ecological units in the Wallowa mountains of northeastern Oregon

Creator:

Johnson, Walter Van-Gale

Resource Type:

Masters Thesis

Full Text:

condition classes. He proposed that a key forage plant would be used as a basis for estimating use, but
A comparative study of selected methods for sampling vegetation

Creator:

Conrad, C. Eugene

Resource Type:

Masters Thesis

Full Text:

plant cover, ccznpoßitlon, d.eneity and degree of forage use. It is described as a procedure for