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Filtering by: Creator Jeroue, Lacey M. Advisor Pyke, David A.

Demography of medusahead on two soil types : potential for invasion into intact native communities

Creator:

Miller, Heather C.

Resource Type:

Masters Thesis

Full Text:

thank Jack Joyce (and Pete and Lacey too!) for checking on my plots, taking me horseback riding
Control of Lepidium latifolium and restoration of native grasses

Creator:

Laws, Margaret S.

Abstract:

Lepidium latifolium L. (perennial pepperweed, LEPLA) is an exotic invader throughout western North America. At Malheur National Wildlife Refuge (MNWR) in southeast Oregon, it has invaded about 10% of meadow habitats that are important for wildlife. This study's objective was to determine the most effective and least environmentally harmful treatment...

Resource Type:

Masters Thesis

Full Text:

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 AS. Disking was used to cut, unearth and dry rhizomes in 1995 using a 4.3 m wide disk
Population viability analysis of endangered plant species : an evaluation of stochastic methods and an application to a rare prairie plant

Creator:

Kaye, Thomas N.

Abstract:

Transition matrix models are one of the most widely used tools for assessing population viability. The technique allows inclusion of environmental variability, thereby permitting estimation of probabilistic events, such as extinction. However, few studies use the technique to compare the effects of management treatments on population viability, and fewer still...

Resource Type:

Dissertation

Full Text:

permanent circular plots (2-m radius). All L. bradshawii individuals were mapped in each circular plot in