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Creator:: Silvernail, Ian S.
Abstract:: The role of unusual geologies in plant distribution and form is well-known. Serpentine (ultramafic) soils exert a particularly strong influence on plants, as evidenced by a high level of endemism and the morphological and physiological traits displayed in adaptation to the extraordinary chemistry of these substrates. Adaptation may lead to...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________________________ Robert J. Meinke The role of unusual geologies in plant distribution and form is

Creator:: Martin, Elizabeth F.
Abstract:: With little previous research on Astragalus peckii (Fabaceae), a state-listed Threatened species in Oregon, I investigated three facets of its biology which are integral to the conservation and management of the species. First, a four-year demographic study of two large populations revealed increasing population growth at one site (Chiloquin) and...
Resource Type:: Dissertation
Full Text:: : ______________________________________ Robert J. Meinke With little previous research on Astragalus peckii (Fabaceae), a state

Creator:: Brickner, Alexis H.
Abstract:: Rare plant reintroductions that result in additional or more viable wild populations are important conservation tools for maintaining biodiverse ecosystems. Ideally, such projects are best designed as experiments, to improve biological and ecological knowledge of the selected species and monitoring long-term results. Northern wormwood (Artemisia campestris var. wormskioldii: Asteraceae), a...
Resource Type:: Masters Thesis
Full Text:: Dynamic Cobble Bar Environments on the Columbia River Abstract approved: Robert J. Meinke

Creator:: Meyers, Stephen C.
Abstract:: Limnanthes floccosa ssp. floccosa and L. floccosa ssp. grandiflora are two of five subspecies of Limnanthes floccosa endemic to vernal pools in southern Oregon and northern California. Three seasons of monitoring natural populations have quantified that L. floccosa ssp. grandiflora is always found growing sympatrically with L. floccosa ssp. floccosa...
Resource Type:: Dissertation
Full Text:: Robert Meinke Limnanthes floccosa ssp. floccosa and L. floccosa ssp. grandiflora are

Creator:: Kentnesse, Laura E.
Abstract:: Rare plant reintroductions are a critical conservation tool for the augmentation of diminishing populations, or re-establishment of extirpated populations. Analysis of reintroduction failures suggests that a sophisticated understanding of species biology, ecology, and habitat is essential for producing self-sustaining rare plant populations. This study sought to generate that background knowledge...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ____________________________________________ Robert J. Meinke Rare plant

Creator:: Roberts, Kimberly A.
Abstract:: An experimental reintroduction was performed to determine the best method to create new populations of the tuberous species Perideridia erythrorhiza, a rare vascular plant endemic to southern Oregon. Only a handful of sites are currently present, and many of these are subject to other land uses such as urban development...
Resource Type:: Masters Thesis
Full Text:: , for their support and advice: Robert Meinke, David Pyke, and Aaron Liston. 11 TABLE OF

Creator:: Groberg, Matthew G.
Abstract:: Pleuropogon oregonus Chase is a rare wetland grass endemic to eastern Oregon. The species is composed of two widely separated populations, one in Lake County and one in Union County. In order to reduce the risk of extinction, the Oregon Department of Agriculture Native Plant Conservation Program initiated several reintroduction...
Resource Type:: Masters Thesis
Full Text:: . Robert Meinke for their help monitoring the population at End Creek. For funding, I thank the

Creator:: Whittall, Justen Bryant
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: Aaron I. Liston Robert J. Meinke A molecular systematic investigation into the Mimulus

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