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The genus Anthracobia Boudier (Pezizales, Ascomycetes)

Creator:: Larsen, Harold J.
Abstract:: A taxonomic revision of the genus Anthracobia Boudier is presented. The genus and eight included taxa are described and figured. A discussion of the taxonomic criteria used to delimit the genus and the species is included, and a key to the recognized taxa is given. Four imperfect states for included...
Resource Type:: Dissertation
Full Text:: ANTHRACOBIA BOUDIER (PEZIZALES, ASCOMYCETES) Redacted for privacyAbstract approved: William C. Denison A

The structure and dynamics of old-growth Sitka spruce (Picea sitchensis) forest of the Oregon Coast Range

Creator:: Quaye, Eric Charles
Abstract:: The objectives of this study are to: 1) study the variations among stands of old-growth Sitka spruce forest located within a relatively restricted geographical area, 2) determine the relationship between species distribution, vegetational pattern, and such site factors as slope and aspect, and 3) ascertain the abruptness of phytosociological change...
Resource Type:: Dissertation
Full Text:: COAST RANGE Abstract approved: Redacted for privacy William W. Chilcote The objectives of this study

Succession and certain adaptive features of plants native to the sand dunes of the Oregon coast

Creator:: Kumler, Marion Lawrence, 1941-
Abstract:: The vegetation of the Oregon coast is characterized by a variety of stages of plant succession which are repeated widely throughout the sand dune area. During the years from 1960 to 1963 the gradation of upland sand dune succession was studied on 48 plots within a 150 mile section of...
Resource Type:: Dissertation
Full Text:: this thesis is very diffi- cult. Dr. William W. Chilcote was the one who first stimulated an

Invasion by trees into a grassy bald on Marys Peak, Oregon Coast Range

Creator:: Magee, Teresa K.
Abstract:: Grassy balds are meadows that occur on or near the summits of montane peaks and ridges. The sites on which balds are located generally fall within the climatic tolerance ranges of associated tree species. This study evaluates the stability of a forest-meadow transition zone of such a bald on Marys...
Resource Type:: Masters Thesis
Full Text:: Coast Range Redacted for privacy Abstract approved: William W. Chilcote Grassy balds are meadows that

The location, composition, and structure of old-growth forests of the Oregon coast range

Creator:: Juday, Glenn Patrick
Resource Type:: Dissertation
Full Text:: Abstract approved: Redacted for Privacy William W. Chirc-Ar The objectives of this study were to: (1

Soil fungal hyphal dynamics and seasonal hypogeous sporocarp production in western Oregon Douglas-fir forests

Creator:: Hunt, Gary, 1945-
Abstract:: Total length and biomass of fungal mycelium in the soil of a young Douglas-fir stand in the central Oregon Coast Range were estimated over 27 months with the agar-film technique. In a second study, phenology and taxonomy of hypogeous (belowground) sporocarps were studied over 32 months in a nearby, young...
Resource Type:: Dissertation
Full Text:: committee for their guidance and advice: Drs. William Denison, William Chilcote, David Perry, Kermit

Taxomony and mycorrhizal ecology of the desert truffles in the genus Terfezia

Creator:: Alsheikh, Abdulmagid M.
Abstract:: Mycorrhizal fungi in arid and semiarid rangelands have received little study in southwest Asia and north Africa, although they are important in food production and rangeland productivity. The desert truffles of the genera Terfezia and Tirmania form fruiting-bodies and mycorrhizae with rangeland plants. This thesis treats the taxonomy and the...
Resource Type:: Dissertation
Full Text:: . William Denison, William Chilcote and Robert Linderman for their guidance and support, and for serving

Resistance mechanisms of Port-Orford-cedar to Phytophthora lateralis

Creator:: Oh, Eunsung
Abstract:: Breeding Port-Orford-cedar for resistance to Phytophthora lateralis, a causal agent of root disease, begins by screening, through artificial inoculation, phenotypically resistant trees selected from natural stands. The successful program selected tolerant or resistant POC parent trees for the purpose of disease management. Candidate resistant POCs were used in my dissertation...
Resource Type:: Dissertation
Full Text:: , Drs. Everett Hansen, Jeffrey Stone, Gregory Filip, Joseph Spatafora, and William Proebsting. Their

Global net community production and the putative net heterotrophy of the oligotrophic oceans

Creator:: Westberry, Toby K., Williams, Peter J. le B., and Behrenfeld, Michael J.
Abstract:: Reconciling rates of organic carbon export from the euphotic zone with the consumption of organic material in the dark ocean remains one of the major quantitative uncertainties of the ocean carbon cycle. Euphotic zone net community production (NCP) provides one broad constraint on export flux and potential carbon drawdown. However,...
Resource Type:: Article

Phylogeny, cospeciation, and host switching in the evolution of the ascomycete genus Rhabdocline on Pseudotsuga and Larix (Pinaceae)

Creator:: Gernandt, David S.
Abstract:: The relative role of cospeciation and host switching in the phylogenetic history of ascomycete foliar symbionts is addressed in the orders Leotiales and Rhytismatales, fungi associated predominantly with Pinaceae (Coniferales). Emphasis is placed on comparing the evolution of the sister genera Pseudotsuga and Larix (Pinaceae) with that of the pathogenic...
Resource Type:: Dissertation
Full Text:: (Parker and Reid 1969) and a single endophytic species on the same host (Sherwood-Pike et al. 1986

ScholarsArchive@OSU

The genus Anthracobia Boudier (Pezizales, Ascomycetes)

The structure and dynamics of old-growth Sitka spruce (Picea sitchensis) forest of the Oregon Coast Range

Succession and certain adaptive features of plants native to the sand dunes of the Oregon coast

Invasion by trees into a grassy bald on Marys Peak, Oregon Coast Range

The location, composition, and structure of old-growth forests of the Oregon coast range

Soil fungal hyphal dynamics and seasonal hypogeous sporocarp production in western Oregon Douglas-fir forests

Taxomony and mycorrhizal ecology of the desert truffles in the genus Terfezia

Resistance mechanisms of Port-Orford-cedar to Phytophthora lateralis

Global net community production and the putative net heterotrophy of the oligotrophic oceans

Phylogeny, cospeciation, and host switching in the evolution of the ascomycete genus Rhabdocline on Pseudotsuga and Larix (Pinaceae)

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