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Filtern nach: Alternative title ssim PNW 189 Academic Affiliation Botany and Plant Pathology Committee Member Lachenbruch, Barbara

Interactions between nitrogen, phosphorus, and molybdenum in forest soils and cyanobacterial lichen in the Oregon Coast Range

Schöpfer:

Marks, Jade A.

Abstract:

Molybdenum is an essential component of biogeochemical cycling, most notably as a component of the nitrogenase enzyme used in biological nitrogen (N) fixation. While the important role of phosphorus (P) in limiting N fixation in ecosystems has been well documented, occurrence and prevalence of molybdenum (Mo) limitation is largely unknown....

Resource Type:

Masters Thesis

Full Text:

floor, 5 soil extractable pools, bulk soil, bedrock and τMoNb..………………189 B2: Significance tests for
Genetic Structure in Populations of the Douglas-fir Swiss Needle Cast Fungus Nothophaeocryptopus gaeumannii

Schöpfer:

Bennett, Patrick I.

Abstract:

The fungus Nothophaeocryptopus gaeumannii is the causative agent of Swiss needle cast (SNC), a foliar disease of Douglas-fir. Disease is characterized by premature loss of foliage and reduced growth resulting from the inhibition of photosynthesis due to the occlusion of stomata by the ascocarps of N. gaeumannii. Although the disease...

Resource Type:

Dissertation