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Filtering by: Creator Taylor, Jay L. B. (Jay Laird Burgess), 1884- Committee Member Kleber, Markus

Scaling, ash-driven bistability, and other agents of soilscape genesis discovered while digitally mapping soils of the Blue Mountains, Oregon

Creator:

Almquist, Vance Warner

Abstract:

This dissertation reports on four related, though separate projects. The first project details the process of carrying out a digitally augmented soil mapping (DSM) effort alongside an ongoing survey in Oregon's Ochoco National Forest (ONF) using a Random Forest algorithm. The second chapter describes a initial soil survey in Oregon's...

Resource Type:

Dissertation

Full Text:

soils of the Blue Mountains, Oregon Abstract approved: Jay Stratton Noller The spatial and temporal
Diversity and Activity of Microbial Extracellular Peptidases in Soil

Creator:

Nguyen, Trang T. H.

Abstract:

Soil nitrogen exists largely as organic matter, including plant liter, dead animal matter, and microbial necromass. About 90% of soil organic nitrogen is proteinaceous material that is too large for plants and microorganisms to assimilate directly. Protein depolymerization therefore plays a critical role in mobilizing this organic source of nitrogen,...

Resource Type:

Dissertation

Full Text:

. Peter Bottomley, Dr. Anne Taylor, Dr. Brett Mellbye, Dr. Armanda Roco for providing me valuable