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Creator:: Binkley, Dan
Abstract:: Seven case studies of 11 ecosystems were used to examine the effects of nitrogen-fixing alders in Douglas-fir plantations. The first case study quantified nitrogen (N) fixation and aboveground net primary production in a young Sitka alder [Alnus sinuata (Regel) Rydb.] ecosystem. At 5 yr of age, the N fixation (C₂2H₂...
Resource Type:: Dissertation
Full Text:: 1961). 2 Another common, though little-studied, alder species in the Pacific Northwest is Sitka

Creator:: Haven, Lisa
Abstract:: Subregional log market differences are defined and analyzed. Seven demand and seven supply centers are initially specified. Log demand factors inspected are mill capacity, processed wood species, cost and profitability conditions distinguished by product and subregion. They are preliminarily linked to a regional market model through product price transmission. An...
Resource Type:: Dissertation

Creator:: Craigg, Terry Lee
Abstract:: Soils and other resource programs in both public land management agencies and private industry are continually being adapted to the challenges of evolving knowledge and experience in the field of forestry. This dissertation explores new ways of thinking about and using soils information in forest planning and management, with a...
Resource Type:: Dissertation
Full Text:: Pacific Northwest lands. At the core of this work are the concepts of soil quality, in particular, the

Creator:: Brunson, Mark W.
Abstract:: Criticism of established forestry practices has led to the development of alternative silvicultural methods known collectively as "New Forestry." The primary objective of New Forestry is to address concerns about biological diversity, but it is generally acknowledged that controversy will continue until social concerns are also addressed. Consequently, this dissertation...
Resource Type:: Dissertation

Creator:: Slesak, Robert A.
Abstract:: Management practices following forest harvest can affect long-term soil productivity through alteration of soil carbon (C) and nitrogen (N) pools, but processes contributing to change are poorly understood. I assessed effects of three levels of logging-debris retention in combination with initial or annual applications of competing vegetation control (CVC) following...
Resource Type:: Dissertation
Full Text:: Douglas-fir (Pseudotsuga menziesii) forests of the Pacific Northwest Abstract approved

ScholarsArchive@OSU