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Establishment and growth of natural and planted conifers ten years after overstory thinning and vegetation control in 50-year-old Douglas-fir stands

Creator:

Nabel, Mark R.

Abstract:

Forest managers of public lands in western Oregon and Washington have become increasingly interested in creating additional conifer cohorts in young, even-aged, second-growth Douglas-fir stands. The purpose of our research was to assess the establishment, survival, and growth of naturally-regenerated and underplanted conifers 10-13 years after overstory thinning and understory...

Resource Type:

Masters Thesis

Full Text:

the Oregon Coast Range were used in our study. One site was relatively dry (~130 cm of annual
Functional relationships among vegetation, nocturnal insects, and bats in riparian areas of the Oregon Coast Range

Creator:

Ober, Holly K.

Abstract:

Vegetation provides food for many insects, and many insects serve as food for bats. We investigated the linkages among these three trophic levels in riparian areas throughout the Oregon Coast Range by examining the influence of vegetation cover, composition, and structure on the activity of nocturnal insects and bats, the...

Resource Type:

Dissertation

Full Text:

Riparian Areas of the Oregon Coast Range. Abstract approved
Tree species-soils relationships in old-growth forests of the Oregon Coast Range

Creator:

Cross, Alison

Abstract:

Tree species directly and indirectly affect soil nutrient cycles. I sought to characterize soils and foliage associated with four common canopy tree species (Douglas-fir, western hemlock, western redcedar, and bigleaf maple) in mixed-species old-growth forests of the Oregon Coast Range and to determine whether and how soils differ among the...

Resource Type:

Masters Thesis

Full Text:

the Oregon Coast Range. Abstract approved

ScholarsArchive@OSU

Establishment and growth of natural and planted conifers ten years after overstory thinning and vegetation control in 50-year-old Douglas-fir stands

Functional relationships among vegetation, nocturnal insects, and bats in riparian areas of the Oregon Coast Range

Tree species-soils relationships in old-growth forests of the Oregon Coast Range

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