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Filtering by: Subject Western water hemlock Committee Member Cromack, Kermit

Logs as sites of tree regeneration in Picea sitchensis-Tsuga heterophylla forests of coastal Washington and Oregon

Creator:

Harmon, Mark E.

Abstract:

Logs are seedbeds for trees in many Picea sitchensis-Tsuga heterophylla forests of Washington and Oregon. Factors affecting this close association, including seed retention and seedling establishment on logs and successional changes in log characteristics, are explored In this study. Field and laboratory experiments indicated that competition with vegetation on the...

Resource Type:

Dissertation
Sitka spruce and western hemlock regeneration after selective harvesting, Tongass National Forest, southeast Alaska

Creator:

Yount, Louise Simmons

Abstract:

The objectives of this study were to determine the species composition and density of natural conifer regeneration following selective logging in southeast Alaska. Therefore, we quantified the density and size of new cohort spruce and hemlock and current seedling bank in 17 selectively logged stands. All stands were in mixed...

Resource Type:

Masters Thesis