Search Constraints

Start Over
Filtering by: Alternative title ssim PNW 296 Remove constraint Alternative title ssim: PNW 296 Decade 2020-2029 Remove constraint Decade: 2020-2029 Subject Western hemlock Remove constraint Subject: Western hemlock

Search Results

  • Transformation of Western Hemlock Tree Crowns by Dwarf Mistletoe

    Creator:
    Calkins, Stephen J.
    Abstract:
    Hemlock dwarf mistletoe (Arceuthobium tsugense subsp. tsugense) is an arboreal, hemiparasitic plant that principally parasitizes western hemlock (Tsuga heterophylla). Hemlock dwarf mistletoe exerts a profound influence on infected trees that can drastically change the structure of the tree crown due to reduced growth, top dieback, branch deformation and death, resulting...
    Resource Type:
    Masters Thesis
    Full Text:
    USFS PNW Research 20 station (https://andrewsforest.oregonstate.edu). Topographical