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  1. 1

    Discovering Douglas-Fir Woodlands in the Historical Forests of Umatilla National Forest, Eastern Oregon and Washington by Brice B. Hanberry, Donald C. Justice, David C. Powell

    Published 2020-10-01
    “…We discovered unique Douglas-fir open woodlands in the Umatilla National Forest using historical surveys. …”
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  2. 2

    Effects of projected climate change on vegetation in the Blue Mountains ecoregion, USA by Becky K. Kerns, David C. Powell, Sabine Mellmann-Brown, Gunnar Carnwath, John B. Kim

    Published 2018-04-01
    “…Although uncertainty exists about the exact nature of future vegetation change, we infer that the following are likely to occur by the end of the century: (1) dominance of ponderosa pine and sagebrush will increase in many locations, (2) the forest-steppe ecotone will move upward in latitude and elevation, (3) ponderosa pine will be distributed at higher elevations, (4) subalpine and alpine systems will be replaced by grass species, pine, and Douglas-fir, (5) moist forest types may increase under wetter scenarios, (6) the distribution and abundance of juniper woodlands may decrease if the frequency and extent of wildfire increase, and (7) grasslands and shrublands will increase at lower elevations. …”
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