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  1. The Douglas-fir seed-source movement trial yields early results

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    Author(s): Constance A. Harrington; Brad St. Clair
    Date: 2017
    Source: Western Forester. 3 p.
    Publication Series: Scientific Journal (JRNL)
    Station: Pacific Northwest Research Station
    PDF: Download Publication  (704.0 KB)

    Description

    Climate change in the 21st century is likely to dramatically alter the growing conditions that Pacific Northwest tree species experience. It has been suggested that foresters plan for these changes by moving seed sources to locations where the seed-source environment and the future climate will be similar. Some people have called this type of seed-source movement “assisted migration” with the idea that we are helping the plants move to better suited sites faster than they would naturally. But it is important to realize that people have moved seed sources to new locations for centuries without using this term. Think of David Douglas, the early botanist, plant collector, and the one for whom Douglas-fir is named, who sent thousands of seeds back to the British Isles for propagation.

    Publication Notes

    • Visit PNW's Publication Request Page to request a hard copy of this publication.
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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Harrington, Constance A.; St. Clair, Brad. 2017. The Douglas-fir seed-source movement trial yields early results. Western Forester. 3 p.

    Keywords

    Seed-source movement, Douglas-fir, physiology, needle diseases, chilling.

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https://www.fs.usda.gov/treesearch/pubs/54998