Search results for: Wickman, Boyd E.

Showing 1 - 20 results of 25 Refine Results
  1. 1

    Douglas-fir tussock moth handbook : how to estimate defoliation and predict tree damage

    Authors: Wickman, Boyd E.
    Published: Department of Agriculture : for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1979
    Physical Description: 15 pages : illustrations (part. color) ; 24 cm.
    Government Document Book
  2. 2

    Radial growth in grand fir and Douglas-fir related to defoliation by the Douglas-fir tussock moth in the Blue Mountains outbreak

    Authors: Wickman, Boyd E.
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1980
    Physical Description: 23 pages : illustrations, map ; 27 cm.
    Government Document Book
  3. 3

    Douglas-fir tussock moth

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, 1980
    Physical Description: 10 pages : color illustrations, 1 map ; 23 cm.
    Government Document Book
  4. 4

    Growth of white fir after Douglas-fir tussock moth outbreaks : long-term records in the Sierra Nevada

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research, 1986
    Physical Description: 8 pages : illustrations ; 28 cm.
    Government Document Book
  5. 5

    Natural regeneration 10 years after a Douglas-fir tussock moth outbreak in northeastern Oregon

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1986
    Physical Description: 15 pages : map ; 28 cm.
    Government Document Book
  6. 6

    Radial growth of grand fir and douglas-fir 10 years after defoliation by the douglas-fir tussock moth in the Blue Mountains outbreak

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1986
    Physical Description: 11 pages : illustrations ; 28 cm.
    Government Document Book
  7. 7

    Tree growth in thinned and unthinned white fir stands 20 years after a Douglas-fir tussock moth outbreak

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1988
    Physical Description: 11 pages : illustrations ; 28 cm.
    Government Document Book
  8. 8

    The battle against bark beetles in Crater Lake National Park, 1925-34

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1990
    Physical Description: 40 pages : illustrations, map ; 28 cm.
    Government Document Book
  9. 9

    Mammoth Lakes revisited, 50 years after a Douglas-fir Tussock Moth outbreak

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1991
    Physical Description: 6 pages : illustrations ; 28 cm.
    Government Document Book
  10. 10

    Forest health in the Blue Mountains : the influence of insects and diseases

    Authors: Wickman, Boyd E.
    Published: USDA Forest Service, Pacific Northwest Research Station, 1992
    Physical Description: 15 pages : illustrations (some color) ; 28 cm.
    Government Document Microfilm Book
  11. 11

    Degree-day accumulation related to the phenology of Douglas-fir tussock moth and white fir during five seasons of monitoring in southern Oregon

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981
    Physical Description: 10 pages : illustrations ; 28 cm.
    Government Document Book
  12. 12

    Comparison of a degree-day computer and a recording thermograph in a forest environment

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985
    Physical Description: 6 pages : illustrations ; 28 cm.
    Government Document Book
  13. 13

    Douglas fir tussock moth egg hatch and larval development in relation to phenology of grand fir and Douglas-fir in northeastern Oregon

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1976
    Physical Description: 13 pages : graphs ; 28 cm.
    Government Document Book
  14. 14

    Douglas fir tussock moth egg hatch and larval development in relation to phenology of white fir in southern Orgeon

    Authors: Wickman, Boyd E.
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1977
    Physical Description: 9 pages : illustrations ; 27 cm.
    Government Document Book
  15. 15

    A case study of a Douglas-fir tussock moth outbreak and stand conditions 10 years later

    Authors: Wickman, Boyd E.
    Published: Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1978
    Physical Description: 22 pages : illustrations ; 27 cm.
    Government Document Book
  16. 16

    How to time the sampling of tussock moth larvae

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Combined Forest Pest Research and Development Program, 1978
    Physical Description: 1 folded sheet (6 pages) : illustrations (some color) ; 24 cm.
    Book
  17. 17

    Evaluating damage caused to a campground by Douglas-fir tussock moth

    Authors: Wickman, Boyd E.
    Published: U.S. Forest Service, 1975
    Physical Description: 6 pages : illustrations ; 27 cm.
    Government Document Book
  18. 18

    Seasonal variation of degree-day accumulation in relation to phenology of western spruce budworm, Douglas-fir tussock moth, and host trees in northeastern Oregon

    Authors: Wickman, Boyd E.
    Published: U.S. Department of Agriculture, Pacific Northwest Research Station, 1988
    Physical Description: 11 pages : illustrations ; 28 cm.
    Government Document Microfilm Book
  19. 19

    Harry E. Burke and John M. Miller, pioneers in western forest entomology

    Authors: Wickman, Boyd E.
    Published: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2005
    Physical Description: iv, 165 pages : digital, PDF file.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  20. 20

    Major outbreaks of the Douglas-fir tussock moth in Oregon and California

    Authors: Wickman, Boyd E.
    Published: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, 1973
    Physical Description: 18 pages : illustrations ; 27 cm.
    Government Document Book