Zobrazeno 1 - 5
of 5
pro vyhledávání: '"D. R. Geiszler"'
Publikováno v:
Zeitschrift für Angewandte Entomologie. 98:389-394
After light ground fires smolder through climax lodgepole pine (Pinus contorta var. murrayana) stands, Dendroctonus ponderosae attacked a high proportion of unscorched and lightly fire-damaged trees; Ips pini preferentially attacked the moderately to
Publikováno v:
Zeitschrift für Angewandte Entomologie. 93:182-186
The flight capacity of male and female Hypsipla grandella was determined by flight mill and wing beat frequency analyses. Flight velocity and duration of 2 to 4 day old female moths decreased significantly more than that of males. However 1 to 2 day
Publikováno v:
The Bark Beetles, Fuels, and Fire Bibliography
Interactions between fire, fungi, bark beetles and lodge- pole pines growing on the pumice plateau of central Oregon are described. Mountain pine beetle (Dendroctonusponderosae) out- breaks occur mainly in forests that are 80-150 years old with a mea
Publikováno v:
Forest Ecology and Management. 5:207-214
Three forest disturbance periods, 1973—present, 1922–1929, and 1827–1946 were determined by aging scars on stems of lodgepole pine trees. All of the scars from the 1970's and 1920's, and most of the scars from the 1820's–40's were determined
Publikováno v:
Annals of the Entomological Society of America. 77:333-334
Dispersing Dendroctonus ponderosae landed preferentially on lodgepole pines with fire scars and decay ( P = 0.023 and P = 0.008, respectively, by joint binomial distribution analysis).