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1935. Page 29. BarkBeetle Enemies of California Forests. Prepared b... |
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Caption: |
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Control of Western Pine Beetle by Solar Heat |
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During the summer season, broods can be destroyed by |
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spreading infested bark in the sun. When air temperatures |
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are above 85 F., bark so exposed will heat up to 120 F., |
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which is sufficient to kill the insects. |
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Photo by: J.M. Miller |
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Date: None recorded |
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Photo and caption from page 29 of a hand-colored photo |
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album called BarkBeetle Enemies of California Forests. |
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Prepared by the USDA Bureau of Entomology and Plant |
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Quarantine in cooperation with the State Emergency Relief |
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Administration - Project 3F-2-302 and the Emergency |
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Educational Program. Berkeley, California. February, 1935. |
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Credit: USDA Forest Service, Pacific Northwest Region, |
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State and Private Forestry, Forest Health Protection. |
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Collection: Forest Health Protection digital file |
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collection; Region 6 Regional Office, Portland, Oregon. |
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Wickman's account of these photo albums: |
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"The drought-related stress to trees on million of |
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acres of |
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ponderosa pine forests in the inland West caused |
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dramatic |
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levels of tree mortality that could not be ignored by |
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politicians. Miller, Keen, and Patterson also played a |
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clever propaganda game to procure appropriations to |
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increase the research efforts on the western pine beetle. |
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During the depression, government agencies provided some |
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level of support for artists, cartographers, and |
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draftsmen as a make work program. These artisans were |
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eagerly employed by Miller at bargain prices to produce |
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hand-colored photo albums showing the extent of the tree |
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mortality caused by bark beetles, what was being done, |
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and what was needed in the form of research programs to |
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curb this wasteful tree loss. Miller got the message |
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across by supplying these albums to trade associations, |
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chambers of commerce, politicians, and universities." |
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From: Wickman, Boyd E. 2005. Harry E. Burke and John M. |
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Miller, pioneers in Western forest entomology. Gen. Tech. |
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Rep. PNW-GTR-638. Portland, OR: USDA, Forest Service, |
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Pacific Northwest Research Station. p. 126. |
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www.fs.fed.us/pnw/publications/pnw_gtr638/[1] |
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For additional historical forest entomology photos, |
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stories, and resources see the Western Forest Insect Work |
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Conference site: wfiwc.org/content/history-and-resources |
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[2] |
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Image provided by USDA Forest Service, Pacific |
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Northwest Region, State and Private Forestry, Forest |
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Health Protection: www.fs.usda.gov/main/r6/forest- |
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grasslandhealth[3] |
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References |
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1. https://www.fs.fed.us/pnw/publications/pnw_gtr638/ (link) |
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2. http://wfiwc.org/content/history-and-resources (link) |
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3. https://www.fs.usda.gov/main/r6/forest-grasslandhealth (link) |
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Date Published: 2018-11-08 20:19:11 |
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Identifier: usdafs-36955219680 |
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Item Size: 2131396 |
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Media Type: image |
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# Topics |
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divisionofforestinsectinvestigations |
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r6 |
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usda |
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artist |
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stateandprivateforestry |
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westernpinebeetle |
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emergencyeducationalprogram |
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region6 |
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barkbeetle |
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art |
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infested |
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bureauofentomologyandplantquarantine |
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control |
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usfs |
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kill |
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forestservice |
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forestentomology |
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bark |
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solarheat |
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barkbeetles |
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brood |
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foresthealthprotection |
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pinebeetle |
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1935 |
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barkbeetleenemiesofcaliforniaforests |
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forestinsect |
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forest service |
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jmmiller |
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barkbeetlecontrol |
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pinebeetlecontrol |
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handtinted |
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A Pulaski |
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bureauofentomology |
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stateemergencyreliefadministration |
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handcolored |
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project3f2302 |
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barkbeetleenemies |
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# Collections |
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usda-forestservice |
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# Uploaded by |
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@jeff_kaplan |
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