The Western Pine Bark-beetle PDF Download
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Author: Willard Joseph Chamberlin
Publisher:
ISBN:
Category : Western pine beetle
Languages : en
Pages : 32
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Book Description
Author: Willard Joseph Chamberlin
Publisher:
ISBN:
Category : Western pine beetle
Languages : en
Pages : 32
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Book Description
Author: United States. Forest Service
Publisher:
ISBN:
Category : Beetles
Languages : en
Pages : 82
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Book Description
Author: John Martin Miller
Publisher:
ISBN:
Category : Pine
Languages : en
Pages : 402
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Book Description
This publication reviews the results of research on the western pine beetle up to July 1, 1952. It shows the progress that has been made in over a half-century of study of this one bark beetle. It also records the trials and errors--the research that ran into blind alleys. The record of this pioneer effort in the field of forest entomology in the United States should be of great help to research workers who are faced with similar problems.
Author: Clarence J. DeMars
Publisher:
ISBN:
Category : Western pine beetle
Languages : en
Pages : 8
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Book Description
Author: Richard Harrison Smith
Publisher:
ISBN:
Category : Beetles
Languages : en
Pages : 10
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Author: Richard H. Smith
Publisher:
ISBN:
Category : Western pine beetle
Languages : en
Pages : 16
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Book Description
Nearly 70 years of research and application are reviewed and assessed. Results of direct control projects can be characterized as generally effective, temporary, quite variable, and unpredictable in reducing subsequent tree mortality. Some causes of this characterization are variable and difficult stand conditions and logistics, lack of good beetle population measurements and prediction, unknown attributes of tree and stand dynamics and of beetle population dynamics, and unforeseen post-application factors. The control method used did not appreciably change this characterization: fell-peel-bum, salvage logging, penetrating oil, residual toxic sprays, or attractive pheromones. Use of attractive pheromones was never thoroughly analyzed, and use of baited toxic trap trees was never adequately tested; both should be done.
Author: Richard H. Smith
Publisher:
ISBN:
Category : Pine
Languages : en
Pages : 12
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Book Description
Author: John Martin Miller
Publisher:
ISBN:
Category : Western pine beetle
Languages : en
Pages : 78
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Book Description
Author: J. M. Miller
Publisher:
ISBN:
Category :
Languages : en
Pages : 381
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Book Description
Author: John M. Miller
Publisher:
ISBN: 9781258807115
Category :
Languages : en
Pages : 390
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Book Description
