Bark Beetle Risk in Mature Ponderosa Pine Forests in Western Montana PDF Download
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Author: Philip Cornwell Johnson
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 44
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Book Description
Author: Philip Cornwell Johnson
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 44
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Book Description
Author: Philip Cornwell Johnson
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 8
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Book Description
The boles of 71 mature ponderosa pine trees killed by Dendroctonus brevicomis LeConte (Coleoptera: Scolytidae) were analyzed to determine the distribution of the attacks by endemic populations of this bark beetle and those of several phloem -feeding associates. The longitudinal -circumferential distribution of the attacks fitted dia- grammatically into four distinguishable bole infestation patterns. The characteristics of the patterns and similarities with comparable ?attacks of D. brevicomis in northeastern California are discussed.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 46
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Author: Richard C. Rothermel
Publisher:
ISBN:
Category : Flame spread
Languages : en
Pages : 618
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Book Description
A mathematical fire model for predicting rate of spread and intensity that is applicable to a wide range of wildland fuels and environment is presented. Methods of incorporating mixtures of fuel sizes are introduced by weighting input parameters by surface area. The input parameters do not require a prior knowledge of the burning characteristics of the fuel.
Author: Bland Z. Richardson
Publisher:
ISBN:
Category : Bark beetles
Languages : en
Pages : 318
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Author: James C. Evenden
Publisher:
ISBN:
Category : Mountain pine beetle
Languages : en
Pages : 36
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Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 178
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Author: George T. Ferrell
Publisher:
ISBN:
Category : Abies concolor
Languages : en
Pages : 36
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Author: United States. Forest Service
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ISBN:
Category :
Languages : en
Pages : 32
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Author:
Publisher:
ISBN:
Category : Forest insects
Languages : en
Pages : 42
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Book Description
