Bark Beetle Risk In Mature Ponderosa Pine Forests In Western Montana
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Author | : Philip Cornwell Johnson |
Publisher | : |
Total Pages | : 44 |
Release | : 1972 |
Genre | : Bark beetles |
ISBN | : |
Download Bark Beetle Risk in Mature Ponderosa Pine Forests in Western Montana Book in PDF, Epub and Kindle
Author | : Philip Cornwell Johnson |
Publisher | : Forgotten Books |
Total Pages | : 48 |
Release | : 2018-09-12 |
Genre | : Business & Economics |
ISBN | : 9781396195853 |
Download Bark Beetle Risk in Mature Ponderosa Pine Forests in Western Montana (Classic Reprint) Book in PDF, Epub and Kindle
Excerpt from Bark Beetle Risk in Mature Ponderosa Pine Forests in Western Montana Objectives of the study were to be achieved by annually measuring the mortality of ponderosa pine trees caused by the pine beetle over a 10-year period following the single initial risk rating of the trees. For this purpose, 35 plots having a combined net timbered area of 553 acres were established between 1948 and 1958 in widely scattered stands of virgin mature ponderosa pine in Montana west of the Continental Divide. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author | : Philip Cornwell Johnson |
Publisher | : |
Total Pages | : 0 |
Release | : 1972 |
Genre | : Bark beetles |
ISBN | : |
Download Bark Beetle Risk in Mature Ponderosa Pine Forests in Western Montana Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 32 |
Release | : 1972 |
Genre | : Bark beetles |
ISBN | : |
Download Bark Beetle Risk in Mature Ponderosa Pine Forests in Western Montana Book in PDF, Epub and Kindle
Author | : Philip Cornwell Johnson |
Publisher | : |
Total Pages | : 8 |
Release | : 1967 |
Genre | : Bark beetles |
ISBN | : |
Download Distribution of Bark Beetle Attacks on Ponderosa Pine Trees in Montana Book in PDF, Epub and Kindle
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 | : |
Total Pages | : 46 |
Release | : 1972 |
Genre | : Forests and forestry |
ISBN | : |
Download USDA Forest Service Research Paper INT. Book in PDF, Epub and Kindle
Author | : James C. Evenden |
Publisher | : |
Total Pages | : 36 |
Release | : 1943 |
Genre | : Mountain pine beetle |
ISBN | : |
Download The Mountain Pine Beetle, an Important Enemy of Western Pines Book in PDF, Epub and Kindle
Author | : Bruce Erickson |
Publisher | : |
Total Pages | : 12 |
Release | : 2006 |
Genre | : Mountain pine beetle |
ISBN | : |
Download Reducing Mountain Pine Beetle-caused Mortality in Ponderosa Pine Plantations Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 178 |
Release | : 1981 |
Genre | : Forest insects |
ISBN | : |
Download Hazard-rating Systems in Forest Insect Pest Management Book in PDF, Epub and Kindle
Author | : Bland Z. Richardson |
Publisher | : |
Total Pages | : 318 |
Release | : 1971 |
Genre | : Bark beetles |
ISBN | : |
Download Great Basin Station Book in PDF, Epub and Kindle