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Author : Merrill R. Kaufmann
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (319 download)
Download or read book Vigor of Ponderosa Pine Trees Surviving Mountain Pine Beetle Attack written by Merrill R. Kaufmann and published by . This book was released on 1984 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Merrill R. Kaufmann
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (247 download)
Download or read book Vigor of Ponderosa Pine Trees Surviving Mountain Pine Beetle Attack written by Merrill R. Kaufmann and published by . This book was released on 1984 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Larsson
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (789 download)
Download or read book Attacks of Mountain Pine Beetle as Related to Tree Vigor of Ponderosa Pine written by S. Larsson and published by . This book was released on 1983 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Charles Sartwell
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.:/5 (319 download)
Download or read book Silvicultural and direct control of mountain pine beetle in second-growth ponderosa pine written by Charles Sartwell and published by . This book was released on 1976 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David C. Chojnacky
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (319 download)
Download or read book Mountain Pine Beetle Attack in Ponderosa Pine: Comparing Methods for Rating Susceptibility written by David C. Chojnacky and published by . This book was released on 2000 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two empirical methods for rating susceptibility of mountain pine beetle attack in ponderosa pine were evaluated. The methods were compared to stand data modeled to objectively rate each sampled stand for susceptibly to bark-beetle attack. Data on bark-beetle attacks, from a survey of 45 sites throughout the Colorado Plateau, were modeled using logistic regression to estimate the probability of attack on individual trees from tree and stand variables. The logistic model allowed flexibility to easily scale results up to a stand level for comparison to the empirical methods. The empirical method, developed by Munson and Anhold, most closely correlated to the logistic regression results. However, the Munson/Anhold method rated all 45 study sites as either moderately or highly susceptible to bark-beetle attack, which raises concern about its lack of sensitivity. Future work on evaluating risk of bark-beetle impact should consider more than stand characteristics.
Author : Sara J. Zimmer
Publisher :
ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.:/5 (417 download)
Download or read book The Association of Lodgepole Pine Tree Vigor with Incidence of Mountain Pine Beetle Attack written by Sara J. Zimmer and published by . This book was released on 1986 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. M. Schmid
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.F/5 ( download)
Download or read book Mountain Pine Beetle-killed Trees as Snags in Black Hills Ponderosa Pine Stands written by J. M. Schmid and published by . This book was released on 2009 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mountain pine beetle-killed ponderosa pine trees in three stands of different stocking levels near Bear Mountain in the Black Hills National Forest were surveyed over a 5-year period to determine how long they persisted as unbroken snags. Rate of breakage varied during the first 5 years after MPB infestation: only one tree broke during the first 2 years in the three stands; breakage increased during the third year; the highest percentage of snags broke during the fourth year; and 10% to 14% broke in the fifth year. Cumulatively, snag breakage was 76%, 91%, and 95% in a GSL 80/90, GSL 100/110, and unmanaged stand, respectively. On average, 56% of the snags broke below 25 ft. The rate and height of breakage in mountain pine beetle-killed trees indicates that they are unlikely to persist as suitable snags for more than 5 to 10 years after infestation.
Author :
Publisher :
ISBN 13 :
Total Pages : 82 pages
Book Rating : 4.3/5 (42 download)
Download or read book Research Note RM. written by and published by . This book was released on 1984 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael G. Harrington
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (319 download)
Download or read book Fall Rates of Prescribed Fire-killed Ponderosa Pine written by Michael G. Harrington and published by . This book was released on 1996 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo
Publisher :
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.0/5 ( download)
Download or read book U.S. Forest Service Research Note written by United States. Rocky Mountain Forest and Range Experiment Stations, Fort Collins, Colo and published by . This book was released on 1981 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : EDWIN WALFRED MOGREN
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.3/5 (91 download)
Download or read book A STUDY OF SOME ASPECTS OF SUSCEPTIBILITY OF PONDEROSA PINE TO ATTACK BY BLACK HILLS BEETLE. written by EDWIN WALFRED MOGREN and published by . This book was released on 1955 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 432 pages
Book Rating : 4.:/5 (319 download)
Download or read book Multiresource Management of Southwestern Ponderosa Pine Forests written by and published by . This book was released on 1991 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William F. McCambridge
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (31 download)
Download or read book Ponderosa Pine Mortality Resulting from a Mountain Pine Beetle Outbreak written by William F. McCambridge and published by . This book was released on 1982 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: From 1965 to 1978, mountain pine beetles killed 25% of the pines taller than 4.5 feet in a study area in north-central Colorado. Average basal area was reduced from 92 to 58 square feet per acre. Mortality increased with tree diameter up to about 9 inches d.b.h. Larger trees appeared to be killed at random. Mortality was directly related to number of trees per acre and presence of dwarf mistletoe, but not to site index, elevation, and percent Douglas-fir in the stand.
Author : S. A. Mata
Publisher :
ISBN 13 :
Total Pages : 2 pages
Book Rating : 4.:/5 (319 download)
Download or read book Accuracy of Determining Mountain Pine Beetle Attacks in Ponderosa Pine Utilizing Pitch Tubes, Frass, and Entrance Holes written by S. A. Mata and published by . This book was released on 1972 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William F. McCambridge
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.:/5 (319 download)
Download or read book Effectiveness of Thinning Ponderosa Pine Stands in Reducing Mountain Pine Beetle-caused Tree Losses in the Black Hills, Preliminary Observations written by William F. McCambridge and published by . This book was released on 1982 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 582 pages
Book Rating : 4.3/5 (91 download)
Download or read book Research Paper INT. written by and published by . This book was released on 1981 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas L. Parker
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (3 download)
Download or read book Integrated Pest Management Guide written by Douglas L. Parker and published by . This book was released on 1980 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
