Fire Hazard From Precommercial Thinning Of Ponderosa Pine Classic Reprint PDF Download
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Author | : George R. Fahnestock |
Publisher | : Forgotten Books |
Total Pages | : 28 |
Release | : 2018-05-03 |
Genre | : Business & Economics |
ISBN | : 9780366454600 |
Download Fire Hazard from Precommercial Thinning of Ponderosa Pine (Classic Reprint) Book in PDF, ePub and Kindle
Excerpt from Fire Hazard From Precommercial Thinning of Ponderosa Pine Bark. - Ponderosa pine bark volume consist ently is about percent of peeled wood volume. Specific gravity of bark varies widely with growing conditions (spalt and Reifsnyder In the absence of a figure for ponderosa pine, the best assumption seems to be that bark density approximates wood density. Therefore, weight of bark is percent of the weight of wood in a particular tree bole. 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 | : |
Publisher | : |
Total Pages | : |
Release | : 1968 |
Genre | : |
ISBN | : |
Download Fire Hazard from Precommercial Thinning of Ponderosa Pine Book in PDF, ePub and Kindle
Author | : George R. Fahnestock |
Publisher | : |
Total Pages | : 22 |
Release | : 1968 |
Genre | : Forest fires |
ISBN | : |
Download Fire Hazard from Precommercial Thinning of Ponderosa Pine Book in PDF, ePub and Kindle
Author | : George R. Fahnestock |
Publisher | : |
Total Pages | : |
Release | : 1968 |
Genre | : |
ISBN | : |
Download Fire Hazard from Precommercial Thinning of Ponderosa Pine Book in PDF, ePub and Kindle
Author | : Michael G. Harrington |
Publisher | : Forgotten Books |
Total Pages | : 20 |
Release | : 2017-11-10 |
Genre | : Business & Economics |
ISBN | : 9780260737878 |
Download Fall Rates of Prescribed Fire-Killed Ponderosa Pine (Classic Reprint) Book in PDF, ePub and Kindle
Excerpt from Fall Rates of Prescribed Fire-Killed Ponderosa Pine Cumulative tree fall percentages were calculated by dividing the total number of trees that had fallen up to the end of a particular year by the number of dead trees. Not only did tree fall numbers increase over the 10-year study, but the number of dead trees also increased. This represented an increasing pool from which trees could fall. Annual fall rates were calculated by dividing the number of trees that came down in a year by the number of standing dead trees at the beginning of that year. For each year, the number of trees that could possibly fall (standing dead) was reduced by the num ber that previously fell and was increased by the number that recently died. Average annual fall rates for a particular seasonal treatment, scorch class, or size class were calculated by averaging annual tree fall rates over the length of the study. In the figures, mortality rates are shown along a time scale that is Year After Fire, whereas the cumulative tree fall percentages are shown along a more appropriate time scale, Year After Death. Be cause trees fell as a consequence of mortality, the Year After Death scale starts all trees at a point when they can begin falling. 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 | : Anson William Lindenmuth Jr. |
Publisher | : Forgotten Books |
Total Pages | : 34 |
Release | : 2018-09-16 |
Genre | : Business & Economics |
ISBN | : 9781396072291 |
Download A Survey of Effects of Intentional Burning on Fuels and Timber Stands of Ponderosa Pine in Arizona (Classic Reprint) Book in PDF, ePub and Kindle
Excerpt from A Survey of Effects of Intentional Burning on Fuels and Timber Stands of Ponderosa Pine in Arizona Drought Index was constant at 77 on a scale of 100 points by the 2, -index system for rating fire danger (table That is at the boundary between the moderate class, in which coarse fuels do not burn readily, and the high class, in which coarse fuels burn readily. At this level of Drought Index partial and spotty combustion in coarse fuel is normal fire behavior. 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 | : Stephen F. Arno |
Publisher | : Forgotten Books |
Total Pages | : 38 |
Release | : 2018-04-28 |
Genre | : Business & Economics |
ISBN | : 9780366272303 |
Download Age-Class Structure of Old Growth Ponderosa Pine/Douglas-Fir Stands and Its Relationship to Fire History (Classic Reprint) Book in PDF, ePub and Kindle
Excerpt from Age-Class Structure of Old Growth Ponderosa Pine/Douglas-Fir Stands and Its Relationship to Fire History We chose 1900 as a basis for characterizing bistori cal stand conditions because studies in ponderosa pine/ fir forests generally indicate a disruption in the his torical pattern of frequent fires shortly after that time (arno Results of such comparative analyses can be influenced by the year chosen to represent his toric or presettlement conditions. The bias associ ated with using a single year to typify historic condi tions is offset somewhat by sampling several stands with different disturbance histories, as we did. Also, records of fire history in ponderosa pine forests of western Montana show a consistent pattern of frequent fire fiom 1900 back to about 1500; beyond that thresh old few living trees are available to sample (arno 1976; Barrett and Arno Stand structure comparisons might be made for several different dates prior to 1900, but the quality of projected stand information declines for earlier dates because of decay and effects of past fires in consuming dead trees. 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 | : Michael G. Harrington |
Publisher | : |
Total Pages | : 12 |
Release | : 1996 |
Genre | : Ponderosa pine |
ISBN | : |
Download Fall Rates of Prescribed Fire-killed Ponderosa Pine Book in PDF, ePub and Kindle
Author | : Ralph Edmund Campbell |
Publisher | : Forgotten Books |
Total Pages | : 22 |
Release | : 2018-03-28 |
Genre | : |
ISBN | : 9780365644965 |
Download Wildfire Effects on a Ponderosa Pine Ecosystem Book in PDF, ePub and Kindle
Excerpt from Wildfire Effects on a Ponderosa Pine Ecosystem: An Arizona Case Study The effects of a wildfire which burned in a north-central Arizona ponderosa pine forest in May 1972 were evaluated on watersheds with three burn conditions: unburned, moderately burned, and severely burned. Approximately 50% of the pulpwood-size trees and 7% of the sawtimber were killed on the moderately burned watershed. On the severely burned watershed, 90% of the pulpwood and 50% of the sawtimber trees were killed. N 0 natural tree regeneration is evident after 4 yr. 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 | : Michael G. Harrington |
Publisher | : |
Total Pages | : 0 |
Release | : 1996 |
Genre | : Ponderosa pine |
ISBN | : |
Download Fall Rates of Prescribed Fire-killed Ponderosa Pine Book in PDF, ePub and Kindle