Protecting Old Trees From Prescribed Burning
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Protecting Old Trees From Prescribed Burning
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Author :
language : en
Publisher:
Release Date : 2011
Protecting Old Trees From Prescribed Burning written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Old growth forest conservation categories.
Mitigating Old Tree Mortality In Long Unburned Fire Dependent Forests
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Author : Sharon M. Hood
language : en
Publisher: CreateSpace
Release Date : 2012-10
Mitigating Old Tree Mortality In Long Unburned Fire Dependent Forests written by Sharon M. Hood and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10 with Nature categories.
Historically, many forested ecosystems in the United States burned frequently, both from lightning ignited fires and from Native American burning. Frequent fire maintained low fuel loadings and shaped forests composed of tree species adapted to survive low-intensity frequent fire. In the early 1900s, the United States government initiated a program to suppress all fires, both natural and anthropogenic. Many unintended consequences have resulted from over a century of fire suppression, such as increased tree densities and fuel, increased stress on older trees from competition, and greater risk of bark beetle attacks. These consequences are especially apparent in forests that historically burned frequently and have thus missed many fire cycles. Maintaining old trees and perpetuating large-diameter trees is an increasing concern. Stands of old trees that were historically common across vast landscapes in the United States are now relatively rare on the landscape because of harvesting (Noss and others 1995). Though logging is no longer the principal threat to most old-growth forests, they now face other risks (Vosick and others 2007). Prescribed fire has become a major tool for restoring fire-dependent ecosystem health and sustainability throughout the United States and use will likely increase in the future. However, increased mortality of large-diameter and old trees following fire has been reported in many areas around the country, and there is increased concern about maintaining these on the landscape (Kolb and others 2007; Varner and others 2005). As early as 1960, Ferguson and others (1960) reported high longleaf pine mortality after a low-intensity prescribed burn consumed the majority of heavy duff accumulations around the base of the trees. Mortality of pre-settlement ponderosa pines in prescribed burn areas in Grand Canyon National Park was higher than in control plots (Kaufmann and Covington 2001). After beginning a forest restoration program that reintroduced fire by prescribed burning at Crater Lake National Park, excessive post-fire mortality of larger ponderosa pine was observed in the burn areas, and early season burns had an even higher mortality than late season burns (Swezy and Agee 1991). Both Swezy and Agee (1991) and McHugh and Kolb (2003) reported a U-shaped mortality distribution for ponderosa pine following wildfires, with smaller- and larger-diameter trees having higher mortality than mid-diameter trees. Forest managers around the country have expressed concerns about large-diameter and old tree mortality when prescribed burning in long-unburned forests. The synthesis herein suggests recommendations for maintaining and perpetuating old trees in fire-dependent ecosystems. It expands on efforts funded by the Joint Fire Science Program (JFSP) to define the issues surrounding burning in fire excluded forests of the United States that are adapted to survive frequent fire. When the JFSP initially funded this synthesis, two JFSP projects were examining the effect of raking on reducing old ponderosa and Jeffrey pine (subsequently published in Fowler and others 2010; Hood and others 2007a). Another JFSP project examined the effect of prescribed burning under different duff moisture conditions on long-unburned old longleaf pine mortality (Varner and others 2007). Two other syntheses were also recently published on this subject: Perpetuating old ponderosa pine (Kolb and others 2007) and The conservation and restoration of old growth in frequent-fire forests of the American West (Egan 2007). The scope of the synthesis herein focuses only on limiting over story tree mortality in species adapted to survive frequent fire; therefore, the implications of fire suppression and fuel treatments on other ecosystem components are not discussed.
Protecting Old Trees From Prescribed Fire
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Author : Anne Minard
language : en
Publisher:
Release Date : 2002
Protecting Old Trees From Prescribed Fire written by Anne Minard and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Old growth forest conservation categories.
Due to logging and other ecological changes, old trees have grown scarce in most southwestern ponderosa pine forests. Many of those that remain are under increased stress due to competition from overcrowded younger trees, as well as from fire and insects. One of the primary aims of forest restoration is to preserve old trees and to reduce competition around younger trees so that they grow large more quickly. This paper explores methods to avoid fire-caused mortality among the older leave trees during a restoration treatment.
Federal Lands Forest Health Protection And Restoration Act
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Author : United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Forests and Public Land Management
language : en
Publisher:
Release Date : 1995
Federal Lands Forest Health Protection And Restoration Act written by United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Forests and Public Land Management and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Law categories.
Mitigating Old Tree Mortality In Long Unburned Fire Dependent Forests
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Author : Sharon M. Hood
language : en
Publisher: DIANE Publishing
Release Date : 2011
Mitigating Old Tree Mortality In Long Unburned Fire Dependent Forests written by Sharon M. Hood and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Nature categories.
This is a print on demand edition of a hard to find publication. This report synthesizes the literature and current state of knowledge pertaining to re-introducing fire in stands where it has been excluded for long periods and the impact of these introductory fires on overstory tree injury and mortality. Only forested ecosystems in the United States that are adapted to survive frequent fire are included. Treatment options that minimize large-diameter and old tree injury and mortality in areas with deep duff and methods to manage and reduce duff accumulations are discussed. Pertinent background information on tree physiology, properties of duff, and historical versus current disturbance regimes are also discussed. Charts and tables.
Usda Implementation Of The Agricultural Risk Protection Act Of 2000 And Related Crop Insurance Issues
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Author : United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry
language : en
Publisher:
Release Date : 2003
Usda Implementation Of The Agricultural Risk Protection Act Of 2000 And Related Crop Insurance Issues written by United States. Congress. Senate. Committee on Agriculture, Nutrition, and Forestry and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Business & Economics categories.
Nation S Forests Health Problems
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Author : United States. Congress. Senate. Committee on Energy and Natural Resources
language : en
Publisher:
Release Date : 2003
Nation S Forests Health Problems written by United States. Congress. Senate. Committee on Energy and Natural Resources and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Forest fires categories.
Measuring Soil And Tree Temperatures During Prescribed Fires With Thermocouple Probes
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Author : Stephen S. Sackett
language : en
Publisher:
Release Date : 1992
Measuring Soil And Tree Temperatures During Prescribed Fires With Thermocouple Probes written by Stephen S. Sackett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Prescribed burning categories.
Soil and cambium temperatures must be known to ascertain certain effects of prescribed fires on trees. Thermocouple-based systems were devised for measuring soil and cambium temperatures during prescribed fires. The systems, which incorporate both commercially available and custom components, perform three basic functions: data collection, data retrieval, and data translation. Although the systems and procedures for using them were designed for research purposes, they could be adapted for monitoring operational prescribed fires.
Prescribed Burning And Direct Seeding Old Clearcuts In The Piedmont
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Author : W. Henry McNab
language : en
Publisher:
Release Date : 1976
Prescribed Burning And Direct Seeding Old Clearcuts In The Piedmont written by W. Henry McNab and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Burning of land categories.
Coconino National Forest N F Kachina Village Forest Health Project
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Author :
language : en
Publisher:
Release Date : 2003
Coconino National Forest N F Kachina Village Forest Health Project written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.