Rule Based Mapping Of Fire Adapted Vegetation And Fire Regimes For The Monongahela National Forest
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Rule Based Mapping Of Fire Adapted Vegetation And Fire Regimes For The Monongahela National Forest
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Author : Melissa A. Thomas-Van Gundy
language : en
Publisher:
Release Date : 2007
Rule Based Mapping Of Fire Adapted Vegetation And Fire Regimes For The Monongahela National Forest written by Melissa A. Thomas-Van Gundy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Fire ecology categories.
S2The use of prescribed fire is expected to increase as efforts to restore fire-dependent ecosystems gain momentum nationally. The documentation of historical fire regimes is essential for setting restoration objectives that include prescribed burning. To aid the Monongahela National Forest in this endeavor, a rule-based approach was employed in GIS to map fire-adapted vegetation and fire regimes. Spatial analyses and maps were generated using ArcMap 9.1 using the proclamation boundary of the Monongahela National Forest as our study area. Based on current knowledge of fire-vegetation-site relationships, we reviewed available data sets for relevancy in estimating fire regimes. Four themes were selected: land type association, potential natural vegetation (primary and secondary), and current forest type. All themes were converted to 20 m2 grids. Selected features of each theme were scaled from 1 through 5 according to their relationship to fire, with 1 representing conditions most conducive to fire and 5 the least. Each theme was weighted to reflect its inferred effect on system fire adaptation. The resulting fire adaptation scores were then categorized into standard fire regime groups. Fire regime group V (200+ yrs fire frequency) was the most common, assigned to more than 510,000 ha, primarily in the Allegheny Mountains Section. Fire regime group I (low & mixed severity, 0- 35 yrs) and III (low & mixed severity, 35 -200 yrs) were assigned to nearly 198,000 ha, primarily in the Ridge and Valley Section and one subsection within the Allegheny Mountains Section. The resultant maps are intended to identify fire-adapted systems for land management purposes. These systems likely will require active silviculture using fire and/or fire surrogates for their maintenance or restoration. The transparent rule-based procedure can be easily modified and, as such, possesses the flexibility for application to other ecosystems with similar spatial databases. S3.
General Technical Report Nrs
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Author :
language : en
Publisher:
Release Date : 2007
General Technical Report Nrs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Forests and forestry categories.
Seed Bank Response To Prescribed Fire In The Central Appalachians
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Author :
language : en
Publisher:
Release Date : 2010
Seed Bank Response To Prescribed Fire In The Central Appalachians written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Prescribed burning categories.
Pre- and post-treatment seed-bank characteristics of woody species were compared after two prescribed fires in a mesic mixed-oak forest in the central Appalachians. Nineteen woody species were identified from soil samples. Mean species richness declined but evenness did not after prescribed burning. The seed bank was dominated by black birch, yellow-poplar, blackberry, grapevine and Hercules club before burning. Following burning, the median density of seed bank propagules declined by 45 percent. Black birch, yellow-poplar, and grapevine declined by 69, 56, and 40 percent, respectively. The results illustrate the importance of the seed bank as a robust source of non-oak regeneration in mixed-oak forests and of the potential effect of fire altering it.
Canadian Journal Of Forest Research
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Author :
language : en
Publisher:
Release Date : 2011
Canadian Journal Of Forest Research 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 Forests and forestry categories.
Federal Wildland Fire Management
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Author : DIANE Publishing Company
language : en
Publisher: DIANE Publishing
Release Date : 1997-08
Federal Wildland Fire Management written by DIANE Publishing Company and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-08 with categories.
Managing wildland fire in the U.S. is a challenge increasing in complexity & magnitude. The goals & actions presented in this report encourage a proactive approach to wildland fire to reduce its threat. Five major topic areas on the subject are addressed: the role of wildland fire in resource management; the use of wildland fire; preparedness & suppression; wildland/urban interface protection; & coordinated program management. Also presented are the guiding principle that are fundamental to wildland fire management & recommendations for fire management policies. Photos, graphs, & references.
Forest And Rangeland Soils Of The United States Under Changing Conditions
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Author : Richard V. Pouyat
language : en
Publisher: Springer Nature
Release Date : 2020-09-02
Forest And Rangeland Soils Of The United States Under Changing Conditions written by Richard V. Pouyat and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-02 with Science categories.
This open access book synthesizes leading-edge science and management information about forest and rangeland soils of the United States. It offers ways to better understand changing conditions and their impacts on soils, and explores directions that positively affect the future of forest and rangeland soil health. This book outlines soil processes and identifies the research needed to manage forest and rangeland soils in the United States. Chapters give an overview of the state of forest and rangeland soils research in the Nation, including multi-decadal programs (chapter 1), then summarizes various human-caused and natural impacts and their effects on soil carbon, hydrology, biogeochemistry, and biological diversity (chapters 2–5). Other chapters look at the effects of changing conditions on forest soils in wetland and urban settings (chapters 6–7). Impacts include: climate change, severe wildfires, invasive species, pests and diseases, pollution, and land use change. Chapter 8 considers approaches to maintaining or regaining forest and rangeland soil health in the face of these varied impacts. Mapping, monitoring, and data sharing are discussed in chapter 9 as ways to leverage scientific and human resources to address soil health at scales from the landscape to the individual parcel (monitoring networks, data sharing Web sites, and educational soils-centered programs are tabulated in appendix B). Chapter 10 highlights opportunities for deepening our understanding of soils and for sustaining long-term ecosystem health and appendix C summarizes research needs. Nine regional summaries (appendix A) offer a more detailed look at forest and rangeland soils in the United States and its Affiliates.
Natural Disturbances And Historic Range Of Variation
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Author : Cathryn H. Greenberg
language : en
Publisher: Springer
Release Date : 2015-10-26
Natural Disturbances And Historic Range Of Variation written by Cathryn H. Greenberg and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-10-26 with Nature categories.
This book discusses the historic range of variation (HRV) in the types, frequencies, severities and scales of natural disturbances, and explores how they create heterogeneous structure within upland hardwood forests of the Central Hardwood Region (CHR). The book was written in response to a 2012 forest planning rule which requires that national forests to be managed to sustain ‘ecological integrity’ and within the ‘natural range of variation’ of natural disturbances and vegetation structure. Synthesizing information on HRV of natural disturbance types, and their impacts on forest structure, has been identified as a top need.
Collaborative Resilience
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Author : Bruce Evan Goldstein
language : en
Publisher: MIT Press
Release Date : 2012
Collaborative Resilience written by Bruce Evan Goldstein and has been published by MIT Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Architecture categories.
This book examines a range of efforts to enhance resilience through collaboration, describing communities that have survived and even thrived by building trust and interdependence. A resilient system is not just discovered through good science; it emerges as a community debates and defines ecological and social features of the system and appropriate scales of activity. Poised between collaborative practice and resilience analysis, collaborative resilience is both a process and an outcome of collective engagement with social-ecological complexity.
Oak Symposium
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Author :
language : en
Publisher:
Release Date : 1971
Oak Symposium written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Oak categories.
Endangered Ecosystems Of The United States
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Author : Reed F. Noss
language : en
Publisher:
Release Date : 1995
Endangered Ecosystems Of The United States written by Reed F. Noss and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Biodiversity categories.