Historical Range Of Variability For Forest Vegetation Of The National Forests Of The Colorado Front Range

Author : Gregory K. Dillon,Dennis H. Knight,Carolyn B. Meyer
Publisher : Unknown
Page : 85 pages
File Size : 52,5 Mb
Release : 2005
Category : Forest management
ISBN : MINN:31951D030012163

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Historic Range of Variability for Upland Vegetation in the Medicine Bow National Forest, Wyoming by Gregory K. Dillon,Dennis H. Knight,Carolyn B. Meyer Pdf

An approach for synthesizing the results of ecological research pertinent to land management is the analysis of the historic range of variability (HRV) for key ecosystem variables that are affected by management activities. This report provides an HRV analysis for the upland vegetation of the Medicine Bow National Forest in southeastern Wyoming. The variables include live tree density, dead tree (snag) density, canopy cover, abundance of coarse woody debris, species diversity, fire return intervals, the abundance of various diseases, the proportion of the landscape in different land cover types, and the degree of patchiness in the landscape. The variables were examined at the stand and landscape scales, using information available in the literature and USFS databases. High-elevation landscapes were considered separately from low-elevation landscapes. Much of the report pertains to forests dominated by lodgepole pine, subalpine fir, and Engelmann spruce at high elevations, and by ponderosa pine and aspen at lower elevations. We defined the HRV reference period for the MBNF as approximately 1600 to 1860.

Author : Carolyn B. Meyer,Dennis H. Knight,Gregory K. Dillon
Publisher : Unknown
Page : 108 pages
File Size : 51,7 Mb
Release : 2005
Category : Forest management
ISBN : MINN:31951D030012171

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Historic Range of Variability for Upland Vegetation in the Bighorn National Forest, Wyoming by Carolyn B. Meyer,Dennis H. Knight,Gregory K. Dillon Pdf

An approach for synthesizing the results of ecological research pertinent to land management is the analysis of the historic range of variability (HRV) for key ecosystem variables that are affected by management activities. This report provides an HRV analysis for the upland vegetation of the Bighorn National Forest in northcentral Wyoming. The variables include live tree density, dead tree (snag) density, canopy cover, abundance of coarse woody debris, species diversity, fire return intervals, the abundance of various diseases, the proportion of the landscape in different land cover types, and the degree of patchiness in the landscape. The variables were examined at the stand and landscape scales, using information available in the literature and USFS databases. High-elevation landscapes were considered separately from low-elevation landscapes. Much of the report pertains to forests dominated by lodge-pole pine, subalpine fir, and Engelmann spruce at high elevations, and by ponderosa pine, aspen, and Douglas-fir at lower elevations. We defined the HRV reference period for the BNF as approximately 1600 to 1890.

Author : John A. Wiens,Gregory D. Hayward,Hugh D, Safford,Catherine Giffen
Publisher : John Wiley & Sons
Page : 360 pages
File Size : 49,5 Mb
Release : 2012-09-04
Category : Science
ISBN : 9781444337938

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Historical Environmental Variation in Conservation and Natural Resource Management by John A. Wiens,Gregory D. Hayward,Hugh D, Safford,Catherine Giffen Pdf

In North America, concepts of Historical Range of Variability are being employed in land-management planning for properties of private organizations and multiple government agencies. The National Park Service, U.S. Fish & Wildlife Service, Bureau of Land Management, U.S. Forest Service, and The Nature Conservancy all include elements of historical ecology in their planning processes. Similar approaches are part of land management and conservation in Europe and Australia. Each of these user groups must struggle with the added complication of rapid climate change, rapid land-use change, and technical issues in order to employ historical ecology effectively. Historical Environmental Variation in Conservation and Natural Resource Management explores the utility of historical ecology in a management and conservation context and the development of concepts related to understanding future ranges of variability. It provides guidance and insights to all those entrusted with managing and conserving natural resources: land-use planners, ecologists, fire scientists, natural resource policy makers, conservation biologists, refuge and preserve managers, and field practitioners. The book will be particularly timely as science-based management is once again emphasized in United States federal land management and as an understanding of the potential effects of climate change becomes more widespread among resource managers. Additional resources for this book can be found at: www.wiley.com/go/wiens/historicalenvironmentalvariation.

Author : Thomas T. Veblen
Publisher : Unknown
Page : 156 pages
File Size : 50,7 Mb
Release : 2005
Category : Forest dynamics
ISBN : MINN:31951D026954886

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Historical Range of Variability for Forest Vegetation of the National Forests of the Colorado Front Range by Thomas T. Veblen Pdf

"The aim of this report is to assess current knowledge of the historical range of variability ... of forested ecosystems in the Arapaho and Roosevelt National Forests ... and in the Pike, San Isabel National Forests. ... These national forests comprise a large proportion of the public lands of the Colorado Front Range"--P. 7.

Author : Anonim
Publisher : Academic Press
Page : 5485 pages
File Size : 48,7 Mb
Release : 2013-02-05
Category : Nature
ISBN : 9780123847201

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Encyclopedia of Biodiversity by Anonim Pdf

The 7-volume Encyclopedia of Biodiversity, Second Edition maintains the reputation of the highly regarded original, presenting the most current information available in this globally crucial area of research and study. It brings together the dimensions of biodiversity and examines both the services it provides and the measures to protect it. Major themes of the work include the evolution of biodiversity, systems for classifying and defining biodiversity, ecological patterns and theories of biodiversity, and an assessment of contemporary patterns and trends in biodiversity. The science of biodiversity has become the science of our future. It is an interdisciplinary field spanning areas of both physical and life sciences. Our awareness of the loss of biodiversity has brought a long overdue appreciation of the magnitude of this loss and a determination to develop the tools to protect our future. Second edition includes over 100 new articles and 226 updated articles covering this multidisciplinary field— from evolution to habits to economics, in 7 volumes The editors of this edition are all well respected, instantly recognizable academics operating at the top of their respective fields in biodiversity research; readers can be assured that they are reading material that has been meticulously checked and reviewed by experts Approximately 1,800 figures and 350 tables complement the text, and more than 3,000 glossary entries explain key terms

Author : Dominick A. DellaSala,Chad Hanson
Publisher : Elsevier
Page : 452 pages
File Size : 45,6 Mb
Release : 2024-06-21
Category : Nature
ISBN : 9780443137914

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Mixed Severity Fires by Dominick A. DellaSala,Chad Hanson Pdf

The second edition of Mixed Severity Fires: Nature’s Phoenix focuses on wildfire as a keystone ecological process that has shaped plant and animal communities for over 400 million years. The book will describe the renewal process that follows wildfires in forests and chaparral ecosystems as "nature’s phoenix" by drawing from examples of wildfire effects in several regions of the world.In addition, the book will describe management and policies that have contributed to wildfire problems, including climate change and land-use practices incompatible with nature’s phoenix and what must happen to get to coexistence with wildfires that are not going away no matter how much we try to suppress or alter fire behavior. This second edition of Mixed Severity Fires: Nature’s Phoenix provides a comprehensive reference for documenting and synthesizing fire's ecological role. Comprehensive and complete reference on wildfire ecology that includes the latest science and citations Debunks debates on wildfire management that can be used by conservation groups and decision-makers to shift egregious wildfire policies Contains a broad synthesis of the ecology of mixed- and high-severity fires, covering such topics as vegetation, birds, mammals, insects, aquatics, and management actions

Author : Dominick A DellaSala,Chad T. Hanson
Publisher : Elsevier
Page : 450 pages
File Size : 45,5 Mb
Release : 2015-06-08
Category : Science
ISBN : 9780128027608

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The Ecological Importance of Mixed-Severity Fires by Dominick A DellaSala,Chad T. Hanson Pdf

The Ecological Importance of High-Severity Fires, presents information on the current paradigm shift in the way people think about wildfire and ecosystems. While much of the current forest management in fire-adapted ecosystems, especially forests, is focused on fire prevention and suppression, little has been reported on the ecological role of fire, and nothing has been presented on the importance of high-severity fire with regards to the maintenance of native biodiversity and fire-dependent ecosystems and species. This text fills that void, providing a comprehensive reference for documenting and synthesizing fire's ecological role. Offers the first reference written on mixed- and high-severity fires and their relevance for biodiversity Contains a broad synthesis of the ecology of mixed- and high-severity fires covering such topics as vegetation, birds, mammals, insects, aquatics, and management actions Explores the conservation vs. public controversy issues around megafires in a rapidly warming world

Author : Rajinder Peshin,Ashok K. Dhawan
Publisher : Springer Science & Business Media
Page : 688 pages
File Size : 52,6 Mb
Release : 2009-04-12
Category : Science
ISBN : 9781402089923

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Integrated Pest Management by Rajinder Peshin,Ashok K. Dhawan Pdf

The book ‘Silent Spring’ written by Rachel Carson in 1962, is considered the la- mark in changing the attitude of the scientists and the general public regarding the complete reliance on the synthetic pesticides for controlling the ravages caused by the pests in agriculture crops. For about ve decades, the Integrated Pest Mana- ment (IPM) is the accepted strategy for managing crop pests. IPM was practiced in Canet ̃ e Valley, Peru in 1950s, even before the term IPM was coined. Integrated Pest management: Innovation-Development Process, Volume 1, focuses on the recog- tion of the dysfunctional consequences of the pesticide use in agriculture, through researchanddevelopmentoftheIntegratedPest Managementinnovations. Thebook aims to update the information on the global scenario of IPM with respect to the use of pesticides, its dysfunctional consequences, and the concepts and advan- ments made in IPM systems. This book is intended as a text as well as reference material for use in teaching the advancements made in IPM. The book provides an interdisciplinary perspective of IPM by the forty-three experts from the eld of entomology, plant pathology, plant breeding, plant physiology, biochemistry, and extension education. The introductory chapter (Chapter 1) gives an overview of IPM initiatives in the developed and developing countries from Asia, Africa, Australia, Europe, Latin America and North America. IPM concepts, opportunities and challenges are d- cussed in Chapter 2.

Author : John Vankat
Publisher : Springer Science & Business Media
Page : 465 pages
File Size : 54,7 Mb
Release : 2013-05-27
Category : Science
ISBN : 9789400761490

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Vegetation Dynamics on the Mountains and Plateaus of the American Southwest by John Vankat Pdf

The book provides information essential for anyone interested in the ecology of the American Southwest, including land managers, environmental planners, conservationists, ecologists and students. It is unique in its coverage of the hows and whys of dynamics (changes) in the major types of vegetation occurring on southwestern mountains and plateaus. It explains the drivers and processes of change, describes historical changes and provides conceptual models that diagrammatically illustrate past, present, and potential future changes. All major types of vegetation are covered: spruce-fir, mixed conifer, and ponderosa pine forests, pinyon-juniper vegetation, subalpine-montane grassland, and Gambel oak and interior chaparral shrublands. The focus is on vegetation that is relatively undisturbed, i.e., in natural and near-natural condition, and how it responds to natural disturbances such as fire and drought, as well as to anthropogenic disturbances such as fire exclusion and invasive species

Author : Ellen Wohl
Publisher : University Press of Kansas
Page : 230 pages
File Size : 54,7 Mb
Release : 2016-11-21
Category : Nature
ISBN : 9780700623365

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Rhythms of Change in Rocky Mountain National Park by Ellen Wohl Pdf

To contemplate an alpine lake or a ribbon of white water twisting down the face of the Rocky Mountains is to appreciate the majesty of this block of bedrock thrust up from Earth's interior, weathering eons of nature's assaults. To learn what humans, in our brief lifespan, have done here is to acquire a sobering sense of our place in the natural world. Ellen Wohl's account of a year in the life of Rocky Mountain National Park reflects a lifelong interest in these rhythms and disruptions. Informed by a deep and intimate understanding of the landscape, her Rocky Mountain journal is a lyrical distillation of experience and knowledge that shows us the century-old national park as a microcosm of the natural world in the thrall of time and humanity. Conducting readers through the park's seasons, Wohl describes the processes that unfold over the ages as continents drift and mountain ranges rise, as glaciers carve the land and profound changes in the atmosphere alter the environment. Working on the landscape in a humbler way are beavers and elk, beetles and, not so humbly, humans, who tinker with natural rhythms in ways big and small, as obvious as logging, road building, and feedlot run-off, and as subtle in the short run as climate change. Along the way, we observe the effects of nature's more violent moments: flash floods that wash out roads and inflict damage downstream, high winds that flatten whole hillsides in minutes, wildfires that strip the woods in an instant or smolder all winter long. A work of quiet power, Rhythms of Change in Rocky Mountain National Park traces Wohl's year-long journey, deftly guiding us through the changing seasons of one of America's most awe-inspiring natural places in all its curiosity and wonder—and in its exposure to the larger forces inexorably altering the natural world.

Author : Anonim
Publisher : Elsevier
Page : 674 pages
File Size : 52,8 Mb
Release : 2015-06-18
Category : Science
ISBN : 9780444634122

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Principles and Dynamics of the Critical Zone by Anonim Pdf

Principles and Dynamics of the Critical Zone is an invaluable resource for undergraduate and graduate courses and an essential tool for researchers developing cutting-edge proposals. It provides a process-based description of the Critical Zone, a place that The National Research Council (2001) defines as the "heterogeneous, near surface environment in which complex interactions involving rock, soil, water, air, and living organisms regulate the natural habitat and determine the availability of life-sustaining resources." This text provides a summary of Critical Zone research and outcomes from the NSF funded Critical Zone Observatories, providing a process-based description of the Critical Zone in a wide range of environments with a specific focus on the important linkages that exist amongst the processes in each zone. This book will be useful to all scientists and students conducting research on the Critical Zone within and outside the Critical Zone Observatory Network, as well as scientists and students in the geosciences – atmosphere, geomorphology, geology and pedology. The first text to address the principles and concepts of the Critical Zone A comprehensive approach to the processes responsible for the development and structure of the Critical Zone in a number of environments An essential tool for undergraduate and graduate students, and researchers developing cutting-edge proposals

Author : Anonim
Publisher : Unknown
Page : 278 pages
File Size : 54,6 Mb
Release : 2003
Category : Electronic
ISBN : NWU:35556034587287

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Pike-San Isabel National Forest (N.F.), Trout-West Hazardous Fuels Reduction Project by Anonim Pdf

Author : Dominik Kulakowski
Publisher : Unknown
Page : 94 pages
File Size : 53,9 Mb
Release : 2006
Category : Forest management
ISBN : MINN:31951D02860164P

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Historical Range of Variability for Forest Vegetation of the Grand Mesa National Forest, Colorado by Dominik Kulakowski Pdf

Author : Ellen Wohl
Publisher : John Wiley & Sons
Page : 550 pages
File Size : 49,5 Mb
Release : 2020-02-10
Category : Science
ISBN : 9781119535416

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Rivers in the Landscape by Ellen Wohl Pdf

Rivers are the great shapers of terrestrial landscapes. Very few points on Earth above sea level do not lie within a drainage basin. Even points distant from the nearest channel are likely to be influenced by that channel. Tectonic uplift raises rock thousands of meters above sea level. Precipitation falling on the uplifted terrain concentrates into channels that carry sediment downward to the oceans and influence the steepness of adjacent hill slopes by governing the rate at which the landscape incises. Rivers migrate laterally across lowlands, creating a complex topography of terraces, floodplain wetlands and channels. Subtle differences in elevation, grain size, and soil moisture across this topography control the movement of ground water and the distribution of plants and animals. Rivers in the Landscape, Second Edition, emphasizes general principles and conceptual models, as well as concrete examples of each topic drawn from the extensive literature on river process and form. The book is suitable for use as a course text or a general reference on rivers. Aimed at advanced undergraduate students, graduate students, and professionals looking for a concise summary of physical aspects of rivers, Rivers in the Landscape is designed to: emphasize the connectivity between rivers and the greater landscape by explicitly considering the interactions between rivers and tectonics, climate, biota, and human activities; provide a concise summary of the current state of knowledge for physical process and form in rivers; reflect the diversity of river environments, from mountainous, headwater channels to large, lowland, floodplain rivers and from the arctic to the tropics; reflect the diverse methods that scientists use to characterize and understand river process and form, including remote sensing, field measurements, physical experiments, and numerical simulations; reflect the increasing emphasis on quantification in fluvial geomorphology and the study of Earth surfaces in general; provide both an introduction to the classic, foundational papers on each topic, and a guide to the latest, particularly insightful and integrative references.

Author : Anonim
Publisher : Unknown
Page : 100 pages
File Size : 42,6 Mb
Release : 1998
Category : Forests and forestry
ISBN : UOM:39015072685996

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General Technical Report RMRS by Anonim Pdf