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Author : Leslie A. Viereck,Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 28 pages
File Size : 54,8 Mb
Release : 1979
Category : Black spruce
ISBN : MINN:31951D02986296V
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 28 pages
File Size : 48,5 Mb
Release : 1974
Category : Forests and forestry
ISBN : IND:30000090083217
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 24 pages
File Size : 41,6 Mb
Release : 1973
Category : Forests and forestry
ISBN : UOM:39015012645118
Author : K. van Cleve,F.S.III. Chapin,P.W. Flanagan,L.A. Viereck,C.T. Dyrness
Publisher : Springer Science & Business Media
Page : 237 pages
File Size : 44,9 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461249023
The information presented in this book is the result of combined research efforts of scientists at the University of Alaska, Fairbanks, the Institute of Northern Forestry, USDA Forest Service, and the Systems Ecology Research Group, San Diego State University. The objective of the volume is to present a synthetic overview of structure and function of taiga forest ecosystems in interior Alaska. The data base for this work has appeared in earlier published articles including the special issue of the Canadian Journal of Forest Research Volume 13:5 (1983). Stimulus for this book was a conference held in Fairbanks from June 10-14, 1983. The papers presented at the conference were fore runners of the chapters in this book. We invited 19 scientists from North America and England to critique our research and synthesis efforts. Six of these people were asked to write introductory chapters for each section of the book. Formal presentation sessions, combined with field trips to research sites, introduced the invitees to the primary and secondary successional ecosystems with which we were dealing. A major wildfire, only 24 km from the University campus, was contained the week prior to the conference and one field trip provided graphic evidence of fire impact in subarctic forests. The conference conveners regretted that it was not possible to host a similar meeting during synthesis efforts in mid-January.
Author : Anonim
Publisher : Unknown
Page : 1112 pages
File Size : 46,7 Mb
Release : 1980
Category : Government publications
ISBN : UIUC:30112063912635
Author : C. T. Dyrness
Publisher : Unknown
Page : 20 pages
File Size : 41,6 Mb
Release : 1982
Category : Black spruce
ISBN : UIUC:30112104125353
Changes in depth to permafrost and soil temperature were investigated for 4 years after treatment of the forest floor on small plots by fire and mechanical removal of half the forest floor layer and the entire layer. Study site was in the Yukon-Tanana Uplands about 45 km north of Fairbanks.
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 372 pages
File Size : 52,7 Mb
Release : 1979
Category : Forests and forestry
ISBN : UOM:39015010046301
Author : Tina V. Boucher
Publisher : Unknown
Page : 68 pages
File Size : 40,6 Mb
Release : 2003
Category : Plant communities
ISBN : MINN:31951D02977791M
Between 1977 and 1997, 4000 ha were burned to promote regeneration of tree and shrub species used for browse by moose (Alces alces) in the Kenai Mountains. Species composition was documented along burned and unburned transects at 17 prescribed burn sites. Relationships among initial vegetation composition, physical site characteristics, browse species abundance, and competitive herbaceous vegetation were examined to determine controls on browse species regeneration after prescribed burning. Browse species abundance after burning was inversely related to Calamagrostis canadensis Michx. Beauv. (bluejoint reedgrass) abundance prior to burning. Calamagrostis canadensis abundance was related to specific landscape characteristics. Depositional slopes, such as fluvial valley bottoms and toe slopes, often featured soils with deep, loamy surface horizons. Sites with these characteristics generally showed large increases in C. canadensis cover after prescribed burning, even when C. canadensis was a low percentage (3 percent) of the canopy cover prior to burning. The most important preburn variables for predicting postburn browse species abundance were preburn C. canadensis cover and the type of surficial deposit. Site conditions that are favorable to C. canadensis may be problematic for successful regeneration of browse species, especially if browse species are not present in the initial composition.
Author : Robert Edwin Stewart
Publisher : Unknown
Page : 362 pages
File Size : 43,8 Mb
Release : 1977
Category : Electronic
ISBN : STANFORD:36105119572225
Author : Anonim
Publisher : Unknown
Page : 92 pages
File Size : 41,5 Mb
Release : 1981
Category : Forests and forestry
ISBN : UCBK:C044530953
Author : Anonim
Publisher : Unknown
Page : 372 pages
File Size : 40,5 Mb
Release : 1978
Category : Forests and forestry
ISBN : UCBK:C077340040
Author : Ajith Perera,Lisa Buse
Publisher : John Wiley & Sons
Page : 280 pages
File Size : 40,7 Mb
Release : 2014-07-21
Category : Science
ISBN : 9781118870587
Large and intense wildfires are integral to the globally important boreal forest biome. While much is known about boreal wildfires, the focus on forest remnants that either escape or survive these intense fires is a recent phenomenon: academics now study ecological processes of wildfire residuals, forest policymakers use their patterns to design harvest strategies, forest managers consider their economic value, and conservationists recognize their intrinsic ecological importance. Ecology of Wildfire Residuals in Boreal Forests is the first book to explore ecological patterns and processes of what does not burn within boreal wildfires. Following a brief introduction to the boreal forest biome, it discusses the processes that form wildfire residuals; how they are studied, with various approaches and methods; the types, extent, and ecological functions of wildfire residuals; and their role in forest management applications, all in the context of ecological scale. This book is a reference for researchers and graduate students studying boreal forest ecology, as well as for policymakers and forest managers. It adopts a non-reductionist perspective that will be of interest to scientists from conservation science, forest ecology, forest management, and timber production. Brings together fire behaviour, ecological scale, vegetation ecology, and conservation biology to provide a cross disciplinary, multi-scale, and an integrative discussion of forest fire residuals Captures the state of knowledge with a meta-analysis of research trends during the past few decades, with a comprehensive review of the literature, a compilation of key references, and a list of key topics relevant to the study of boreal wildfire residuals Identifies the major gaps and uncertainties in the present body of knowledge, including a critique of study techniques and reporting practices to date, and proposes a set of terms and definitions and a list of research questions and priorities Includes the authors’ observations and research experience from boreal Canada, and information extracted from interactions with North American and European ecologists, forest managers, and conservationists
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1220 pages
File Size : 52,6 Mb
Release : 1968
Category : Government publications
ISBN : UCR:31210024274720
Author : Anonim
Publisher : Unknown
Page : 968 pages
File Size : 52,8 Mb
Release : 2024-06-28
Category : Government publications
ISBN : WISC:89117117176
Author : Herman H. Shugart,Rik Leemans,Gordon B. Bonan
Publisher : Cambridge University Press
Page : 584 pages
File Size : 49,6 Mb
Release : 2005-03-07
Category : Nature
ISBN : 0521619734
The world's boreal forests, which lie to the south of the Arctic, are considered to be the Earth's most significant terrestrial ecosystems. A panel of ecologists here provide a synthesis of the important patterns and processes which occur in boreal forests and review the principal mechanisms which control the forest's patterns.
