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Author : John Bernhard Leiberg
Publisher : Unknown
Page : 194 pages
File Size : 41,5 Mb
Release : 1902
Category : Forests and forestry
ISBN : LCCN:03026604
Author : John Bernhard Leiberg
Publisher : Unknown
Page : 234 pages
File Size : 54,6 Mb
Release : 1902
Category : Forests and forestry
ISBN : HARVARD:32044102886140
Author : John B. Leiberg
Publisher : Unknown
Page : 194 pages
File Size : 45,6 Mb
Release : 1902
Category : Electronic
ISBN : OCLC:457965821
Author : John B. Leiberg
Publisher : Forgotten Books
Page : 214 pages
File Size : 52,7 Mb
Release : 2017-07-11
Category : Science
ISBN : 0282899170
Excerpt from Forest Conditions in the Northern Sierra Nevada, California The area of high relief of the region may be considered as consisting primarily of the main range of the Sierra Nevada, a secondary chain of mountains to the east of it paralleling it at distances varying from 10 to 20 miles. From these ranges proceed in all directions a multitude of ridges, which together constitute the mountain system of the region. The main uplift of the Sierra is a continuous northwest-southeast range, and forms the geographic divide throughout most of the region. In the northern part of the Downieville quadrangle it is cut through by the Middle Fork of Feather River. Which heads in the eastern range. The summit of the Sierra varies in elevation; most of it rarely falls below feet. South of Donner Pass numerous peaks rise to altitudes of over feet, while Mount Lola reaches an elevation of feet. The eastern slope of the range is generally short and abrupt; its western slope is longer and has a more gradual descent. The Sierra has been subjected to glaciation in all portions above feet, and abounds in rocky and bowlder-strewn slopes, narrow summits, semicircular glacial basins, and tracts of bare rock from which all soil has been swept away. None of its peaks rise above timber line, although Castle Peak, at an elevation of feet, has a narrow line of perpetual snow on its northeastern slopes, and the higher peaks south of Donner Pass usually hold banks of snow throughout the summer on northern slopes in the lee of projecting combs. 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 : John Bernhard Leiberg
Publisher : Unknown
Page : 232 pages
File Size : 54,9 Mb
Release : 1902
Category : Forests and forestry
ISBN : UOM:39015082324198
Author : John Bernhard Leiberg
Publisher : Unknown
Page : 240 pages
File Size : 50,8 Mb
Release : 2019-08-14
Category : History
ISBN : 0371195934
This is a reproduction of the original artefact. Generally these books are created from careful scans of the original. This allows us to preserve the book accurately and present it in the way the author intended. Since the original versions are generally quite old, there may occasionally be certain imperfections within these reproductions. We're happy to make these classics available again for future generations to enjoy!
Author : National Agricultural Library (U.S.)
Publisher : Unknown
Page : 308 pages
File Size : 54,5 Mb
Release : 1912
Category : Forests and forestry
ISBN : UOM:39015013573111
Author : Anonim
Publisher : Unknown
Page : 368 pages
File Size : 44,5 Mb
Release : 2000
Category : Forest ecology
ISBN : UCD:31175024198957
Author : Anonim
Publisher : Unknown
Page : 622 pages
File Size : 51,7 Mb
Release : 2006
Category : Electronic
ISBN : NWU:35556036807733
Author : Michael Barbour,Todd Keeler-Wolf,Allan A. Schoenherr
Publisher : Univ of California Press
Page : 734 pages
File Size : 54,8 Mb
Release : 2007-07-17
Category : Science
ISBN : 9780520933361
This thoroughly revised, entirely rewritten edition of what is the essential reference on California’s diverse and ever-changing vegetation now brings readers the most authoritative, state-of-the-art view of California’s plant ecosystems available. Integrating decades of research, leading community ecologists and field botanists describe and classify California’s vegetation types, identify environmental factors that determine the distribution of vegetation types, analyze the role of disturbance regimes in vegetation dynamics, chronicle change due to human activities, identify conservation issues, describe restoration strategies, and prioritize directions for new research. Several new chapters address statewide issues such as the historic appearance and impact of introduced and invasive plants, the soils of California, and more.
Author : Anonim
Publisher : Unknown
Page : 354 pages
File Size : 54,5 Mb
Release : 2008
Category : Electronic
ISBN : NWU:35556036550879
Author : Harvey, Hartesveldt, Heath and Stanley, Inc
Publisher : Unknown
Page : 154 pages
File Size : 42,7 Mb
Release : 1975
Category : Natural history
ISBN : UCBK:C020611495
Author : David Beesley
Publisher : University of Nevada Press
Page : 448 pages
File Size : 50,9 Mb
Release : 2008-12-15
Category : History
ISBN : 9780874176346
John Muir called it the "Range of Light, the most divinely beautiful of all the mountain chains I’ve ever seen." The Sierra Nevada—a single unbroken mountain range stretching north to south over four hundred miles, best understood as a single ecosystem but embracing a number of environmental communities—has been the site of human activity for millennia. From the efforts of ancient Native Americans to encourage game animals by burning brush to create meadows to the burgeoning resort and residential development of the present, the Sierra has endured, and often suffered from, the efforts of humans to exploit its bountiful resources for their own benefit. Historian David Beesley examines the history of the Sierra Nevada from earliest times, beginning with a comprehensive discussion of the geologic development of the range and its various ecological communities. Using a wide range of sources, including the records of explorers and early settlers, scientific and government documents, and newspaper reports, Beesley offers a lively and informed account of the history, environmental challenges, and political controversies that lie behind the breathtaking scenery of the Sierra. Among the highlights are discussions of the impact of the Gold Rush and later mining efforts, as well as the supporting industries that mining spawned, including logging, grazing, water-resource development, market hunting, urbanization, and transportation; the politics and emotions surrounding the establishment of Yosemite and other state and national parks; the transformation of the Hetch Hetchy into a reservoir and the desertification of the once-lush Owens Valley; the roles of the Forest Service, Park Service, and other regulatory agencies; the consequences of the fateful commitment to wildfire suppression in Sierran forests; and the ever-growing impact of tourism and recreational use. Through Beesley’s wide-ranging discussion, John Muir’s "divinely beautiful" range is revealed in all its natural and economic complexity, a place that at the beginning of the twenty-first century is in grave danger of being loved to death. Available in hardcover and paperback.
Author : Harold Mooney,Erika Zavaleta
Publisher : Univ of California Press
Page : 1008 pages
File Size : 54,7 Mb
Release : 2016-01-19
Category : Nature
ISBN : 9780520962170
This long-anticipated reference and sourcebook for California’s remarkable ecological abundance provides an integrated assessment of each major ecosystem type—its distribution, structure, function, and management. A comprehensive synthesis of our knowledge about this biologically diverse state, Ecosystems of California covers the state from oceans to mountaintops using multiple lenses: past and present, flora and fauna, aquatic and terrestrial, natural and managed. Each chapter evaluates natural processes for a specific ecosystem, describes drivers of change, and discusses how that ecosystem may be altered in the future. This book also explores the drivers of California’s ecological patterns and the history of the state’s various ecosystems, outlining how the challenges of climate change and invasive species and opportunities for regulation and stewardship could potentially affect the state’s ecosystems. The text explicitly incorporates both human impacts and conservation and restoration efforts and shows how ecosystems support human well-being. Edited by two esteemed ecosystem ecologists and with overviews by leading experts on each ecosystem, this definitive work will be indispensable for natural resource management and conservation professionals as well as for undergraduate or graduate students of California’s environment and curious naturalists.
Author : Jan W. van Wagtendonk
Publisher : Univ of California Press
Page : 568 pages
File Size : 44,8 Mb
Release : 2018-06-08
Category : Science
ISBN : 9780520961913
Fire in California’s Ecosystems describes fire in detail—both as an integral natural process in the California landscape and as a growing threat to urban and suburban developments in the state. Written by many of the foremost authorities on the subject, this comprehensive volume is an ideal authoritative reference tool and the foremost synthesis of knowledge on the science, ecology, and management of fire in California. Part One introduces the basics of fire ecology, including overviews of historical fires, vegetation, climate, weather, fire as a physical and ecological process, and fire regimes, and reviews the interactions between fire and the physical, plant, and animal components of the environment. Part Two explores the history and ecology of fire in each of California's nine bioregions. Part Three examines fire management in California during Native American and post-Euro-American settlement and also current issues related to fire policy such as fuel management, watershed management, air quality, invasive plant species, at-risk species, climate change, social dynamics, and the future of fire management. This edition includes critical scientific and management updates and four new chapters on fire weather, fire regimes, climate change, and social dynamics.