Packrat Middens

Packrat Middens Author Julio L. Betancourt
ISBN-10 0816511152
Release 1990
Pages 467
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Over the past thirty years, late Quaternary environments in the arid interior of western North America have been revealed by a unique source of fossils: well-preserved fragments of plants and animals accumulated locally by packrats and quite often encased, amberlike, in large masses of crystallized urine. These packrat middens are ubiquitous in caves and rock crevices throughout the arid West, where they can lie preserved for tens of thousands of years. More than a thousand of these deposits have been dated and analyzed, and middens have supplanted pollen records as a touchstone for studying vegetation dynamics and climatic change in radiocarbon time (the last 40,000 years). Now, similar deposits made by other mammals like hyraxes are being reported from other parts of the world. This book brings together the most recent findings and views of many of the researchers now investigating fossil middens in the United States, Mexico, Africa, the Middle East, and Australia. The contributions serve to open a forum for methodological concerns, update the fossil record of various geographic regions, introduce new applications, and display the vast potential for fossil midden analysis in arid regions worldwide. The findings presented here will serve to foster regional research and to promote general studies devoted to global climate change. Included in the text are more than two hundred charts, photographs, and maps.



Pollen Analysis of Packrat Middens from Organ Pipe Cactus National Monument

Pollen Analysis of Packrat Middens from Organ Pipe Cactus National Monument Author Owen K. Davis
ISBN-10 OCLC:70149644
Release 1986
Pages 68
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Pollen Analysis of Packrat Middens from Organ Pipe Cactus National Monument has been writing in one form or another for most of life. You can find so many inspiration from Pollen Analysis of Packrat Middens from Organ Pipe Cactus National Monument also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Pollen Analysis of Packrat Middens from Organ Pipe Cactus National Monument book for free.



Pleistocene Packrat Middens from the Lower Grand Canyon of Arizona

Pleistocene Packrat Middens from the Lower Grand Canyon of Arizona Author Arthur Morton Phillips
ISBN-10 OCLC:809708590
Release 1974
Pages 117119
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Pleistocene Packrat Middens from the Lower Grand Canyon of Arizona has been writing in one form or another for most of life. You can find so many inspiration from Pleistocene Packrat Middens from the Lower Grand Canyon of Arizona also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Pleistocene Packrat Middens from the Lower Grand Canyon of Arizona book for free.



The Colorado Plateau

The Colorado Plateau Author Charles Van Riper
ISBN-10 0816524084
Release 2004-01-01
Pages 279
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Stretching from the four corners of Arizona, New Mexico, Colorado, and Utah, the Colorado Plateau is a natural laboratory for a wide range of studies. This volume presents 23 original articles drawn from more than 100 research projects presented at the Sixth Biennial Conference of Research on the Colorado Plateau. This scientific gathering revolved around research, inventory, and monitoring of lands in the region. The book's contents cover management techniques for cultural, biological, and physical resources, representing collaborative efforts among federal, university, and private sector scientists and land managers. Chapters on cultural concerns cover benchmarks of modern southwestern anthropological knowledge, models of past human activity and impact of modern visitation at newly established national monuments, challenges in implementing the 1964 Wilderness Act, and opportunities for increased federal research on Native American lands. The section on biological resources comprises sixteen chapters, with coverage that ranges from mammalian biogeography to responses of elk at the urban-wildland interface. Additional biological studies include the effects of fire and grazing on vegetation; research on bald eagles at Grand Canyon and tracking wild turkeys using radio collars; and management of palentological resources. Two final chapters on physical resources consider a proposed rerouting of the Rio de Flag River in urban Flagstaff, Arizona, and an examination of past climate patterns over the Plateau, using stream flow records and tree ring data. In light of similarities in habitat and climate across the Colorado Plateau, techniques useful to particular management units have been found to be applicable in many locations. This volume highlights an abundance of research that will prove useful for all of those working in the region, as well as for others seeking comparative studies that integrate research into land management actions.



Relicts of a Beautiful Sea

Relicts of a Beautiful Sea Author Christopher Norment
ISBN-10 9781469618678
Release 2014-09-29
Pages 288
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Along a tiny spring in a narrow canyon near Death Valley, seemingly against all odds, an Inyo Mountain slender salamander makes its home. "The desert," writes conservation biologist Christopher Norment, "is defined by the absence of water, and yet in the desert there is water enough, if you live properly." Relicts of a Beautiful Sea explores the existence of rare, unexpected, and sublime desert creatures such as the black toad and four pupfishes unique to the desert West. All are anomalies: amphibians and fish, dependent upon aquatic habitats, yet living in one of the driest places on earth, where precipitation averages less than four inches per year. In this climate of extremes, beset by conflicts over water rights, each species illustrates the work of natural selection and the importance of conservation. This is also a story of persistence--for as much as ten million years--amid the changing landscape of western North America. By telling the story of these creatures, Norment illustrates the beauty of evolution and explores ethical and practical issues of conservation: what is a four-inch-long salamander worth, hidden away in the heat-blasted canyons of the Inyo Mountains, and what would the cost of its extinction be? What is any lonely and besieged species worth, and why should we care?



The Holocene

The Holocene Author Neil Roberts
ISBN-10 9781118712559
Release 2013-11-26
Pages 376
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The Holocene provides students, researchers and lay-readers with the remarkable story of how the natural world has been transformed since the end of the last Ice Age around 15,000 years ago. This period has witnessed a shift from environmental changes determined by natural forces to those dominated by human actions, including those of climate and greenhouse gases. Understanding the environmental changes - both natural and anthropogenic - that have occurred during the Holocene is of crucial importance if we are to achieve a sustainable environmental future. Revised and updated to take full account of the most recent advances, the third edition of this classic text includes substantial material on the scientific methods that are used to reconstruct and date past environments, as well as new concepts such as the Anthropocene. The book is fully-illustrated, global in coverage, and contains case studies, a glossary and more than 500 new references.



The Weather Almanac

The Weather Almanac Author Steven L. Horstmeyer
ISBN-10 1118015207
Release 2011-09-23
Pages 896
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The Weather Almanac, 12th Edition is a resource for a variety of climate and meteorological data including both domestic and international weather trends, historical weather patterns dating back 1000 years, natural disasters, and a 20 page glossary of weather terminology. The book is complete with detailed maps, pictures, and tables compiling climate data from a variety of sources, including the National Weather Service and the US Geological Survey. Separate sections in The Weather Almanac are devoted to tornadoes, hurricanes, thunderstorms, and lightening, flash floods, and winter storms, and they have been edited from official reports by governmental agencies. The new edition has been updated to include recent disasters such as the 2004 Indian Ocean Tsunami that devastated Indonesia as well as 2005’s Hurricane Katrina. These chapters serve as a basic reference for severe weather and extreme conditions, which can assist in preparing for a weather emergency.



Ecology and Biogeography of Pinus

Ecology and Biogeography of Pinus Author David M. Richardson
ISBN-10 0521789109
Release 2000-07-31
Pages 527
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A comprehensive review essential for all involved in the management of natural and planted pine forests.



The Way the Wind Blows

The Way the Wind Blows Author Roderick J. McIntosh
ISBN-10 9780231505789
Release 2000-08-24
Pages 448
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Scientists and policymakers are beginning to understand in ever-increasing detail that environmental problems cannot be understood solely through the biophysical sciences. Environmental issues are fundamentally human issues and must be set in the context of social, political, cultural, and economic knowledge. The need both to understand how human beings in the past responded to climatic and other environmental changes and to synthesize the implications of these historical patterns for present-day sustainability spurred a conference of the world's leading scholars on the topic. The Way the Wind Blows is the rich result of that conference. Articles discuss the dynamics of climate, human perceptions of and responses to the environment, and issues of sustainability and resiliency. These themes are illustrated through discussions of human societies around the world and throughout history.



The desert s past

The desert s past Author Donald K. Grayson
ISBN-10 UOM:39015029954909
Release 1993
Pages 356
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Traces the history of the Great Basin from twenty-five thousand years ago to the present, and looks at the area's natural history, archaelogy, and geology



Transactions of the San Diego Society of Natural History

Transactions of the San Diego Society of Natural History Author
ISBN-10 UCSD:31822008900359
Release 1985
Pages
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Transactions of the San Diego Society of Natural History has been writing in one form or another for most of life. You can find so many inspiration from Transactions of the San Diego Society of Natural History also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Transactions of the San Diego Society of Natural History book for free.



ICE AGE HIST SW NATL PARKS PB

ICE AGE HIST SW NATL PARKS PB Author ELIAS SA
ISBN-10 UOM:39015040683917
Release 1997-02-17
Pages 200
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Recreating the past landscape and life forms of the Southwest, this guidebook examines a pivotal period in the ecological history of five southwestern national parks -- Canyonlands, Grand Canyon, Chaco Canyon, Mesa Verde, and Big Bend -- recounting as well the coming of humans to the region and the ascendance of the ecosystems we see today.



Hydrologic Sciences

Hydrologic Sciences Author Proceedings of the 1997 Abel Wolman Distinguished Lecture and Symposium on the Hydrologic Sciences
ISBN-10 9780309522120
Release 1998-11-25
Pages 130
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Hydrologic science, an important, interdisciplinary science dealing with the occurrence, distribution, and properties of water on Earth, is key to understanding and resolving many contemporary, large-scale environmental issues. The Water Science and Technology Board used the opportunity of its 1997 Abel Wolman Distinguished Lecture to assess the vitality of the hydrologic sciences by the hydrologic community. The format included focus by lecturer Thomas Dunne on the intellectual vitality of the hydrologic sciences, followed by a symposium featuring several invited papers and discussions. Hydrologic Sciences is a compilation of the Wolman Lecture and the papers, preceded by a summarizing overview. The volume stresses a number of needs for furtherance of hydrologic science, including development of a coherent body of transferable theory and an intellectual center for the science, communication across multiple geo- and environmental science disciplines, appropriate measurements and observations, and provision of central guidance for the field.



Hydrologic Sciences

Hydrologic Sciences Author Water Science and Technology Board
ISBN-10 9780309060769
Release 1998-11-11
Pages 152
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Hydrologic science, an important, interdisciplinary science dealing with the occurrence, distribution, and properties of water on Earth, is key to understanding and resolving many contemporary, large-scale environmental issues. The Water Science and Technology Board used the opportunity of its 1997 Abel Wolman Distinguished Lecture to assess the vitality of the hydrologic sciences by the hydrologic community. The format included focus by lecturer Thomas Dunne on the intellectual vitality of the hydrologic sciences, followed by a symposium featuring several invited papers and discussions. Hydrologic Sciences is a compilation of the Wolman Lecture and the papers, preceded by a summarizing overview. The volume stresses a number of needs for furtherance of hydrologic science, including development of a coherent body of transferable theory and an intellectual center for the science, communication across multiple geo- and environmental science disciplines, appropriate measurements and observations, and provision of central guidance for the field.



Death Valley and the Northern Mojave

Death Valley and the Northern Mojave Author William C. Tweed
ISBN-10 STANFORD:36105121825116
Release 2003-01-01
Pages 196
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"Fully illustrated (245 photos) color travel guide to Death Valley National Park and surrounding region known as the Northern Mojave, includes maps, index, bibliography, interpretive chapters."



Contributions Series American Association of Stratigraphic Palynologists

Contributions Series   American Association of Stratigraphic Palynologists Author
ISBN-10 CORNELL:31924058274147
Release 1985
Pages
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Contributions Series American Association of Stratigraphic Palynologists has been writing in one form or another for most of life. You can find so many inspiration from Contributions Series American Association of Stratigraphic Palynologists also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Contributions Series American Association of Stratigraphic Palynologists book for free.



Anthropological Papers of the American Museum of Natural History

Anthropological Papers of the American Museum of Natural History Author
ISBN-10 UCSC:32106007996231
Release 1983
Pages
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Anthropological Papers of the American Museum of Natural History has been writing in one form or another for most of life. You can find so many inspiration from Anthropological Papers of the American Museum of Natural History also informative, and entertaining. Click DOWNLOAD or Read Online button to get full Anthropological Papers of the American Museum of Natural History book for free.