desert biology special topics on the physical and biological aspects of arid regions 002

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Desert Biology

Author : G. W. Brown
ISBN : 9781483216638
Genre : Science
File Size : 64. 58 MB
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Desert Biology: Special Topics on the Physical and Biological Aspects of Arid Regions, Volume II records the conditions and life in the arid regions of the world. This book discusses the hydrogeology of arid regions, desert soil surfaces and classes, and physical and vegetational aspects of the Sahara Desert. The Piman Indians of the Sonoran Desert, approach to the water relations of desert plants, desert arthropods, and aquatic environments of deserts are also considered. Other topics include the artificial changes in the hydrogeology of deserts, soils of individual world deserts, rainfall and water supply of desert plants, and ecological plant types in arid regions. The hydrature in true xerophytes, chloride accumulation in halophytes, and biological response to desert water conditions are likewise covered in this publication. This volume is recommended for researchers and specialists interested in the hot, dry regions of the planet.

Reference Services Review

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ISBN : UOM:39076000290671
Genre : Electronic journals
File Size : 63. 72 MB
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Arid And Semi Arid Geomorphology

Author : Andrew S. Goudie
ISBN : 9781107067165
Genre : Science
File Size : 79. 11 MB
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Based on four decades of research by Professor Andrew Goudie, this volume provides a state-of-the-art synthesis of our understanding of desert geomorphology. It presents a truly international perspective, with examples from all over the world. Extensively referenced and illustrated, it covers such topics as the importance of past climatic changes, the variability of different desert environments, rock breakdown, wind erosion and dust storm generation, sand dunes, fluvial and slope forms and processes, the role of the applied geomorphologist in desert development and conservation, and the Earth as an analogue for other planetary bodies. This book is destined to become the classic volume on arid and semi-arid geomorphology for advanced students and researchers in physical geography, geomorphology, Earth science, sedimentology, environmental science and archaeology.

Biological Soil Crusts An Organizing Principle In Drylands

Author : Bettina Weber
ISBN : 9783319302140
Genre : Nature
File Size : 78. 91 MB
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This volume summarizes our current understanding of biological soil crusts (biocrusts), which are omnipresent in dryland regions. Since they cover the soil surface, they influence, or even control, all surface exchange processes. Being one of the oldest terrestrial communities, biocrusts comprise a high diversity of cyanobacteria, algae, lichens and bryophytes together with uncounted bacteria, and fungi. The authors show that biocrusts are an integral part of dryland ecosystems, stabilizing soils, influencing plant germination and growth, and playing a key role in carbon, nitrogen and water cycling. Initial attempts have been made to use biocrusts as models in ecological theory. On the other hand, biocrusts are endangered by local disruptions and global change, highlighting the need for enhanced recovery methods. This book offers a comprehensive overview of the fascinating field of biocrust research, making it indispensable not only for scientists in this area, but also for land managers, policy makers, and anyone interested in the environment.

Desert Plants

Author : Kishan Gopal Ramawat
ISBN : 3642025501
Genre : Science
File Size : 24. 40 MB
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Deserts appear very fascinating during our short visits. However, the lives of plants and animals are very dif?cult under the harsh climatic conditions of high tempe- ture and scant water supply in deserts, sometimes associated with high concent- tions of salt. The editor of this book was born and brought up in the Great Indian Desert, and has spent much of his life studying the growth and metabolism of desert plants. It is very charming on a cool summer evening to sit at the top of a sand dune listening only to blowing air and nothing else. It has been my dream to prepare a volume on desert plants encompassing various aspects of desert plant biology. In this book, I have tried to present functional and useful aspects of the vegetation resources of deserts along with scienti?c input aimed at understanding and impr- ing the utility of these plants. The scant vegetation of deserts supports animal life and provides many useful medicines, timber and fuel wood for humans. Therefore, there are chapters devoted to medicinal plants (Chap. 1), halophytes (Chaps. 13, 14), and fruit plants (Chaps. 17, 20). Desert plants have a unique reproductive biology (Chaps. 9–11), well-adapted eco-physiological and anatomical charact- istics (Chap. 7), and specialised metabolism and survival abilities. These plants are dif?cult to propagate and pose many problems to researchers developing biote- nological approaches for their amelioration (Chaps. 18–20).

Subject Guide To Books In Print

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ISBN : UOM:39015053237916
Genre : Catalogs, Publishers'
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Cadillac Desert

Author : Marc Reisner
ISBN : 1440672822
Genre : Technology & Engineering
File Size : 83. 33 MB
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"The definitive work on the West's water crisis." --Newsweek The story of the American West is the story of a relentless quest for a precious resource: water. It is a tale of rivers diverted and dammed, of political corruption and intrigue, of billion-dollar battles over water rights, of ecological and economic disaster. In his landmark book, Cadillac Desert, Marc Reisner writes of the earliest settlers, lured by the promise of paradise, and of the ruthless tactics employed by Los Angeles politicians and business interests to ensure the city's growth. He documents the bitter rivalry between two government giants, the Bureau of Reclamation and the U.S. Army Corps of Engineers, in the competition to transform the West. Based on more than a decade of research, Cadillac Desert is a stunning expose and a dramatic, intriguing history of the creation of an Eden--an Eden that may only be a mirage. From the Trade Paperback edition.

Banded Vegetation Patterning In Arid And Semiarid Environments

Author : David J. Tongway
ISBN : 9781461302070
Genre : Science
File Size : 81. 35 MB
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Aerial photography has revealed the striking, widespread phenomenon of repeating patterns of vegetation in more arid areas of the world. Two interdependent phases, bands of dense and sparse vegetation, alternate in the landscape. This volume synthesizes half a century's accumulated knowledge of both theoretical and applied landscape function from a variety of these regions. It covers structure, dynamics, and methods of study, as well as disturbances to these landscapes and relevant management issues. Various chapters discuss the role of modeling in answering questions about the origins and complex processes of banded landscapes.

Global Biodiversity In A Changing Environment

Author : F.Stuart Chapin
ISBN : 9781461301578
Genre : Science
File Size : 78. 86 MB
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The scientific community has voiced two general concerns about the future of the earth. Firstly, climatologists and oceanographers have focused on the changes in our physical environment, ie climate, oceans, and air. And secondly, environmental biologists have addressed issues of conservation and the extinction of species. There is increasing evidence that these two broad concerns are intertwined and mutually dependent. Past changes in biodiversity have both responded to and caused changes in the earths environment. In its discussions of ten key terrestrial biomes and freshwater ecosystems, this volume uses our broad understanding of global environmental change to present the first comprehensive scenarios of biodiversity for the twenty-first century. Combining physical earth science with conservation biology, the book provides a starting-point for regional assessments on all scales. The book will be of interest to those concerned with guiding research on the changing environment of the earth and with planning future policy, especially in accordance with the Global Biodiversity Convention.

Global Deserts Outlook

Author : Exequiel Ezcurra
ISBN : 9280727222
Genre : Nature
File Size : 47. 87 MB
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The Global Deserts Outlook presents a panorama of the environmental status of the world's deserts: their location and extent, uniqueness and vulnerability, biodiversity and natural resources. The report provides a balanced picture of deserts as ecosystems which form a special part of the world's natural and cultural heritage, and not simply as land that is the end result of the process of desertification. Few places on earth contain a richer collection of natural adaptations to the environment. Readers are challenged to consider the development potential of deserts and their conservation needs, to explore what would be the most appropriate and sustainable livelihoods for people living in desert areas. Deserts do not have much water, but they do have other natural resources. The knowledge and technology exist to manage these resources sustainably; the challenge lies with determining and implementing appropriate actions for desirable long-term outcomes

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