Desert Algae Soil Crusts And Diaphanous Substrata As Algal Habitats PDF Download
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Author | : Roy E. Cameron |
Publisher | : |
Total Pages | : 56 |
Release | : 1966 |
Genre | : Desert ecology |
ISBN | : |
Download Desert Algae: Soil Crusts and Diaphanous Substrata as Algal Habitats Book in PDF, ePub and Kindle
Author | : Bettina Weber |
Publisher | : Springer |
Total Pages | : 540 |
Release | : 2016-05-21 |
Genre | : Nature |
ISBN | : 3319302140 |
Download Biological Soil Crusts: An Organizing Principle in Drylands Book in PDF, ePub and Kindle
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.
Author | : Jayne Belnap |
Publisher | : Springer Science & Business Media |
Total Pages | : 496 |
Release | : 2013-12-01 |
Genre | : Science |
ISBN | : 3642564755 |
Download Biological Soil Crusts: Structure, Function, and Management Book in PDF, ePub and Kindle
In arid lands, where vegetation is sparse or absent, the open ground is not bare but generally covered by a community of small, highly specialized organisms. Cyanobacteria, algae, microfungi, lichens, and bryophytes aggregate soil particles to form a coherent skin - the biological soil crust. It stabilizes and protects the soil surface from erosion by wind and water, influences water runoff and infiltration, and contributes nitrogen and carbon to desert soils. Soil surface disturbance, such as heavy livestock grazing, human trampling or off-road vehicles, breaks up the fragile soil crust, thus compromising its stability, structure, and productivity. This book is the first synthesis of the biology of soil crusts and their importance as an ecosystem component. Composition and functioning of different soil-crust types are discussed, and case studies are used to show the impact of crusts on landscape hydrology, soil stability, nutrient cycles, and land management.
Author | : William Hewitt Thomas |
Publisher | : |
Total Pages | : 806 |
Release | : 1983 |
Genre | : Algae |
ISBN | : |
Download Algae from the Arid Southwestern United States Book in PDF, ePub and Kindle
This report is a bibliography of papers pertaining to algae found in the arid southwestern United States. Also included are some related papers that pertain to the habitats where the algae occur. Following each reference is an annotation describing the contents of the paper. The annotation, in most cases, consists of the author's abstract. Sometimes we have written an abstract, particularly for long review papers and books. The report is organized by state (California, Nevada, Utah, etc.) and papers on algae are separated from related papers on their habitat. Keywords are included for each paper and the bibliography is set up on microcomputer disk for searching by these keywords.
Author | : Joseph Seckbach |
Publisher | : Springer Science & Business Media |
Total Pages | : 786 |
Release | : 2007-09-18 |
Genre | : Science |
ISBN | : 1402061129 |
Download Algae and Cyanobacteria in Extreme Environments Book in PDF, ePub and Kindle
This collection of essays is devoted to algae that are unexpectedly found in harsh habitats. The authors explain how these algae thrive in various temperature ranges, extreme pH values, salt solutions, UV radiation, dryness, heavy metals, anaerobic niches, various levels of illumination, and hydrostatic pressure. Not only do the essays provide clues about life on the edges of the Earth, but possibly elsewhere in the universe as well.
Author | : Jet Propulsion Laboratory (U.S.) |
Publisher | : |
Total Pages | : 52 |
Release | : 1966 |
Genre | : Jet propulsion |
ISBN | : |
Download Technical Report - Jet Propulsion Laboratory, California Institute of Technology Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1128 |
Release | : 1949 |
Genre | : Geology |
ISBN | : |
Download Geological Survey Bulletin Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1126 |
Release | : 1966 |
Genre | : Geology |
ISBN | : |
Download Bibliography of North American Geology Book in PDF, ePub and Kindle
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author | : |
Publisher | : |
Total Pages | : 1492 |
Release | : 1966 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : P.T. Tueller |
Publisher | : Springer Science & Business Media |
Total Pages | : 637 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9400930852 |
Download Vegetation science applications for rangeland analysis and management Book in PDF, ePub and Kindle
Natural grasslands, pastures and meadows are among the vegetation types most frequently investigated with phytosociological methods. This was one of the reasons why volume 13, Application of vegetation science to grassland husbandry and agriculture, edited by W. Krause, appeared as one of the first volumes of this handbook. It appeared under the chief editorship of Prof. R. Tiixen and in his time main emphasis of the handbook was placed on Ziirich-Montpellier methods and the European vegetation. When we redesigned the handbook we felt the need to include other methods and aims of grassland analyses as well as a more global coverage of grasslands. Especially the natural dry and semidry areas of the world needed to be covered. was very fortunate in getting Prof. Tueller of the University of Reno I Nevada as an editor for this volume. He and the colleagues he motivated to compile volume 14 on Application of vegetation science to rangeland analysis and management have created a truly global coverage of the topics interesting for vegetation analyses in natural grasslands. Since volume 13 covered the problems of anthropogenically created grasslands, this topic was not expressly treated in order to avoid duplication. For the same reason no specific attempt was made to get more papers from Europe and the temperate forest region in general. The cooperation with Dr. Tueller has been very rewarding for me.