This volumesummarizes 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 theoldest terrestrial communities, biocrusts comprise a high diversity ofcyanobacteria, algae, lichens and bryophytes together with uncounted bacteria,fungi. The authors show that biocrusts are an integral part of desertecosystems, stabilizing soils, influencing plant germination and growth,and? playing a key role in carbon,nitrogen and water cycling. Though initial attempts have been made to use biocrustsas models in ecological theory, they are nonetheless endangered by localdisruptions and global change,?highlighting the need for enhanced recovery methods. This book offersa? comprehensive overview of thefascinating field of biocrust research, making it indispensable not only forscientists in this area, but also for land managers, policy makers, and anyoneinterested in the environment.
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