Jayne Belnap – författare
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3 produkter
3 produkter
Del 226 - Ecological Studies
Biological Soil Crusts: An Organizing Principle in Drylands
Inbunden, Engelska, 2016
2 992 kr
Skickas inom 10-15 vardagar
This volume summarizes our currentunderstanding of biological soil crusts (biocrusts), which are omnipresent indryland regions. Since they cover the soil surface, they influence, or evencontrol, all surface exchange processes. Being one of the oldest terrestrialcommunities, biocrusts comprise a high diversity of cyanobacteria, algae,lichens and bryophytes together with uncounted bacteria, and fungi. The authorsshow that biocrusts are an integral part of dryland ecosystems, stabilizingsoils, influencing plant germination and growth, and playing a key role incarbon, nitrogen and water cycling. Initial attempts have been made to usebiocrusts as models in ecological theory. On the other hand, biocrusts are endangeredby local disruptions and global change, highlighting the need for enhancedrecovery methods. This book offers a comprehensive overview of the fascinatingfield of biocrust research, making it indispensable not only for scientists inthis area, but also for land managers, policy makers, and anyone interested inthe environment.
Del 226 - Ecological Studies
Biological Soil Crusts: An Organizing Principle in Drylands
Häftad, Engelska, 2018
2 993 kr
Skickas inom 10-15 vardagar
This volume summarizes our currentunderstanding of biological soil crusts (biocrusts), which are omnipresent indryland regions. The authorsshow that biocrusts are an integral part of dryland ecosystems, stabilizingsoils, influencing plant germination and growth, and playing a key role incarbon, nitrogen and water cycling.
Häftad, Engelska, 2002
1 500 kr
Skickas inom 10-15 vardagar
In arid and semiarid lands throughout the world, where the cover of vegetation is sparse or absent,the open spaces between the higher plants are generally not bare of autotrophic life,but covered by a community of highly specialized organisms. This soil-surface community consists of cyanob- teria, algae, lichens, mosses, microfungi, and other bacteria in differing proportions. Cyanobacterial and microfungal filaments, rhizinae and rhi- morphs of lichens, and the rhizinae and protonemata of bryophytes weave throughout the top few millimeters of soil,gluing loose soil particles together. This forms a crust up to a few centimeters thick that stabilizes and protects soil surfaces from erosive forces (Cameron and Blank 1966; Friedmann and Galun 1974; Belnap and Gardner 1993).These crusts occur in all hot,cool,and cold-arid and semiarid regions of the world,and may constitute up to or more than 70% of the living cover. Biological soil crusts have only recently been recognized as having a major influence on terrestrial ecosystems.