Notes on Occurrence and Distribution of Lichens in South East Greenland PDF Download
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Author: Eric Steen Hansen
Publisher:
ISBN: 9788717252301
Category :
Languages : en
Pages : 0
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Author: Eric Steen Hansen
Publisher:
ISBN: 9788717252301
Category :
Languages : en
Pages : 0
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Author: Denmark. Kommissionen for videnskabelige undersøgelser i Grønland
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Author:
Publisher: Museum Tusculanum Press
ISBN: 9788763511513
Category :
Languages : en
Pages : 40
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Author: Eric Steen Hansen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher: Museum Tusculanum Press
ISBN: 9788763511827
Category :
Languages : en
Pages : 36
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Author:
Publisher: Museum Tusculanum Press
ISBN: 9788763511476
Category :
Languages : en
Pages : 88
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Author: Denmark. Kommissionen for videnskabelige undersøgelser i Grønland
Publisher:
ISBN:
Category :
Languages : en
Pages : 35
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Book Description
Author: Jayne Belnap
Publisher: Springer Science & Business Media
ISBN: 3642564755
Category : Science
Languages : en
Pages : 496
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Book Description
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: Kjeld Hansen
Publisher:
ISBN:
Category :
Languages : da
Pages : 84
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Author: Arne Thell
Publisher:
ISBN:
Category : Lichen-forming fungi
Languages : en
Pages : 524
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Book Description
This 100th anniversary volume of Bibliotheca Lichenologica, pays tribute to the diversity in lichenology. Multiple, cosmopolitan aspects of the research on lichens in its breadth are reflected in the large variety of subjects covered in 18 chapters by 37 authors from 13 countries. The chapters document recent developments in taxonomy, phytogenetic analyses, phylogenetic research, fl oristic studies and lichen ecology, and - again - a large number of newly described taxa, keys to the identifi cation of Usnea, and details of current analytical work. A personal review by Ingvar Kärnefelt of past and present contributors to lichenology. His biographical sketches provide a good measure of the multi-faceted nature of lichenology and of the expertise involved in its development, paying tribute to Bibliotheca Lichenologica's anniversary. The volume was carefully edited by three prominent and active members of the lichenological community, Arne Thell, University of Lund, Sweden, Mark R. D. Seaward, University of Bradford, United Kingdom, and Tassilo Feuerer, University of Hamburg, Germany.
