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Bioprecipitation : a feedback cycle linking Earth history, ecosystem dynamics and land use through biological ice nucleators in the atmosphere
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 2289001
Author(s) Morris, Cindy E; Conen, Franz; Alex Huffman, J; Phillips, Vaughan; Pöschl, Ulrich; Sands, David C
Author(s) at UniBasel Conen, Franz
Year 2014
Title Bioprecipitation : a feedback cycle linking Earth history, ecosystem dynamics and land use through biological ice nucleators in the atmosphere
Journal Global change biology
Volume 20
Number 2
Pages / Article-Number 341-51
Keywords aerobiology, biological ice nucleation, cloud physics, ice multiplication, Pseudomonas syringae, rainfall
Abstract

Landscapes influence precipitation via the water vapor and energy fluxes they generate. Biologically active landscapes also generate aerosols containing microorganisms, some being capable of catalyzing ice formation and crystal growth in clouds at temperatures near 0 degrees C. The resulting precipitation is beneficial for the growth of plants and microorganisms. Mounting evidence from observations and numerical simulations support the plausibility of a bioprecipitation feedback cycle involving vegetated landscapes and the microorganisms they host. Furthermore, the evolutionary history of ice nucleation-active bacteria such as Pseudomonas syringae supports that they have been part of this process on geological time scales since the emergence of land plants. Elucidation of bioprecipitation feedbacks involving landscapes and their microflora could contribute to appraising the impact that modified landscapes have on regional weather and biodiversity, and to avoiding inadvertent, negative consequences of landscape management.

Publisher Blackwell Science
ISSN/ISBN 1354-1013
edoc-URL http://edoc.unibas.ch/dok/A6205565
Full Text on edoc No
Digital Object Identifier DOI 10.1111/gcb.12447
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/24399753
ISI-Number WOS:000329349700001
Document type (ISI) Journal Article
 
   

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23/04/2024