Arid
DOI10.1111/j.1365-2699.2011.02569.x
Modelling the effect of size on the aerial dispersal of microorganisms
Wilkinson, David M.1,2,3; Koumoutsaris, Symeon4; Mitchell, Edward A. D.2,3,5; Bey, Isabelle6
通讯作者Wilkinson, David M.
来源期刊JOURNAL OF BIOGEOGRAPHY
ISSN0305-0270
EISSN1365-2699
出版年2012
卷号39期号:1页码:89-97
英文摘要

Aim We investigate the long-standing question of whether the small size of microbes allows most microbial species to colonize all suitable sites around the globe or whether their ranges are limited by opportunities for dispersal. In this study we use a modelling approach to investigate the effect of size on the probability of between-continent dispersal using virtual microorganisms in a global model of the Earths atmosphere.


Location Global.


Methods We use a computer model of global atmospheric circulation to investigate the effect of microbe size (effective diameters of 9, 20, 40 and 60 mu m) on the probability of aerial dispersal.


Results We found that for smaller microbes, once airborne, dispersal is remarkably successful over a 1-year period. The most striking results are the extensive within-hemisphere distribution of virtual microbes of 9 and 20 mu m diameter and the lack of dispersal between the Northern and Southern Hemispheres during the year-long time-scale of our simulations.


Main conclusions Above a diameter of 20 mu m wind dispersal of virtual microbes between continents becomes increasingly unlikely, and it does not occur at all (within our simulated 1-year period) for those of 60 mu m diameter. Within our simulation, the success of small microbes in long-distance dispersal is due both to their greater abundance and to their longer time in the atmosphere - once airborne - compared with larger microbes.


英文关键词Aerial dispersal atmospheric circulation model biogeography dispersal microorganisms size testate amoebae wind
类型Article
语种英语
国家England ; Switzerland
收录类别SCI-E
WOS记录号WOS:000298058200009
WOS关键词LONG-DISTANCE DISPERSAL ; LIVING TERRESTRIAL PROTISTS ; DUST ; BIOGEOGRAPHY ; DIVERSITY ; TRANSPORT ; PROTOZOA ; WIND ; SOIL ; DESERTIFICATION
WOS类目Ecology ; Geography, Physical
WOS研究方向Environmental Sciences & Ecology ; Physical Geography
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/173361
作者单位1.Liverpool John Moores Univ, Sch Nat Sci & Psychol, Liverpool L3 3AF, Merseyside, England;
2.WSL Swiss Fed Inst Forest Snow & Landscape Res, Community Ecol Res Grp, CH-1015 Lausanne, Switzerland;
3.Ecole Polytech Fed Lausanne EPFL, Lab Ecol Syst ECOS, Stn 2, CH-1015 Lausanne, Switzerland;
4.Int Space Sci Inst ISSI, CH-3102 Bern, Switzerland;
5.Univ Neuchatel, Inst Biol, Lab Soil Biol, CH-2000 Neuchatel, Switzerland;
6.ETH, Ctr Climate Syst Modeling C2SM, CH-8092 Zurich, Switzerland
推荐引用方式
GB/T 7714
Wilkinson, David M.,Koumoutsaris, Symeon,Mitchell, Edward A. D.,et al. Modelling the effect of size on the aerial dispersal of microorganisms[J],2012,39(1):89-97.
APA Wilkinson, David M.,Koumoutsaris, Symeon,Mitchell, Edward A. D.,&Bey, Isabelle.(2012).Modelling the effect of size on the aerial dispersal of microorganisms.JOURNAL OF BIOGEOGRAPHY,39(1),89-97.
MLA Wilkinson, David M.,et al."Modelling the effect of size on the aerial dispersal of microorganisms".JOURNAL OF BIOGEOGRAPHY 39.1(2012):89-97.
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