Does Size Matter for Dispersal Distance?

Does Size Matter for Dispersal Distance?

Aim: The aim of this study is to answer the questions: (1) do small organisms disperse farther than large, or vice versa; and (2) does the observed pattern differ for passive and active dispersers? These questions are central to several themes in biogeography (including microbial biogeography), macr...

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Veröffentlicht in:Global Ecology and Biogeography. - John Wiley & Sons Ltd. - 16(2007), 4, Seite 415-425
1. Verfasser: Jenkins, David G. (VerfasserIn)
Weitere Verfasser: Brescacin, Camille R., Duxbury, Craig V., Elliott, Jennifer A., Evans, Jennafer A., Grablow, Katherine R., Hillegass, Melissa, Lyon, Boyd N., Metzger, Genevieve A., Olandese, Michelle L., Pepe, Diana, Silvers, Greg A., Suresch, Hiliary N., Thompson, Tracy N., Trexler, Christina M., Williams, Graham E., Williams, Natalie C., Williams, Sara E.
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2007
Zugriff auf das übergeordnete Werk:Global Ecology and Biogeography
Schlagworte:Active dispersal allometry fragmentation latitudinal species richness mass metacommunity microbial biogeography neutral theory passive dispersal Biological sciences mehr... Mathematics Applied sciences
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100 1 |a Jenkins, David G.  |e verfasserin  |4 aut 
245 1 0 |a Does Size Matter for Dispersal Distance? 
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520 |a Aim: The aim of this study is to answer the questions: (1) do small organisms disperse farther than large, or vice versa; and (2) does the observed pattern differ for passive and active dispersers? These questions are central to several themes in biogeography (including microbial biogeography), macroecology, metacommunity ecology and conservation biology. Location: The meta-analysis was conducted using published data collected worldwide. Methods: We collected and analysed 795 data values in the peer-reviewed literature for direct observations of both maximal dispersal distance and mass of the dispersing organisms (e.g. seeds, not trees). Analysed taxa ranged in size from bacteria to whales. We applied macroecology analyses based on null models (using Monte Carlo randomizations) to test patterns relative to specific hypotheses. Results: Collected dispersal distance and mass data spanned 9 and 21 orders of magnitude, respectively. Active dispersers dispersed significantly farther (P < 0.001) and were significantly greater in mass (P < 0.001) than passive dispersers. Overall, size matters: larger active dispersers attained greater maximum observed dispersal distances than smaller active dispersers. In contrast, passive-disperser distances were random with respect to propagule mass, but not uniformly random, in part due to sparse data available for tiny propagules. Conclusions: Size is important to maximal dispersal distance for active dispersers, but not for passive dispersers. Claims that microbes disperse widely cannot be tested by current data based on direct observations of dispersal: indirect approaches will need to be applied. Distance-mass relationships should contribute to a resolution of neutral and niche-based metacommunity theories by helping scale expectations for dispersal limitation. Also, distance-mass relationships should inform analyses of latitudinal species richness and conservation biology topics such as fragmentation, umbrella species and taxonomic homogenization. 
540 |a Copyright 2007 Blackwell Publishing 
650 4 |a Active dispersal 
650 4 |a allometry 
650 4 |a fragmentation 
650 4 |a latitudinal species richness 
650 4 |a mass 
650 4 |a metacommunity 
650 4 |a microbial biogeography 
650 4 |a neutral theory 
650 4 |a passive dispersal 
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650 4 |a Biological sciences  |x Agriculture  |x Agricultural sciences  |x Horticulture  |x Seed science  |x Seed dispersal 
650 4 |a Biological sciences  |x Biogeography 
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650 4 |a Biological sciences  |x Ecology  |x Population ecology 
650 4 |a Biological sciences  |x Ecology  |x Aquatic ecology  |x Marine ecology 
650 4 |a Biological sciences  |x Ecology  |x Microbial ecology 
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650 4 |a Biological sciences  |x Biology  |x Conservation biology 
650 4 |a Biological sciences  |x Agriculture  |x Agricultural sciences  |x Horticulture  |x Seed science  |x Seed dispersal 
650 4 |a Biological sciences  |x Biogeography 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Taxa 
650 4 |a Biological sciences  |x Biology  |x Biological taxonomies  |x Species 
650 4 |a Mathematics  |x Applied mathematics  |x Statistics  |x Applied statistics  |x Descriptive statistics  |x Statistical distributions 
650 4 |a Biological sciences  |x Ecology  |x Population ecology 
650 4 |a Biological sciences  |x Ecology  |x Aquatic ecology  |x Marine ecology 
650 4 |a Biological sciences  |x Ecology  |x Microbial ecology 
650 4 |a Applied sciences  |x Technology  |x Tools  |x Umbrellas  |x Meta-Analysis 
655 4 |a research-article 
700 1 |a Brescacin, Camille R.  |e verfasserin  |4 aut 
700 1 |a Duxbury, Craig V.  |e verfasserin  |4 aut 
700 1 |a Elliott, Jennifer A.  |e verfasserin  |4 aut 
700 1 |a Evans, Jennafer A.  |e verfasserin  |4 aut 
700 1 |a Grablow, Katherine R.  |e verfasserin  |4 aut 
700 1 |a Hillegass, Melissa  |e verfasserin  |4 aut 
700 1 |a Lyon, Boyd N.  |e verfasserin  |4 aut 
700 1 |a Metzger, Genevieve A.  |e verfasserin  |4 aut 
700 1 |a Olandese, Michelle L.  |e verfasserin  |4 aut 
700 1 |a Pepe, Diana  |e verfasserin  |4 aut 
700 1 |a Silvers, Greg A.  |e verfasserin  |4 aut 
700 1 |a Suresch, Hiliary N.  |e verfasserin  |4 aut 
700 1 |a Thompson, Tracy N.  |e verfasserin  |4 aut 
700 1 |a Trexler, Christina M.  |e verfasserin  |4 aut 
700 1 |a Williams, Graham E.  |e verfasserin  |4 aut 
700 1 |a Williams, Natalie C.  |e verfasserin  |4 aut 
700 1 |a Williams, Sara E.  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Global Ecology and Biogeography  |d John Wiley & Sons Ltd  |g 16(2007), 4, Seite 415-425  |w (DE-627)320610276  |w (DE-600)2021283-5  |x 14668238  |7 nnns 
773 1 8 |g volume:16  |g year:2007  |g number:4  |g pages:415-425 
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