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      A meta-analysis of nestedness and turnover components of beta diversity across organisms and ecosystems

      1 , 2 , 1 , 3
      Global Ecology and Biogeography
      Wiley

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          Navigating the multiple meanings of β diversity: a roadmap for the practicing ecologist.

          A recent increase in studies of β diversity has yielded a confusing array of concepts, measures and methods. Here, we provide a roadmap of the most widely used and ecologically relevant approaches for analysis through a series of mission statements. We distinguish two types of β diversity: directional turnover along a gradient vs. non-directional variation. Different measures emphasize different properties of ecological data. Such properties include the degree of emphasis on presence/absence vs. relative abundance information and the inclusion vs. exclusion of joint absences. Judicious use of multiple measures in concert can uncover the underlying nature of patterns in β diversity for a given dataset. A case study of Indonesian coral assemblages shows the utility of a multi-faceted approach. We advocate careful consideration of relevant questions, matched by appropriate analyses. The rigorous application of null models will also help to reveal potential processes driving observed patterns in β diversity. © 2010 Blackwell Publishing Ltd/CNRS.
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            Measuring beta diversity for presence-absence data

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              Global dispersal of free-living microbial eukaryote species.

              The abundance of individuals in microbial species is so large that dispersal is rarely (if ever) restricted by geographical barriers. This "ubiquitous" dispersal requires an alternative view of the scale and dynamics of biodiversity at the microbial level, wherein global species number is relatively low and local species richness is always sufficient to drive ecosystem functions.
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                Author and article information

                Journal
                Global Ecology and Biogeography
                Global Ecol Biogeogr
                Wiley
                1466822X
                January 2018
                January 2018
                October 27 2017
                : 27
                : 1
                : 96-109
                Affiliations
                [1 ]Department of Geosciences and Geography; University of Helsinki; Helsinki Finland
                [2 ]Finnish Environment Institute, Natural Environment Centre, Biodiversity; Oulu Finland
                [3 ]State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology; Chinese Academy of Sciences; Nanjing China
                Article
                10.1111/geb.12660
                9deb7bd9-bb5c-4929-a61f-b26d2be8b9b0
                © 2017

                http://doi.wiley.com/10.1002/tdm_license_1.1

                http://onlinelibrary.wiley.com/termsAndConditions#vor

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