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  • Relationships between biodiversity and the stability of marine ecosystems: Comparisons at a European scale using meta-analysis

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    Author
    Cusson, Mathieu
    Crowe, Tasman
    Araujo, Rita
    Arenas, Francisco
    Aspden, Rebbecca
    Bulleri, Fabio
    Davoult, Dominique
    Dyson, Kirstie
    Fraschetti, Simonetta
    Herkul, Kristjan
    Hubas, Cedric
    Jenkins, Stuart
    Kotta, Jonne
    Kraufvelin, Patrik
    Migné, Aline
    Molis, Markus
    Mulholland, Olwyen
    Noël, Laure
    Paterson, David
    Saunders, James
    Somerfield, P.
    Sousa-Pinto, Isabel
    Spilmont, Nicolas
    Terlizzi, Antonio
    Benedetti-Cecchi, Lisandro
    Year published
    2015
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    Abstract
    The relationship between biodiversity and stability of marine benthic assemblages was investigated through meta-analyses using existing data sets (n = 28) covering various spatial (m–km) and temporal (1973–2006; ranging from 5 to > 250 months) scales in different benthic habitats (emergent rock, rock pools and sedimentary habitats) over different European marine systems (North Atlantic and western Mediterranean). Stability was measured by a lower variability in time, and variability was estimated as temporal variance of species richness, total abundance (density or % cover) and community structure (using Bray–Curtis ...
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    The relationship between biodiversity and stability of marine benthic assemblages was investigated through meta-analyses using existing data sets (n = 28) covering various spatial (m–km) and temporal (1973–2006; ranging from 5 to > 250 months) scales in different benthic habitats (emergent rock, rock pools and sedimentary habitats) over different European marine systems (North Atlantic and western Mediterranean). Stability was measured by a lower variability in time, and variability was estimated as temporal variance of species richness, total abundance (density or % cover) and community structure (using Bray–Curtis dissimilarities on species composition and abundance). Stability generally decreased with species richness. Temporal variability in species richness increased with the number of species at both quadrat (< 1 m2) and site (~ 100 m2) scales, while no relationship was observed by multivariate analyses. Positive relationships were also observed at the scale of site between temporal variability in species richness and variability in community structure with evenness estimates. This implies that the relationship between species richness or evenness and species richness variability is slightly positive and depends on the scale of observation. Thus, species richness does not stabilize temporal fluctuations in species number, rather species rich assemblages are those most likely to undergo the largest fluctuations in species numbers and abundance from time to time. Changes within community assemblages in terms of structure are, however, generally independent of biodiversity. Except for sedimentary and rock pool habitats, no relationship was observed between temporal variation of total abundances and diversity at either scale. Overall, our results emphasize that the relation between species richness and species-level measures of temporal variability depends on scale of measurements, type of habitats and the marine system (North Atlantic and Mediterranean) considered.
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    Journal Title
    Journal of Sea Research
    Volume
    98
    DOI
    https://doi.org/10.1016/j.seares.2014.08.004
    Copyright Statement
    © 2016 Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Licence (http://creativecommons.org/licenses/by-nc-nd/4.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, providing that the work is properly cited.
    Subject
    Oceanography not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/101197
    Collection
    • Journal articles

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