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  Grassland management intensification weakens the associations among the diversities of multiple plant and animal taxa

Manning, P., Gossner, M. M., Bossdorf, O., Allan, E., Zhang, Y.-Y., Prati, D., et al. (2015). Grassland management intensification weakens the associations among the diversities of multiple plant and animal taxa. Ecology, 96(6), 1492-1501. doi:10.1890/14-1307.1.

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 Urheber:
Manning, Pete, Autor
Gossner, Martin M., Autor
Bossdorf, Oliver, Autor
Allan, Eric, Autor
Zhang, Yuan-Ye, Autor
Prati, Daniel, Autor
Bluethgen, Nico, Autor
Boch, Steffen, Autor
Boehm, Stefan, Autor
Boerschig, Carmen, Autor
Hoelzel, Norbert, Autor
Jung, Kirsten, Autor
Klaus, Valentin H., Autor
Klein, Alexandra Maria, Autor
Kleinebecker, Till, Autor
Krauss, Jochen, Autor
Lange, Markus1, Autor           
Mueller, Joerg, Autor
Pasalic, Esther, Autor
Socher, Stephanie A., Autor
Tschapka, Marco, AutorTuerke, Manfred, AutorWeiner, Christiane, AutorWerner, Michael, AutorGockel, Sonja, AutorHemp, Andreas, AutorRenner, Swen C., AutorWells, Konstans, AutorBuscot, Francois, AutorKalko, Elisabeth K. V., AutorLinsenmair, Karl Eduard, AutorWeisser, Wolfgang W., AutorFischer, Markus, Autor mehr..
Affiliations:
1Molecular Biogeochemistry Group, Dr. G. Gleixner, Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497775              

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 Zusammenfassung: Land-use intensification is a key driver of biodiversity change. However, little is knownabouthowitaltersrelationshipsbetweenthediversitiesofdifferenttaxonomicgroups,which are often correlated due to shared environmental drivers and trophic interactions.Using data from 150 grassland sites, we examined how land-use intensification (increased fertilization, higher livestock densities, and increased mowing frequency) altered correlations between the species richness of 15 plant, invertebrate, and vertebrate taxa.We found that 54%of pairwise correlations between taxonomic groups were significant and positive among all grasslands, while only one was negative.Higher land-use intensitysubstantiallyweakenedthesecorrelations(35%decrease in rand 43%fewer significantpairwise correlations athighintensity),apatternwhichmayemerge as a result of biodiversity declines and the breakdown of specialized relationships in these conditions. Nevertheless, some groups (Coleoptera, Heteroptera, Hymenoptera and Orthoptera) were consistently correlated with multidiversity, an aggregate measure of total biodiversity comprised of the standardizeddiversities ofmultiple taxa, at both high and lowland-use intensity.The formof intensificationwasalsoimportant; increasedfertilizationandmowingfrequencytypicallyweakened plant–plantandplant–primaryconsumer correlations,whereasgrazingintensificationdidnot.This may reflect decreased habitat heterogeneity under mowing and fertilization and increased habitat heterogeneity under grazing.While these results urge caution in using certain taxonomic groups to monitor impacts ofagriculturalmanagementonbiodiversity, theyalsosuggestthat thediversitiesof some groups are reasonably robust indicators of total biodiversity across a range of conditions.

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 Datum: 2014-11-2920152015
 Publikationsstatus: Erschienen
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 Identifikatoren: Anderer: BGC2277
DOI: 10.1890/14-1307.1
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Titel: Ecology
  Andere : Ecology
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Tempe, Ariz., etc. : Ecological Society of America
Seiten: - Band / Heft: 96 (6) Artikelnummer: - Start- / Endseite: 1492 - 1501 Identifikator: ISSN: 0012-9658
CoNE: https://pure.mpg.de/cone/journals/resource/991042723390412