Radboud Repository

      View Item 
      •   Radboud Repository
      • Collections Radboud University
      • Datasets
      • View Item
      •   Radboud Repository
      • Collections Radboud University
      • Datasets
      • View Item
      JavaScript is disabled for your browser. Some features of this site may not work without it.
      BrowseAll of RepositoryCollectionsDepartmentsDate IssuedAuthorsTitlesDocument typeThis CollectionDepartmentsDate IssuedAuthorsTitlesDocument type
      StatisticsView Item Statistics

      Data from: How habitat-modifying organisms structure the food web of two coastal ecosystems

      Find Full text
      Creators
      Zee, E. van der
      Angelini, C.
      Govers, L.L.
      Christianen, M.J.A
      Altieri, A.H.
      van der Reijden, K.J.
      Silliman, B.R.
      Koppel, J.V. de
      van der Geest, M.
      van Gils, J.A.
      van der Veer, H.W.
      Piersma, T.
      Ruiter, P.C. De
      Olff, H.
      Heide, T. van der
      Date of Archiving
      2016
      Archive
      Dryad
      Related publications
      How habitat-modifying organisms structure the food web of two coastal ecosystems  
      Publication type
      Dataset
      Access level
      Open access
      Please use this identifier to cite or link to this item: https://hdl.handle.net/2066/218011   https://hdl.handle.net/2066/218011
      Display more detailsDisplay less details
      Organization
      Aquatic Ecology and Environmental Biology
      Audience(s)
      Biology
      Key words
      Foundation species; ecological networks; food web; facilitation; non-trophic interactions; ecosystem engineering
      Abstract
      The diversity and structure of ecosystems has been found to depend both on trophic interactions in food webs and on other species interactions such as habitat modification and mutualism that form non-trophic interaction networks. However, quantification of the dependencies between these two main interaction networks has remained elusive. In this study, we assessed how habitat-modifying organisms affect basic food web properties by conducting in-depth empirical investigations of two ecosystems: North American temperate fringing marshes and West African tropical seagrass meadows. Results reveal that habitat-modifying species, through non-trophic facilitation rather than their trophic role, enhance species richness across multiple trophic levels, increase the number of interactions per species (link density), but decrease the realized fraction of all possible links within the food web (connectance). Compared to the trophic role of the most highly connected species, we found this non-trophic effects to be more important for species richness and of more or similar importance for link density and connectance. Our findings demonstrate that food webs can be fundamentally shaped by interactions outside the trophic network, yet intrinsic to the species participating in it. Better integration of non-trophic interactions in food web analyses may therefore strongly contribute to their explanatory and predictive capacity.
      This item appears in the following Collection(s)
      • Datasets [1269]
      • Faculty of Science [32153]
       
      •  Upload Full Text
      •  Terms of Use
      •  Notice and Takedown
      Bookmark and Share
      Admin login