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The Science of Nature

, 105:54 | Cite as

Meta-networks for the study of biogeographical traits in ecological networks: the Mexican hummingbird-plant assemblage

  • Ana M. Martín González
  • Juan Francisco Ornelas
  • Bo Dalsgaard
  • Ubaldo Márquez-Luna
  • Carlos Lara
Original Paper

Abstract

Recent studies on ecological networks have quantified the contribution of ecological, historical, and evolutionary factors on the structure of local communities of interacting species. However, the influence of species’ biogeographical traits, such as migratory habits or phylogeographical history, on ecological networks is poorly understood. Meta-networks, i.e., networks that cover large spatial extensions and include species not co-occurring locally, enable us to investigate mechanisms that operate at larger spatial scales such as migratory patterns or phylogeographical distributions, as well as indirect relationships among species through shared partners. Using a meta-network of hummingbird-plant interaction across Mexico, we illustrate the usefulness of this approach by investigating (1) how biogeographical and morphological factors associate with observed interactions and (2) how species-specific biogeographical characteristics associate with species’ network roles. Our results show that all studied hummingbird and plant species in the meta-network were interrelated, either directly or through shared partners. The meta-network was structured into modules, resulting from hummingbirds and plants interacting preferentially with subsets of species, which differed in biogeographical, and, to a lesser extent, morphological traits. Furthermore, migrants and hummingbirds from Nearctic, Transition, and widespread regions had a higher topological importance in the meta-network. Our study illustrates how meta-networks may contribute to our current knowledge on species’ biogeographical traits and biotic interactions, providing a perspective complementary to local-scale networks.

Keywords

Biotic interactions Migration Modularity Morphology Phylogeny Pollination 

Notes

Acknowledgements

We thank Sven Thatje, Tobias Roth, and three anonymous referees for helpful comments on a previous version of the manuscript. AMMG is supported through a Marie Skłodowska-Curie Individual Fellowship (H2020-MSCA-IF-2015-704409). AMMG and BD thank the Danish National Research Foundation for its support of the Center for Macroecology, Evolution and Climate (Grant number DNRF96). CL thanks the Secretaría de Investigación of Universidad Autónoma de Tlaxcala for the scholarship awarded. Verónica Mendiola-Islas provided logistical support during the revision of hummingbird-plant networks.

Supplementary material

114_2018_1578_MOESM1_ESM.doc (316 kb)
ESM 1 (DOC 315 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Center for Macroecology, Evolution and Climate, Natural History Museum of DenmarkUniversity of CopenhagenCopenhagen ØDenmark
  2. 2.Departamento de Biología EvolutivaInstituto de Ecología, A.C. (INECOL)XalapaMexico
  3. 3.Doctorado en Ciencias Biológicas y de la SaludUniversidad Autónoma Metropolitana-IztapalapaIztapalapaMexico
  4. 4.Centro de Investigación en Ciencias BiológicasUniversidad Autónoma de TlaxcalaTlaxcalaMexico

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