@article{LopezCalderon2023-03-28White-66803,
  year={2023},
  doi={10.1186/s40462-023-00380-7},
  title={White stork movements reveal the ecological connectivity between landfills and different habitats},
  number={1},
  volume={11},
  journal={Movement Ecology},
  author={López-Calderón, Cosme and Martín-Vélez, Víctor and Blas, Julio and Höfle, Ursula and Sánchez, Marta I. and Flack, Andrea and Fiedler, Wolfgang and Wikelski, Martin and Green, Andy J.},
  note={Article Number: 18}
}

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    <dc:contributor>Wikelski, Martin</dc:contributor>
    <dc:contributor>Sánchez, Marta I.</dc:contributor>
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    <dc:contributor>Blas, Julio</dc:contributor>
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    <dc:contributor>Green, Andy J.</dc:contributor>
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    <dcterms:title>White stork movements reveal the ecological connectivity between landfills and different habitats</dcterms:title>
    <dc:creator>López-Calderón, Cosme</dc:creator>
    <dc:creator>Wikelski, Martin</dc:creator>
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    <dc:contributor>Flack, Andrea</dc:contributor>
    <dc:contributor>Höfle, Ursula</dc:contributor>
    <dc:creator>Sánchez, Marta I.</dc:creator>
    <dc:contributor>López-Calderón, Cosme</dc:contributor>
    <dc:creator>Green, Andy J.</dc:creator>
    <dcterms:abstract>Background
Connections between habitats are key to a full understanding of anthropic impacts on ecosystems. Freshwater habitats are especially biodiverse, yet depend on exchange with terrestrial habitats. White storks ( Ciconia ciconia ) are widespread opportunists that often forage in landfills and then visit wetlands, among other habitats. It is well known that white storks ingest contaminants at landfills (such as plastics and antibiotic resistant bacteria), which can be then deposited in other habitats through their faeces and regurgitated pellets.       
           
Methods
We characterized the role of white storks in habitat connectivity by analyzing GPS data from populations breeding in Germany and wintering from Spain to Morocco. We overlaid GPS tracks on a land-use surface to construct a spatially-explicit network in which nodes were sites, and links were direct flights. We then calculated centrality metrics, identified spatial modules, and quantified overall connections between habitat types. For regional networks in southern Spain and northern Morocco, we built Exponential Random Graph Models (ERGMs) to explain network topologies as a response to node habitat.

Results
For Spain and Morocco combined, we built a directed spatial network with 114 nodes and 370 valued links. Landfills were the habitat type most connected to others, as measured by direct flights. The relevance of landfills was confirmed in both ERGMs, with significant positive effects of this habitat as a source of flights. In the ERGM for southern Spain, we found significant positive effects of rice fields and salines (solar saltworks) as sinks for flights. By contrast, in the ERGM for northern Morocco, we found a significant positive effect of marshes as a sink for flights.            
      
Conclusions
These results illustrate how white storks connect landfills with terrestrial and aquatic habitats, some of which are managed for food production. We identified specific interconnected habitat patches across Spain and Morocco that could be used for further studies on biovectoring of pollutants, pathogens and other propagules.</dcterms:abstract>
    <dc:rights>Attribution 4.0 International</dc:rights>
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    <dc:creator>Blas, Julio</dc:creator>
    <dc:contributor>Fiedler, Wolfgang</dc:contributor>
    <dcterms:issued>2023-03-28</dcterms:issued>
    <dc:creator>Flack, Andrea</dc:creator>
    <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2023-05-05T14:06:08Z</dc:date>
    <dc:contributor>Martín-Vélez, Víctor</dc:contributor>
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    <dc:language>eng</dc:language>
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    <dc:creator>Martín-Vélez, Víctor</dc:creator>
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    <dc:creator>Fiedler, Wolfgang</dc:creator>
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