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Invaders’ trophic position and their direct and indirect relationship influence on resident food webs

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  • Móréh, Ágnes
  • Scheuring, István

Abstract

Many ecosystems are undergoing simultaneous colonization and spread of multiple alien species. Invaders often negatively affect communities by reducing population sizes of resident species or even decreasing community diversity through extinctions. Direct and indirect interactions between them can amplify or mitigate their impacts on native communities. In this study, we compare the effects of two invaders on the resident model food webs under two scenarios: separate versus simultaneous invasion.

Suggested Citation

  • Móréh, Ágnes & Scheuring, István, 2025. "Invaders’ trophic position and their direct and indirect relationship influence on resident food webs," Ecological Modelling, Elsevier, vol. 508(C).
    • Handle: RePEc:eee:ecomod:v:508:y:2025:i:c:s0304380025002248
    DOI: 10.1016/j.ecolmodel.2025.111238
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    References listed on IDEAS

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    3. Móréh, Ágnes & Endrédi, Anett & Piross, Sándor Imre & Jordán, Ferenc, 2021. "Topology of additive pairwise effects in food webs," Ecological Modelling, Elsevier, vol. 440(C).
    4. Phillip Cassey & Steven Delean & Julie L Lockwood & Jason S Sadowski & Tim M Blackburn, 2018. "Dissecting the null model for biological invasions: A meta-analysis of the propagule pressure effect," PLOS Biology, Public Library of Science, vol. 16(4), pages 1-15, April.
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