preprintPLoS BiologyMar 10, 2026GOLD OA

Expanding invasive species impact assessments to the ecosystem level with EEICAT

LCLaís CarneiroDPDaniel Pincheira‐DonosoBLBoris LeroySBSandro BertolinoMCMorelia Camacho‐Cervantes

Centre National de la Recherche Scientifique · AgroParisTech · +14 more institutions

PubMed
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Abstract

The ecological impacts of biological invasions vary widely in type, scale, and severity, highlighting the need for consistent assessment tools. The Environmental Impact Classification for Alien Taxa (EICAT) provides a standardized framework for assessing their effects, but focuses mainly on population-level impacts. We introduce the Extended EICAT (EEICAT), which incorporates impacts across three ecological dimensions, from individuals to ecosystems, with an impact-based approach. EEICAT enables classification of 19 impact types at the invasion-event level, making it suitable for primary research, synthesis, and management. This framework aims to improve the detection, comparison, and communication of complex…

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Topics & keywords

Topics
Keywords
  • Ecosystem
  • Invasive species
  • Impact assessment
  • Environmental impact assessment
  • Biodiversity
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