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In search of a real definition of the biological invasion phenomenon itself
Valéry, L.; Fritz, H.; Lefeuvre, J.-C.; Simberloff, D. (2008). In search of a real definition of the biological invasion phenomenon itself. Biological Invasions 10(8): 1345-1351. https://dx.doi.org/10.1007/s10530-007-9209-7
In: Biological Invasions. Springer: London. ISSN 1387-3547; e-ISSN 1573-1464
Peer reviewed article  
Beschikbaar in  Auteurs 
Author keywords
    Biological invasion; Definition; Geographic criterion; Impact criterion; Interspecific competition; Ontological approach
Auteurs  Top 
  • Valéry, L.
  • Fritz, H.
  • Lefeuvre, J.-C.
  • Simberloff, D.
Abstract
    The many qualifying terms attributed to invasive species reveal the lack of precision surrounding the notion of biological invasion itself. In spite of several proposed definitions, some basic disagreements persist concerning characterization of the phenomenon. These primarily arise from the lack of pertinence of both of the main current criteria—the geographic (or biogeographic) criterion and the impact criterion—to what is really intended by “invasion.” Faced with this situation, it seems preferable to adopt an ontological approach allowing a return to the basic principles of the elaboration of a definition. Starting with the nature of the phenomenon itself (i.e., its essence), we try to elucidate the notion of biological invasion and we suggest a general definition compatible with most of the ideas already expressed.
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