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| Titre : |
Exploitation abilities between highly invasive and dominant Australian native ant species
|
| Auteur(s) : |
Amandine Confais, Auteur (et co-auteur)
Stéphane Traissac, Responsable de stage AgroParisTech, Etablissement de soutenance |
| Type de document : | Mémoire |
| Filière : | M. : EFT -- Ecologie des Forêts Tropicales |
| Sujets : | Australie ; Formicidae ; Organisme indigène ; Race introduite |
| Résumé : |
Invasive ant species have been widely defined with superior exploitative abilities relative to native ant species. However, dominant native ant species could be as efficient as invasive ant species inexploitative competition and could possibly prevent or subdue the spread of invasive species. Exploitative abilities were measured in 3 invasive ant species and 3 dominant native Australian ant species, in the Australian savanna woodland. Although great differences in the abundance, nest densities were found between invasive and native ant species, there were no differences in the discovery time, recruitment time and in the number of workers recruited and present at the bait. Agreat difference was however found within species which suggest that species have potentially different exploitat[...] Invasive ant species have been widely defined with superior exploitative abilities relative to native ant species. However, dominant native ant species could be as efficient as invasive ant species inexploitative competition and could possibly prevent or subdue the spread of invasive species. Exploitative abilities were measured in 3 invasive ant species and 3 dominant native Australian ant species, in the Australian savanna woodland. Although great differences in the abundance, nest densities were found between invasive and native ant species, there were no differences in the discovery time, recruitment time and in the number of workers recruited and present at the bait. Agreat difference was however found within species which suggest that species have potentially different exploitative mechanisms. Invasive mechanisms are therefore more complex than previously thought. Further work is needed to define the interference abilities between those species and therefore the potential exploitative-interference trade-off. |
| Date de publication : | 2017 |
| Format : | 60 p. / ill. coul., graph.coul., tabl. n&b., carte coul. |
| Langue(s) : | Anglais |
| Lien vers la notice : | https://infodoc.agroparistech.fr/index.php?lvl=notice_display&id=222434 |
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| Localisation | Emplacement | Pôle | Section | Cote | Support | Disponibilité |
|---|---|---|---|---|---|---|
| Kourou | Bibliothèque | AgroParisTech-Kourou | - | Numérique | Consultable sous conditions Disponible |