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Ants impact the composition of the aquatic macroinvertebrate communities of a myrmecophytic tank bromeliad

Abstract : In an inundated Mexican forest, 89 out of 92 myrmecophytic tank bromeliads (Aechmea bracteata) housed an associated ant colony: 13 sheltered Azteca serica, 43 Dolichoderus bispinosus, and 33 Neoponera villosa. Ant presence has a positive impact on the diversity of the aquatic macroinvertebrate communities (n = 30 bromeliads studied). A Principal Component Analysis (PCA) showed that the presence and the species of ant are not correlated to bromeliad size, quantity of water, number of wells, filtered organic matter or incident radiation. The PCA and a generalized linear model showed that the presence of Azteca serica differed from the presence of the other two ant species or no ants in its effects on the aquatic invertebrate community (more predators). Therefore, both ant presence and species of ant affect the composition of the aquatic macroinvertebrate communities in the tanks of A. bracteata, likely due to ant deposition of feces and other waste in these tanks. (C) 2018 Published by Elsevier Masson SAS on behalf of Academie des sciences.
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https://hal.inrae.fr/hal-02621665
Déposant : Migration Prodinra <>
Soumis le : mardi 26 mai 2020 - 03:11:38
Dernière modification le : vendredi 5 février 2021 - 03:40:24

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Alain Dejean, Arthur Compin, Maurice Leponce, Frédéric Azémar, Camille Bonhomme, et al.. Ants impact the composition of the aquatic macroinvertebrate communities of a myrmecophytic tank bromeliad. Comptes Rendus Biologies, Elsevier Masson, 2018, 341 (3), pp.200-207. ⟨10.1016/j.crvi.2018.02.003⟩. ⟨hal-02621665⟩

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