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Article Dans Une Revue Journal of Animal Ecology Année : 2023

Host space, not energy or symbiont size, constrains feather mite abundance across passerine bird species

María del Mar Labrador
David Serrano
Eduardo Aguilera
José L Arroyo
Francisco Atiénzar
  • Fonction : Auteur
Emilio Barba
Guillermo Blanco
Juan A Calleja
José L Cantó
  • Fonction : Auteur
Verónica Cortés
  • Fonction : Auteur
Javier de la Puente
Diana de Palacio
  • Fonction : Auteur
Jordi Figuerola
Óscar Frías
  • Fonction : Auteur
László Z Garamszegi
Óscar Gordo
Míriam Gurpegui
István Kovács
José L Martínez
  • Fonction : Auteur
Leandro Meléndez
  • Fonction : Auteur
Alexandre Mestre
Anders P Møller
Juan S Monrós
Rubén Moreno-Opo
  • Fonction : Auteur
Péter L Pap
Rubén Piculo
  • Fonction : Auteur
Heather C Proctor
Ángel Sallent
  • Fonction : Auteur
Matthias Vögeli
Roger Jovani

Résumé

Comprehending symbiont abundance among host species is a major ecological endeavour, and the metabolic theory of ecology has been proposed to understand what constrains symbiont populations. We parameterized metabolic theory equations to investigate how bird species' body size and the body size of their feather mites relate to mite abundance according to four potential energy (uropygial gland size) and space constraints (wing area, total length of barbs and number of feather barbs). Predictions were compared with the empirical scaling of feather mite abundance across 106 passerine bird species (26,604 individual birds sampled), using phylogenetic modelling and quantile regression. Feather mite abundance was strongly constrained by host space (number of feather barbs) but not by energy. Moreover, feather mite species' body size was unrelated to the body size of their host species. We discuss the implications of our results for our understanding of the bird–feather mite system and for symbiont abundance in general.
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Dates et versions

hal-04530527 , version 1 (03-04-2024)

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María del Mar Labrador, David Serrano, Jorge Doña, Eduardo Aguilera, José L Arroyo, et al.. Host space, not energy or symbiont size, constrains feather mite abundance across passerine bird species. Journal of Animal Ecology, 2023, 93 (4), pp.393-405. ⟨10.1111/1365-2656.14032⟩. ⟨hal-04530527⟩
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