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Assemblage and functional categorization of dung beetles (Coleoptera: Scarabaeinae) from the Pantanal.


ABSTRACT: The Pantanal is one of the world's largest tropical wetland areas and harbors high mammal biomass. There is no formal list of dung beetle species, and studies on their functional roles have never being carried out in Pantanal. In this study, we identified dung beetle species occurring in the north Pantanal region (Poconé sub-region, Brazil) and studied their functional organization, by measuring morphological, behavioral and phenological traits. We collected 25,278 individuals belonging to 17 genera and 35 species. We identified eight functional groups in the habitat: Noturnal Telecoprids, Diurnal Telecoprids, Nesting Endocoprids, Small Nonrollers, Nocturnal Nester Paracoprids, Big Nesters Paracoprids, Non Nesters Paracoprids and Diurnal Nesters Paracoprids. The functional groups were defined mostly by two reproductive traits and two niche differentiation traits related to the use of fecal resources. This high diversification of both species and functional roles shows the importance of the group in a habitat with strong variation in availability of habitat and resources.

SUBMITTER: Pessoa MB 

PROVIDER: S-EPMC5681849 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Assemblage and functional categorization of dung beetles (Coleoptera: Scarabaeinae) from the Pantanal.

Pessôa Marcelo B MB   Izzo Thiago J TJ   Vaz-de-Mello Fernando Z FZ  

PeerJ 20171108


The Pantanal is one of the world's largest tropical wetland areas and harbors high mammal biomass. There is no formal list of dung beetle species, and studies on their functional roles have never being carried out in Pantanal. In this study, we identified dung beetle species occurring in the north Pantanal region (Poconé sub-region, Brazil) and studied their functional organization, by measuring morphological, behavioral and phenological traits. We collected 25,278 individuals belonging to 17 ge  ...[more]

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