Phénologie de la reproduction chez Pelodytes punctatus Daudin, 1802 (Amphibia, Anura)

Guyetant, R.; Temmermans, W.; Avrillier, Jean-Noël

doi:10.1163/156853899x00169

Cited by 7 publications

(1 citation statement)

References 7 publications

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“…The results look overall in line with the state of knowledge on the species breeding phenology in Europe. Biannual breeding occurrences, especially in spring and autumn, are already well documented for P. punctatus (Guyétant et al 1999;Jakob et al 2003;Salvidio et al 2004;Richter-Boix et al 2006a;Geniez & Cheylan 2012;Cayuela et al 2012;Jourdan-Pineau et al 2012;Escoriza 2017), P. cultripes (Salvidio & Quero 1987;Díaz-Paniagua 1988;Rodríguez Jiménez 1988;Salvador & Carrascal 1990;Díaz-Paniagua 1992;Lizana et al 1994;Jakob et al 2003;Thirion 2006;Geniez & Cheylan 2012;Martínez-Solano & García-París 2012;Recuero 2014;Priol 2015) and H. meridionalis (Richter-Boix et al 2006a).…”

Section: Discussionmentioning

confidence: 86%

Breeding phenology of amphibians in a Mediterranean ephemeral stream (Ardèche, France)

DUGUET¹

2022

Naturae

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We present the results of the monitoring of breeding phenology of an assemblage of eight species of amphibians in a Mediterranean ephemeral stream, located in the Ardèche department, France. For most species, during 11 consecutive years, phenology was rather constant from year to year, which is rather unusual in Mediterranean temporary ponds. The occurrence of summer breeding was not rare for three species: Pelobates cultripes (Cuvier, 1829), Pelodytes punctatus (Daudin, 1803) and Hyla meridionalis Böttger, 1874. Breeding occurrence is linked to rewetting events caused by active karst resurgences, fuelled by periods of intense rainfall episodes called “cévenol” episodes. We document for the first time a triannual breeding occurrence (spring, summer, and autumn), and an in situ record of a short tadpole development period, concerning particularly P. cultripes. The ecological factors which can explain this species richness and these unusual observations are outlined. In conclusion, we encourage the conservation and monitoring of amphibian communities in ephemeral streams, as the natural and scientific interests for this type of habitat are often underestimated.

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Section: Discussionmentioning

confidence: 86%

Breeding phenology of amphibians in a Mediterranean ephemeral stream (Ardèche, France)

DUGUET¹

2022

Naturae

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Breeding phenology of an amphibian community in a Mediterranean area

Richter‐Boix

Llorente²,

Montori³

2006

Amphib Reptilia

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We studied the temporal breeding patterns and strategies of anuran assemblages in the Mediterranean region over five consecutive years. We collected monthly data on the number of clutches, tadpoles and juveniles presence of six species in 98 ponds. The data showed a great temporal segregation of species. Species using permanent ponds have a breeding peak that is related to temperature whereas reproductive success in temporary pond breeders is determined by rainfall pulses. Many species showed great plasticity of reproduction with two peaks: one in spring and the other in autumn. In spite of this temporal segregation, a large overlap was observed among species during the larval phase period. Three species (Alytes obstetricans, Pelodytes punctatus and Rana perezi) have over-wintering tadpoles. We discuss temporal segregation, differences between species in their breeding strategies and variable conditions between years as factors that favour the temporal coexistence of species in the Mediterranean region.

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Hierarchical competition in pond-breeding anuran larvae in a Mediterranean area

2007

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The anuran larval guild is frequently characterised by the co-occurrence, with high niche overlap, of distinct species in the same pond at variables densities during development. Anuran larvae have therefore been widely studied as a model system for competition. Body size and activity level are considered the most important factors that influence the outcome of competition between tadpoles. As species from temporary ponds normally show higher activity levels in order to achieve rapid growth and thus reduce the risk of desiccation, these species are often considered superior competitors. We designed several laboratory experiments to examine the intra-and interspecific effects on growth rate, mass at metamorphosis and survival to metamorphosis of six species in a Mediterranean area. Body size and activity level were used as explanatory covariables to determine competitive ability among species. An asymmetric and hierarchical relationship was found among the six species. Larger tadpole species were more successful in competitive interactions than smaller ones, but no relationship was found between activity level and competition effects. Species typically found in temporary ponds (Pelodytes punctatus and Bufo calamita) were considered poor competitors in contrast with other communities studied. Species with low competitive ability can persist by using refuges in which competition is reduced (e.g. ephemeral ponds).

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Phénologie de la reproduction chez Pelodytes punctatus Daudin, 1802 (Amphibia, Anura)

Cited by 7 publications

References 7 publications

Breeding phenology of amphibians in a Mediterranean ephemeral stream (Ardèche, France)

Breeding phenology of amphibians in a Mediterranean ephemeral stream (Ardèche, France)

Breeding phenology of an amphibian community in a Mediterranean area

Hierarchical competition in pond-breeding anuran larvae in a Mediterranean area

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