Reproductive biology of Melanophryniscus montevidensis (Anura: Bufonidae) from Uruguay: reproductive effort, fecundity, sex ratio and sexual size dimorphism
| Autor: | Gisela Pereira, Raúl Maneyro |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
education.field_of_study Ecology media_common.quotation_subject Population 010607 zoology Endangered species Zoology Biology biology.organism_classification Fecundity 010603 evolutionary biology 01 natural sciences Melanophryniscus montevidensis Sexual dimorphism Reproductive biology Animal Science and Zoology Reproduction education Ecology Evolution Behavior and Systematics Sex ratio media_common |
| Zdroj: | Studies on Neotropical Fauna and Environment. 53:10-21 |
| ISSN: | 1744-5140 0165-0521 |
| DOI: | 10.1080/01650521.2017.1364952 |
| Popis: | We analyzed the reproductive traits of a population of Melanophryniscus montevidensis. The reproductive events were associated to rainfalls. Males called from dawn to late night, were more abundant than females, and adopted alternative tactics to find partners (active search). Females were larger than males, and had mature oocytes and lipid reserves after spawning; they showed no association between size and fecundity. As an explosive breeder, females are prepared all year long for reproduction. Several individuals revealed high site-fidelity for breeding. Knowledge about breeding pattern could help to propose suitable and efficient in situ conservation measures for this endangered species. |
| Databáze: | OpenAIRE |
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