Registro completo | |
---|---|
![]() Accedir a l'exemplar |
|
Títol: |
![]() |
Autor/es | Febrer-Serra, Maria ; Lassnig, Nil ; Colomar, Víctor ; Sureda, Antoni ; Pinya, Samuel |
Matèries en català: | Parc Natural de s'Albufera de Mallorca (Illes Balears) ; Història Natural. |
Matèries en castellà: | Naturaleza -- Parque Natural de s'Albufera de Mallorca. |
Matèries en anglès: | Natural areas -- Spain -- Balearic Islands ; Natural History. |
Abstract: | [eng] The importation of the red-eared slider (Trachemys scripta elegans) to Europe for the pet trade has caused frequent release of this alien turtle to the natural environment. Because of these actions, this alien turtle is currently present in wetlands of many countries worldwide. The reproduction of T. s. elegans has been cited in several localities of Mediterranean countries including our study area, s'Albufera de Mallorca (Muro, Spain). During the study 116 individuals were captured; 27 males, 46 females and 43 juveniles. This population was mostly composed of adults, with a statistically significant sexual dimorphism in body size and a female biased sex-ratio. The smallest reproductive female was 172,0 mm of straight carapace length (SCL), and no correlation was found between clutch size and female body length. The 88.9% of sexually mature females were reproductive females and 7.5% of these reproductive females had calcified eggs in their oviducts. The demographic and reproductive parameters analyzed showed a great capacity of colonization and reproduction of the red-eared slider in s’Albufera de Mallorca. The results obtained show the need to propose policies to eradicate the introduced populations of T. s. elegans, as well as to promote the sensitivity of the owners to avoid pet releases to the natural environment.
|
Font: | Bolletí de la Societat d'Història Natural de les Balears 2019, n. 62, pp. 145-159 |
Identificador: | 0212-260X |
Tipus de document: | info:eu-repo/semantics/article ; info:eu-repo/semantics/publishedVersion |
Avís legal: | All rights reserved ; info:eu-repo/semantics/openAccess |