Un método para establecer la viabilidad de las poblaciones de la araña trampera Amblyocarenum en áreas urbanas: un estudio piloto

Arnau  Calatayud-Mascarell; Luna  Migueles-Miralles

doi:10.3989/graellsia.2022.v78.329

Autores/as

Arnau Calatayud-Mascarell Biodiversity Research Institute (IRBio), University of Barcelona https://orcid.org/0000-0003-0627-2616
Luna Migueles-Miralles Biodiversity Research Institute (IRBio), University of Barcelona https://orcid.org/0000-0001-8578-3005

DOI:

https://doi.org/10.3989/graellsia.2022.v78.329

Palabras clave:

Urbanización, arañas migalomorfas, indicador ecológico, uso del suelo, La Safor

Resumen

Amblyocarenum walckenaeri (Lucas, 1846) (Araneae: Mygalomorphae: Nemesiidae) se encuentra en varias zonas urbanas de La Safor (Valencia, España). Aquí, presentamos un método que podría exponer el efecto perturbador de la rápida expansión urbana en poblaciones de arañas tramperas: contando las clases de edades de una población como indicador de su viabilidad. Nuestros resultados muestran que la mayoría de las poblaciones urbanas muestreadas no presenta crías. Esto sugiere que Amblyocarenum existe en dichas zonas urbanas como remanentes; poblaciones envejecidas que presentan dificultad a la hora de reclutar nuevas generaciones de ejemplares, tornándose inviables.

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