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Título: | eDNA monitoring as a tool for evaluating the reintroduction of Austropotamobius pallipes after a crayfish plague outbreak |
Autor: | Casabella-Herrero, Gloria CSIC ORCID; Martín-Torrijos, Laura CSIC ORCID; Dieguez-Uribeondo, Javier CSIC ORCID | Fecha de publicación: | 2023 | Editor: | Academic Press | Citación: | Journal of Invertebrate Pathology 201 (2023) | Resumen: | The crayfish plague, a severe disease caused by the oomycete Aphanomyces astaci, is responsible for most population declines of susceptible crayfish in Europe. This pathogen has been devastating native populations of Austropotamobius pallipes since the 1970s in the Iberian Peninsula. In this study, we report a massive mortality event in one of the most important Spanish populations of A. pallipes. We aimed to: (i) identify the cause of the mortality, and (ii) evaluate the reintroduction viability of the species. Over the course of six months, we used environmental DNA (eDNA) and traditional trap-based methods to detect the presence of A. astaci or of native or invasive crayfish in order to evaluate the reintroduction viability of A. pallipes to the affected population. We did not capture any live crayfish or detect the presence of A. astaci in the reservoir water during the six months following the mass mortality event. Our analyses indicated that it was feasible to initiate a reintroduction program at the site, which will continue to be monitored for three to five years and will help improve the conservation status of A. pallipes. | Versión del editor: | http://dx.doi.org/10.1016/j.jip.2023.108026 | URI: | http://hdl.handle.net/10261/351943 | Identificadores: | doi: 10.1016/j.jip.2023.108026 issn: 1096-0805 |
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