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9 results for “Galemys pyrenaicus”
Desmán (Galemys pyrenaicus)
**Ejemplar:** *Galemys pyrenaicus* **Taxonomía:** Talpidae-Desmaninae **Nombre común**: Desmán o rata almizclera **Localidad**: Pirineos catalanes **Descripción:** escultura a tamaño real esculpida en arcilla por el Dr. Julio Pitarch **Dimensión ejemplar:** 18 cm. altura y 9 cm. anchura. **Sigla museo, colección y entidad:** MUVHNZJ0310, Colección CCNN Padre Ignacio Sala S.J. (Jesuitas) del Museo de la Universitat de Valencia de Historia Natural **Realización recreación:** Julio Pitarch Reig (1986) **Técnica digitalización / modelo:** fotogrametría, cámara sony DSC HX60 **Software empleado:** photoscan **Parámetros software:** modo fijo con plataforma giratoria, calidad alta **Archivo 3D:** obj 12,4 textura jpg 10,5 MB **Autor fotografías:** Guillermo Rodero (alumno trabaJo fin de máster 2020) **Autor fotogrametría**: Jose A. Villena **Cita ejemplar:** modelo 3D colección "Padre Ignacio Sala S.J." del Museo de la Universitat de Valencia de Historia Natural Source: Objaverse 1.0 / Sketchfab
Data from: Determining diet from faeces: selection of metabarcoding primers for the insectivore Pyrenean desman (Galemys pyrenaicus)
Molecular techniques allow non-invasive dietary studies from faeces, providing an invaluable tool to unveil ecological requirements of endangered or elusive species. They contribute to progress on important issues such as genomics, population genetics, dietary studies or reproductive analyses, essential knowledge for conservation biology. Nevertheless, these techniques require general methods to be tailored to the specific research objectives, as well as to substrate- and species-specific constraints. In this pilot study we test a range of available primers to optimise diet analysis from metabarcoding of faeces of a generalist aquatic insectivore, the endangered Pyrenean desman (Galemys pyrenaicus, É. Geoffroy Saint-Hilaire, 1811, Talpidae), as a step to improve the knowledge of the conservation biology of this species. Twenty-four faeces were collected in the field, DNA was extracted from them, and fragments of the standard barcode region (COI) were PCR amplified by using five primer sets (Brandon-Mong, Gillet, Leray, Meusnier and Zeale). PCR outputs were sequenced on the Illumina MiSeq platform, sequences were processed, clustered into OTUs (Operational Taxonomic Units) using UPARSE algorithm and BLASTed against the NCBI database. Although all primer sets successfully amplified their target fragments, they differed considerably in the amounts of sequence reads, rough OTUs, and taxonomically assigned OTUs. Primer sets consistently identified a few abundant prey taxa, probably representing the staple food of the Pyrenean desman. However, they differed in the less common prey groups. Overall, the combination of Gillet and Zeale primer sets were most cost-effective to identify the widest taxonomic range of prey as well as the desman itself, which could be further improved stepwise by adding sequentially the outputs of Leray, Brandon-Mong and Meusnier primers. These results are relevant for the conservation biology of this endangered species as they allow a better characterization of its food and habitat requirements.
On following pages: 6. Snow Mountain Shrew Mole (Uropsilus nivatus); 7. Black-backed Shrew Mole (Uropsilus atronates (Scapanus orarius); 11. Townsend's Mole (Scapanus townsendii); 12. Broad-footed Mole (Scapanus latimanus); 13 fusicauda); 16. Japanese Shrew Mole (Urotrichus talpoides); 17. True's Shrew Mole (Dymecodon pilirostris); 18. American (Desmana moschata); 21. Pyrenean Desman (Galemys pyrenaicus). ); 8. Gansu Mole (Scapanulus owen); 9. Hairy-tailed Mole (Parascalops breweri); 10. Coast Mole. Mexican Mole (Scapanus anthonyi); 14. Eastern Mole (Scalopus aquaticus); 15. Long-tailed Mole (Scaptonyx Shrew Mole (Neurotrichus gibbsii); 19. Starnosed Mole (Condylura cristata); 20. Russian Desman in Talpidae
On following pages: 6. Snow Mountain Shrew Mole (Uropsilus nivatus); 7. Black-backed Shrew Mole (Uropsilus atronates (Scapanus orarius); 11. Townsend's Mole (Scapanus townsendii); 12. Broad-footed Mole (Scapanus latimanus); 13 fusicauda); 16. Japanese Shrew Mole (Urotrichus talpoides); 17. True's Shrew Mole (Dymecodon pilirostris); 18. American (Desmana moschata); 21. Pyrenean Desman (Galemys pyrenaicus). ); 8. Gansu Mole (Scapanulus owen); 9. Hairy-tailed Mole (Parascalops breweri); 10. Coast Mole. Mexican Mole (Scapanus anthonyi); 14. Eastern Mole (Scalopus aquaticus); 15. Long-tailed Mole (Scaptonyx Shrew Mole (Neurotrichus gibbsii); 19. Starnosed Mole (Condylura cristata); 20. Russian Desman
Figure 2 in Local habitat preferences of a semi-aquatic mammal, the Pyrenean desman Galemys pyrenaicus
Figure 2: Explanatory power (% of deviance explained) of GLMs relating the number of Pyrenean desman faeces to a single category of abiotic or biotic variables ("models by category"). See Table 1 for details about the variables belonging to each category.
Data from: Determining diet from faeces: selection of metabarcoding primers for the insectivore Pyrenean desman (Galemys pyrenaicus)
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Data from: Using relatedness networks to infer contemporary dispersal: application to the endangered mammal Galemys pyrenaicus
Information about the degree of contemporary dispersal is important when trying to understand how populations interchange individuals and identify the specific barriers that prevent these movements. In the case of endangered species, this can represent crucial information when designing appropriate strategies that favor natural genetic exchange between populations. Here we analyze the parentage relationships between individuals from different localities and use these data to infer dispersal occurred in recent generations. We applied this approach to the Pyrenean desman (Galemys pyrenaicus), a semiaquatic and endangered species endemic to the Iberian Peninsula. We studied this species in four primary rivers in the Iberian Range, where two ancient mitochondrial lineages are separated by a strict contact zone but whose populations are more homogeneous at the genome level, suggesting the existence of complex dispersal patterns. Using next generation sequencing, we obtained 912 SNPs from each sample and estimated relatedness values between them. While relatedness networks were very dense within each river, we found surprisingly few relationships between individuals from different rivers despite their close proximity in some cases, indicating that dispersal between rivers is extremely low compared to dispersal within a single river. In agreement with this, the degree of inbreeding was exceedingly high in most individuals. These data show that relatedness information can be crucial to understand the contemporary dispersal patterns and conservation status of specific populations of endangered species.
Figure 1 in Local habitat preferences of a semi-aquatic mammal, the Pyrenean desman Galemys pyrenaicus
Figure 1: Location of the study area and sampling sites (black dots) in the French Pyrenees.
Data from: Using relatedness networks to infer contemporary dispersal: application to the endangered mammal Galemys pyrenaicus
Open the record for dataset details and reuse information.
Desmán o Galemys pyrenaicus
**Ejemplar:** *Galemys pyrenaicus* **Taxonomía:** Talpidae-Desmaninae **Nombre común**: Desmán o rata almizclera **Localidad**: Pirineos catalanes **Descripción:** escultura a tamaño real esculpida en arcilla por el Dr. Julio Pitarch **Dimensión ejemplar:** 18 cm. altura y 9 cm. anchura. **Sigla museo, colección y entidad:** MUVHNZJ0310, Colección CCNN Padre Ignacio Sala S.J. (Jesuitas) del Museo de la Universitat de Valencia de Historia Natural **Realización recreación:** Julio Pitarch Reig (1986) **Técnica digitalización / modelo:** fotogrametría, cámara sony DSC HX60 **Software empleado:** photoscan **Parámetros software:** modo fijo con plataforma giratoria, calidad alta **Archivo 3D:** obj 12,4 textura jpg 10,5 MB **Autor fotografías:** Guillermo Rodero (alumno trabaJo fin de máster 2020) **Autor fotogrametría**: Jose A. Villena **Cita ejemplar:** modelo 3D colección "Padre Ignacio Sala S.J." del Museo de la Universitat de Valencia de Historia Natural Source: Objaverse 1.0 / Sketchfab
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