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artículo
La taricaya, Podocnemis unifilis, es una tortuga acuática de la Amazonía que se ha convertido en especie bandera a nivel nacional y principalmente en Madre de Dios. Pese a eso, está sometida a una presión de caza muy alta debido al aprovechamiento de sus huevos para venta y autoconsumo. Con el objetivo de enfocar esfuerzos que ayuden a su conservación, se estudió el estado poblacional de esta especie en el río Tahuamanu, Madre de Dios. De julio a septiembre, por conteo de asoleadoras, se registró un total de 343 detecciones de 895 individuos, con una abundancia relativa de 1,11 ind./km recorrido (DE = 0,65, EE = 0,15). Además, se estimó una probabilidad de uso de playas por la especie de Ψ = 0,78 (EE = 0,06) (que representa el 78% de ocupación de las playas del río Tahuamanu), y adicionalmente, se evidenció su preferencia por playas grandes y con pendiente. Finalmente, se r...
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artículo
The taricaya, Podocnemis unifilis, is an aquatic turtle from the Amazon that hasbecome a flagship species at the national level and mainly in Madre de Dios. Despite this, it is subject to very high hunting pressure due to the use of its eggs for sale and self-consumption. In order to focus efforts that help its conservation, the population status of this species was studied in the Tahuamanu river, Madre de Dios. From July to September, by counting sunbathers, a total of 343 detections of 895 individuals were recorded, with a relative abundance of 1.11 ind./km traveled (SD = 0.65, SE = 0.15). In addition, a probability of beach use by the species of Ψ = 0.78 (SE = 0.06) was estimated (which represents 78% of occupation of the beaches of the Tahuamanu River), and additionally, its preference for large and sloping beaches. Finally, a total of 275 nests were recorded, being in the upper bas...
3
artículo
The Yellow-spotted river turtle (Podocnemis unifilis) and the Geoffroy's side-necked turtle (Phrynops geoffroanus) represent species with high environmental and economic value. To assess the status of their populations, the abundance index (AI) was estimated through 20 aquatic transects of 10 km in length in three sectors: Alto Purús National Park (PNAP), Purús Communal Reserve (RCP) and Buffer Zone (communal territory adjacent to the RCP). 737 records were obtained with 2335 individuals sighted for Yellow-spotted river turtle (taricaya) and only 17 records with 25 individuals sighted for Geoffroy's side-necked turtle (teparo). The AI of the taricaya for CPR was 3.9 ind/km traveled (SE = 0.6). A greater AI could be evidenced in the subsectors within the PNAP and progressively lower AI in the sectors of the Buffer Zone (ZA) of the RCP. These results value the importance of protected nat...
4
artículo
The Yellow-spotted river turtle (Podocnemis unifilis) and the Geoffroy's side-necked turtle (Phrynops geoffroanus) represent species with high environmental and economic value. To assess the status of their populations, the abundance index (AI) was estimated through 20 aquatic transects of 10 km in length in three sectors: Alto Purús National Park (PNAP), Purús Communal Reserve (RCP) and Buffer Zone (communal territory adjacent to the RCP). 737 records were obtained with 2335 individuals sighted for Yellow-spotted river turtle (taricaya) and only 17 records with 25 individuals sighted for Geoffroy's side-necked turtle (teparo). The AI of the taricaya for CPR was 3.9 ind/km traveled (SE = 0.6). A greater AI could be evidenced in the subsectors within the PNAP and progressively lower AI in the sectors of the Buffer Zone (ZA) of the RCP. These results value the importance of protected nat...