2026-06-27T15:57:15Zhttps://docta.ucm.es/rest/oai/request
oai:docta.ucm.es:20.500.14352/968382024-09-05T00:03:31Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense author Rodríguez Recio, Maríano author Mathieu, Renaud author Denys, Paul author Sirguey, Pascal author Seddon, Philip editor Clarke, Ronan 2024-01-31T07:53:36Z 2024-01-31T07:53:36Z 2011 Recio MR, Mathieu R, Denys P, Sirguey P, Seddon PJ (2011) Lightweight GPS-Tags, One Giant Leap for Wildlife Tracking? An Assessment Approach. PLoS ONE 6(12): e28225. doi:10.1371/journal.pone.0028225 1932-6203 10.1371/journal.pone.0028225 https://hdl.handle.net/20.500.14352/96838 https://doi.org/10.1371/journal.pone.0028225 Recent technological improvements have made possible the development of lightweight GPS-tagging devices suitable to track medium-to-small sized animals. However, current inferences concerning GPS performance are based on heavier designs, suitable only for large mammals. Lightweight GPS-units are deployed close to the ground, on species selecting micro-topographical features and with different behavioural patterns in comparison to larger mammal species. We assessed the effects of vegetation, topography, motion, and behaviour on the fix success rate for lightweight GPS-collar across a range of natural environments, and at the scale of perception of feral cats (Felis catus). Units deployed at 20 cm above the ground in sites of varied vegetation and topography showed that trees (native forest) and shrub cover had the largest influence on fix success rate (89% on average); whereas tree cover, sky availability, number of satellites and horizontal dilution of position (HDOP) were the main variables affecting location error (±39.5 m and ±27.6 m before and after filtering outlier fixes). Tests on HDOP or number of satellites-based screening methods to remove inaccurate locations achieved only a small reduction of error and discarded many accurate locations. Mobility tests were used to simulate cats' motion, revealing a slightly lower performance as compared to the fixed sites. GPS-collars deployed on 43 cats showed no difference in fix success rate by sex or season. Overall, fix success rate and location error values were within the range of previous tests carried out with collars designed for larger species. Lightweight GPS-tags are a suitable method to track medium to small size species, hence increasing the range of opportunities for spatial ecology research. However, the effects of vegetation, topography and behaviour on location error and fix success rate need to be evaluated prior to deployment, for the particular study species and their habitats. eng Attribution-NonCommercial-NoDerivatives 4.0 International LightweightGPS-Tags, OneGiant Leap for Wildlife Tracking? An Assessment Approach journal article 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URL https://docta.ucm.es/bitstreams/15198359-5445-4914-acda-230c352971ac/download File MD5 51cac6693986380d6e67f2311597ed72 334337 application/pdf LightweightGPS-Tags.pdf