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| one publication added to basket [353174] |
Drivers of spatial behaviour of the endangered undulate skate, Raja undulata
Leeb, K.; Villegas-Rios, D.; Mucientes, G.; Garci, M.; Gilcoto, M.; Alonso-Fernández, A. (2021). Drivers of spatial behaviour of the endangered undulate skate, Raja undulata. Aquat. Conserv. 31(12): 3466-3479. https://dx.doi.org/10.1002/aqc.3714
In: Aquatic Conservation: Marine and Freshwater Ecosystems. Wiley: Chichester; New York . ISSN 1052-7613; e-ISSN 1099-0755
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| Trefwoorden |
Raja undulata Lacepède, 1802 [WoRMS]; Rajidae de Blainville, 1816 [WoRMS]
Marien/Kust |
| Author keywords |
acoustic telemetry; diel patterns; home range; Rajidae; seasonal aggregation; spatial ecology |
| Auteurs | | Top |
- Leeb, K.
- Villegas-Rios, D.
- Mucientes, G.
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- Garci, M.
- Gilcoto, M.
- Alonso-Fernández, A.
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| Abstract |
- Knowledge of the spatial behaviour of aquatic living resources is essential to assess their vulnerability to environmental and anthropogenic stressors and inform efficient management strategies.
- Elasmobranchs are particularly vulnerable to exploitation. Within this group of fish, the implementation of species-specific conservation actions has been challenging due to insufficient information on their biology and ecology.
- In this study, acoustic telemetry was used to investigate the seasonal variation, diel patterns, and biological and sea temperature effects on the spatial behaviour of the endangered undulate skate, Raja undulata, within a marine protected area in north-west Spain.
- Movement and behaviour were mainly driven by diel and seasonal patterns. The presence of the tagged skates in the study area peaked during summer. Space use was highest in late spring and activity was lowest during summer. Skates used more space and were more active during night-time as compared to daytime, when they stayed in sandy bottoms. Sea temperature had a negligible positive effect on activity.
- Our work represents an important contribution to the understanding of the ecology of this endangered, yet commercially important skate in Europe, and provides important insights for the implementation of spatial and temporal restrictions aimed at reducing mortality and bycatch of this species.
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