[MARMAM] Abundance of the bottlenose dolphin (Tursiops truncatus) and proposal for a priority area of conservation in the Southern Gulf of Mexico marine ecoregion

Serrano Solis Arturo arserrano at uv.mx
Sat Jun 17 08:32:48 PDT 2023


Dear Colleagues,



We are pleased to announce our new publication:



Coronel-Montigel, M., Serrano, A., Basañez-Muñoz, A., Ceresa, I. & Alcántar, A. (2023). Abundance of the bottlenose dolphin (Tursiops truncatus) and proposal for a priority area of conservation in the Southern Gulf of Mexico marine ecoregion. Aquatic Conservation: Marine and Freshwater Ecosystems, 1–14. https://doi.org/10.1002/ aqc.3974



Abstract 1. Demographic studies are crucial for assessment of the status of dolphin populations and their relationship with anthropogenic activities as a way to make effective management and conservation decisions. In the Gulf of Mexico, the interaction between bottlenose dolphins (Tursiops truncatus) and anthropogenic activities merits special attention. The objective of this study was therefore to determine the annual abundance and area of preference of the coastal population of T. truncatus (period 2005–2020), and to delimit a priority area for its conservation in the Southern Gulf of Mexico marine ecoregion. 2. Abundance was calculated using the Jolly–Seber model and habitat preference was determined per climatic season (dry, rainy and cold northerly fronts) as a function of environmental variables. The association between anthropogenic activities and dolphin distribution was studied and the priority area delimited using potential distribution models. 3. Off the coasts of Tuxpan and Tamiahua, the results show that the dolphin population numbered 306 individuals (95% CI: 162.97; 607.33) and has remained relatively constant over time. 4. The pattern of dolphin distribution varied between seasons, possibly owing to changes in food availability. However, river mouths and lagoons are of importance to T. truncatus throughout the year. On the other hand, fishing and maritime traffic can potentially affect this species. 5. Finally, this study shows that the delimitation of sites of importance for T. truncatus is a strategic tool with which to help conserve the species and associated coastal ecosystems.



The article can be found at the following link:  https://onlinelibrary.wiley.com/share/author/HWBTTT8UMNHDPD38A37M?target=10.1002/aqc.3974



Feel free to contact me to request a pdf or for any question regarding our work at: arserrano at uv.mx<mailto:arserrano at uv.mx>



Regards,


[cid:8becafb2-fc97-4ffd-b3ce-b66dcc242914]

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