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Machuca-Coronado, O. Corona-Figueroa, M. F.
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2019 |
El manatí antillano Trichechus manatus manatus (Sirenia: Trichechidae) en Guatemala: amenazas y procesos de conservación. Pp. 188-200 in: Kraker, C., Calderón, A. P. & Cabrera, A. A. (Eds.). Perspectivas de investigación sobre los mamíferos silvestres de Guatemala.
Guatemala, ASOGUAMA.
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Corona-Figueroa, M. F.; Ríos, N.; Castelblanco-Martínez, D. N.; Vichez-Mendoza, S.; Delgado-Rodriguez, D.; Niño-Torres, C. A.
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2020 |
Searching for manatees in the dark waters of a transboundary river between Mexico and Belize: a predictive distribution model.
Aquat. Ecol. https://doi.org/10.1007/s10452-020-09810-9 Nov. 5, 2020.
–ABSTRACT: Antillean manatees in the Hondo River have been recorded from aerial and aquatic surveys, and interviews. However, these studies have been conducted only in the lower riverbed, leaving a gap of information about their presence and habitat characteristics in the rest of the river. We characterize and determine the ecohydrological variables influencing the presence and habitat use of manatees in the Hondo River. During 2017 and 2018, 30 boat-based field trips were conducted in five consecutive transects of 15 km each. A mixed methodology was used for manatee detection: side-scan sonar, direct sightings, and feces collection. Ecohydrological variables were measured in all transects and fixed points. The survey effort was 136.5 h. We recorded 123 manatees: 47% were observations during the boat-based surveys, 29% were at fixed points, and 24% were opportunistic. Additionally, 10 manatee feces were found. The first transect of the river showed the highest relative abundance for the two sampled seasons (windy?=?0.27 manatees/km, dry?=?0.55 manatees/km). According to the Poisson model, the estimated population was equal to 51 manatees. A random forest model suggested high probability of observing manatees in the first transects and decreasing at the upstream. The ecohydrological variables influencing the detection of manatees were conductivity, transparency, depth, and proximity to the Four Mile lagoon. The first two transects have ecohydrological characteristics that make a benign environment for refuge, rest and feeding of manatees. We recommend carrying out conservation efforts in the first transects, such as protection and the regulation of boat transit.
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Corona-Figueroa, M.F.; Cifuentes-Espinosa, J.A.,
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2024 |
Perceptions on the distribution, threats, strandings, and conservation of the Antillean manatee (Trichechus manatus manatus) in the Rio Dulce National Park, Izabal, Guatemala.
Latin American Journal of Aquatic Mammals.
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Mignucci-Giannoni, A. A,; Gonzalez-Socoloske, D,; Alvarez-Aleman, A,; Aquino, J,; Caicedo-Herrera, D,; Castelblanco-Martinez, D.N,; Claridge, D,; Corona-Figueroa, M.F,; Debrot, A. O,; de Thoisy, B.; Espinoza-Marin, C.; Galves, J.A,; Garcia-Alfonso E.; Khan, J. A.; Kiszka, J. J.; Luna, F. O.; Marmontel, M,; Olivera-Gomez, L. D.; O'Sullivan, C.; Powell, J. A.; Pugibet-Bobea, E.; Roopsind, I.; Silva, C. J.
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2024 |
What's in a name? Standardization of vernacular names for Trichechus manatus.
Caribbean Naturalist 98:1-17. 3 figs. 2 tables.
–Proposes new vernacular names in English, Spanish, French, Dutch and Portuguese for Trichechus manatus and its two subspecies. With 24 co-authors from every country where the American manatee lives.
ABSTRACT - Trichechus manatus is one of 3 recognized extant species of manatees of the mammalian Order Sirenia. Currently, it is known by various vernacular names, none of which are descriptive of its biology and known distribution. This lack of standardization has led to confusion and miscommunication, hindering conservation efforts for this species. We propose standardizing the vernacular names used to refer to the species and its 2 subspecies based on appropriate geographical characterization in English, Spanish, French, Dutch, and Portuguese, respectively: "American Manatee", "Manati de las Americas", "Lamantin d'Amerique", "Amerikaanse Lamantijn", and "Peixe-boi das Americas" for T. manatus; "Florida Manatee", "Manati de la Florida", "Lamantin de Floride", "Florida Lamantijn", and "Peixe-boi da Florida" for T. m. latirostris; and "Greater Caribbean Manatee", "Manati del Gran Caribe", "Lamantin des Grandes Caraibe", "Groter Caribische Lamantijn", and "Peixe-boi do Grande Caribe" for T. m. manatus. By establishing clear, universally recognized, and standardized vernacular names, we foster a sense of connection and scientific communication responsibility, improving public awareness and understanding of these animals and ultimately aiding in their conservation.
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Bibliography and Index of the Sirenia and Desmostylia 