Results 31 to 40 of about 385 (155)

First Non-Invasive Monitoring of Fecal Steroids in Greater Caribbean Manatees (Trichechus manatus manatus). [PDF]

Zoo Biol
This study established the first fecal hormonal reference values (P4/E2) for the Greater Caribbean manatee. Using non‐invasive ELISA, the authors found no significant differences between mature and immature females, highlighting that long‐term monitoring and ultrasounds are essential to fully understand their complex reproductive cycles.
Bermúdez-Cardona V, Sánchez-Okrucky R, Sandoval-Zárate JA, Castelblanco-Martínez N.   +3 more
europepmc   +2 more sources

Hunting and hunters of the Amazonian manatee in a Brazilian protected area

Latin American Journal of Aquatic Mammals, 2022
The Amazonian manatee has been hunted since antiquity and is part of local culture and tradition. Although protected by law, manatees continue to be hunted for food and trade. In most regions where the species occurs there are no reliable data on current hunting pressure.
Jorge Calvimontes, Miriam Marmontel
openalex   +3 more sources

Ultrasonographic Ocular Biometry of the Greater Caribbean Manatee (Trichechus manatus manatus). [PDF]

Vet Ophthalmol
ABSTRACT This study aimed to characterize the ocular biometry of the Trichechus manatus manatus applying B‐mode ultrasonography across different age groups. Twenty‐two animals were assessed employing a portable ultrasound device equipped with a linear transducer. Five ocular parameters were assessed: corneal thickness (CT), anterior chamber depth (ACD),
de Oliveira REM, Attademo FLN, Oliveira RKM, Dos Santos RP, de Oliveira Luna F, Mignucci-Giannoni AA, Cabrias-Contreras LJ, de Sá FB, Silva FJL, Freire ACDB, de Oliveira MF.   +10 more
europepmc   +2 more sources

Urinary parameters of Trichechus inunguis (Mammalia, Sirenia): reference values for the Amazonian Manatee [PDF]

Brazilian Journal of Biology, 2010
The Amazonian manatee, Trichechus inunguis (Natterer 1883) is endemic to the Amazon Basin and is currently considered a vulnerable species. In order to establish normality ranges of urinary parameters to help monitor the health of this species in ...
TMA. Pantoja, FCW. Da Rosas, VMF. Dos Silva, AMF. Santos   +3 more
doaj   +4 more sources

Advances in the knowledge of the biology and conservation of the Amazonian manatee (Trichechus inunguis)

Latin American Journal of Aquatic Mammals, 2023
The last relevant work that reviewed the biological and conservation aspects of the Amazonian manatee (Trichechus inunguis) was published almost 30 years ago. In these three decades, scientific knowledge about the species has advanced substantially. This review article updates knowledge about the various biological and conservation aspects of Amazonian
Rodrigo de Souza Amaral, Miriam Marmontel, Diogo Alexandre de Souza, Camila Carvalho de Carvalho, Gisele de Castro Maciel VALDEVINO, Michelle Gil Guterres-Pazin, Daniela Magalhães Drummond de Mello, Danielle Lima, Hilda Chávez-Pérez, Vera da Silva   +9 more
openalex   +3 more sources

Interdependencies between Indigenous peoples, local communities, and freshwater systems in a changing Amazon. [PDF]

Conserv Biol
Abstract Globally, Indigenous peoples and local communities (IPs and LCs) are fighting for the recognition of their knowledge and decision‐making authority in freshwater conservation. In the Amazon, decision‐making around freshwater management and conservation has often overlooked Indigenous and local knowledge (ILK) and the connections between ...
Athayde S, Utsunomiya R, Victoria-Lacy L, Beveridge C, Jenkins CN, Laufer J, Heilpern S, Olivas P, Anderson EP.   +8 more
europepmc   +2 more sources

Observation of a potential mating herd in Amazonian manatee [PDF]

Latin American Journal of Aquatic Mammals, 2018
We report what is believed to be the first description of a mating herd among Amazonian ...
Camila Carvalho de Carvalho, Diogo Maia Gräbin, Miriam Marmontel   +2 more
openalex   +2 more sources

Commercial feed acceptance of diets for Amazonian manatees (Trichechus inunguis) in captivity

Revista Brasileira de Higiene e Sanidade Animal, 2018
Paula de Sousa Barbosa, Vera Maria Ferreira da Silva, José Anselmo d’Affonsêca Neto, Geraldo Pereira Pereira, Alen Henrique Passos Maduro   +4 more
openalex   +4 more sources

Placentation in the Amazonian manatee (Trichechus inunguis) [PDF]

Reproduction, Fertility and Development, 2008
Evidence from several sources supports a close phylogenetic relationship between elephants and sirenians. To explore whether this was reflected in similar placentation, we examined eight delivered placentae from the Amazonian manatee using light microscopy and immunohistochemistry.
Carter, Anthony M., Miglino, Maria Angelica, Ambrósio, Carlos Eduardo, dos Santos, Tatiana Carlesco, Weber Rosas, Fernando Cesar, D'Affonsêca Neto, José Anselmo, Lazzarini, Stella Maris, Carvalho, Ana Flávia de, Silva, Vera Maria Ferreira da   +8 more
openaire   +4 more sources

Polling the Public to Select Flagship Species for Tourism and Conservation-A 'Big Five' for the Peruvian Amazon? [PDF]

Ecol Evol
Flagship species are used to promote conservation and tourism, but selecting species purely for prescribed appealing characteristics may overlook unique flagships or homogenise selections. A strategy of polling the public can more directly identify existing preferences for species for marketing.
Recharte M, Lee PC, Vick SJ, Bowler M.
europepmc   +2 more sources