Results 21 to 30 of about 935 (159)

Manatee calf call contour and acoustic structure varies by species and body size [PDF]

Scientific Reports, 2022
Vocal activity and signal characteristics of mammals are driven by several factors that result in both stability and plasticity over multiple time scales.
Beth Brady, Eric Angel Ramos, Laura May-Collado, Nelmarie Landrau-Giovannetti, Natalija Lace, Maria Renee Arreola, Gabriel Melo Santos, Vera Maria Ferreira da Silva, Renata S. Sousa-Lima   +8 more
doaj   +2 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

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 Amaral, Miriam Marmontel, Diogo De Souza, Camila De Carvalho, Gisele Valdevino, Michelle Guterres-Pazin, Daniela De Mello, Danielle Lima, Hilda Chávez-Pérez, Vera Da Silva   +9 more
openaire   +2 more sources

MANEJO Y REHABILITACIÓN DEL MANATÍ AMAZÓNICO (Trichechus inunguis) EN CAUTIVERIO EN EL PERÚ

Ciencia Amazónica (Iquitos), 2011
La caza furtiva de adultos y la comercialización de crías de manatí amazónico o vaca marina Trichechus inunguis en el Perú, especialmente en la selva baja del departamento de Loreto, ha originado la necesidad de contar con normas técnicas apropiadas para
Carlos Marcial Perea Sicchar, Luis Javier Velásquez Varela, Juan Sánchez Babilonia, Maribel Espinoza Azan, Daryl Lee Richardson, Luis Sigler   +5 more
doaj   +5 more sources

Hipoxia e hipercapnia no controle respiratório do peixe-boi da Amazônia (Trichechus inunguis) [PDF]

Acta Amazonica, 1981
Resumo As respostas estabilizadas à hipoxia e hipercapnia foram estudadas em peixes-bois da Amazônia (Trichechus inunguis) em mergulhos livres. Respirando o ar atmosférico, os peixes-bois apresentavam um O2 alveolar de término de mergulho de 60 mmHg e um
G. J. Gallivan
doaj   +2 more sources

Propriedades funcionais de hemoglobina e sangue completo em um mamífero aquático, o peixe-boi amazônico (Trichechus inunguis) [PDF]

Acta Amazonica, 1978
Resumo O hematócrito (43%) e a capacidade de ligação de O (18,8 ml O2 100 ml. sangue) de Trichechus inunguis são baixos ao serem comparados com outros mamíferos mergulhadores, mas são similares aos de mamíferos terrestres.
Martha Farmer, Roy E. Weber, Joseph Bonaventura, Robin C. Best, Daryl Paul Domining   +4 more
doaj   +3 more sources

Ecology, Distribution, Harvest, and Conservation of the Amazonian Manatee Trichechus inunguis in Ecuador [PDF]

Biotropica, 1986
Recent summaries of the distribution of the Amazonian manatee Trichechus inunguis record specimens from much of the Central Amazon Basin in Brazil, eastern Peru, and extreme southeastern Colombia, but not Ecuador. During October and November of 1983 we searched for manatees in the Rio Aguarico and Rio Cuyabeno systems of Napo Province, eastern Ecuador.
Timm, Robert M., Albuja V., Luis, Clauson, Barbara L.   +2 more
core   +4 more sources

Analyses of historical documents reveal past trends of exploitation of manatees (Trichechus inunguis) in the Amazon Basin (16th-19th centuries) [version 1; peer review: 2 approved] [PDF]

Open Research Europe
The West Indian manatee (Trichechus manatus) and the Amazonian manatee (Trichechus inunguis) have been exploited by different societies from ancient times to the present.
Cristina Brito, Ana Catarina Garcia, Jaime Silva, John Nicholls, Nina Vieira   +4 more
doaj   +2 more sources

Survey of vulnerable Amazonian manatees using environmental DNA (eDNA): A method for survey in remote field settings. [PDF]

PLoS ONE
The only exclusively freshwater lineage of Sirenia, the Amazonian manatee (Trichechus inunguis) is listed by the IUCN as vulnerable, with populations projected to decline further during the coming decades.
Kaitlyn Romoser, Shizuka Hashimoto, Nasrah M C Hamdan, Leonardo Sena, Miriam Marmontel, Tomas Hrbek, Izeni P Farias, Kirk O Winemiller   +7 more
doaj   +2 more sources

Detection of infection with Leptospira spp. in manatees (Trichechus inunguis) of the Peruvian Amazon [PDF]

Latin American Journal of Aquatic Mammals, 2015
The Amazonian manatee (Trichechus inunguis) is an aquatic mammal (Family Trichechidae) that inhabits freshwater environments. It is endemic to the Amazon Basin, and occurs from Marajó Island (at the mouth of the Amazon River in Brazil) to the headwaters of the floodplain in Colombia, Peru and Ecuador.
Patrick Mathews Delgado, Nofre Sanchez Perea, Claudia Biffi Garcia, Carmen Rosa García Davila   +3 more
openaire   +2 more sources