Results 31 to 40 of about 1,631 (164)

Morphology, morphometry and ultrastructure of the Amazonian manatee (Sirenia: Trichechidae) spermatozoa

open access: yesZoologia (Curitiba), 2010
This study describes the morphological, morphometric and ultrastructural characteristics of the Amazonian manatee Trichechus inunguis (Natterer, 1883) spermatozoon. The spermatozoa were obtained from a urine sample of an adult T.
Rodrigo S. Amaral   +4 more
doaj   +1 more source

Infectious and Non-Infectious Diseases in Manatees in Brazil [PDF]

open access: yes, 2020
Background: Antillean manatee (Trichechus manatus) and Amazonian manatee (Trichechus inunguis) are the two species of manatees that occur in Brazil, and both are endangered.
Attademo, Fernanda Loffler Niemeyer   +3 more
core   +1 more source

Aspectos Morfológicos do cordão umbilical de búfalos (Bubalus bubalis) [PDF]

open access: yes, 2009
Buffalo is an important livestock resource, with a great participation in agricultural systems, providing milk, meat, and work power. Umbilical cord is responsible for maternal-fetal nutrients exchange during pregnancy, and its alterations can compromise
BRANCO, Érika   +8 more
core   +2 more sources

Manatee (Trichechus manatus) vocalization usage in relation to environmental noise levels [PDF]

open access: yes, 2009
Author Posting. © Acoustical Society of America, 2009. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution.
Brumm H.   +17 more
core   +2 more sources

Empty forest or empty rivers? A century of commercial hunting in Amazonia [PDF]

open access: yes, 2016
The Amazon basin is the largest and most species-rich tropical forest and river system in the world, playing a pivotal role in global climate regulation and harboring hundreds of traditional and indigenous cultures.
Albert   +46 more
core   +1 more source

The myology of the Amazonian Manatee, Trichechus inunguis (Natterer) (Mammalia: Sirenia) [PDF]

open access: yesActa Amazonica, 1978
: The muscles of the Amazonian manatee are described and compared with those of other manatees and the dugong. Maps of muscle attachments and data on weights of muscles are included. The manatee species differ in the forms of the mm.
Daryl P. Domning
doaj   +1 more source

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

open access: yesActa 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   +1 more source

Estimating Florida manatee (Trichechus manatus latirostris) abundance using passive acoustic methods [PDF]

open access: yes, 2022
T.A.M.’s contribution was conducted under the ACCURATE project, funded by the U.S. Navy Living Marine Resources program (Contract No. N3943019C2176) with partial support by CEAUL (funded by FCT— Fundação para a Ciência e a Tecnologia, Portugal, through ...
Berchem, Cora   +2 more
core   +1 more source

Ecology, distribution, harvest, and conservation of the Amazonian manatee, Trichechus inunguis, in Ecuador [PDF]

open access: yes, 1986
Recientes sumarios de la distribución de los manaties amazónicos Trichechus inunguis registran especimenes de la mayor parte de la cuenca amazónica en Brasil, el oriente de Peru, y el suroriente de Colombia, pero no de Ecuador.
Albuja V., Luis   +2 more
core   +4 more sources

Chave para identificação de mamíferos da região amazônica brasileira com exceção dos quirópteros e primatas [PDF]

open access: yes, 1982
Apresenta-se uma chave para identificar os mamíferos encontrados na região amazônica brasileira, excluídos os morcegos e macacos. Esta chave utiliza quantidade mínima de termos técnicos e poderá ser usada tanto por pessoas sem conhecimentos básicos, como
Peterson, Norman E., Pine, Ronald H .
core   +2 more sources

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