Results 91 to 100 of about 48,587 (185)

Social and environmental drivers of foraging behavior in Guiana dolphins (Sotalia guianensis) in Northeastern Brazil

Frontiers in Marine Science
Understanding how environmental and anthropogenic factors influence foraging behavior is essential to assess the vulnerability of coastal dolphin populations.
Juliana Lopez Marulanda, Juliana Lopez Marulanda, Rose Emilia Maceido de Quieroz, Flávio Jose De Lima Silva   +3 more
doaj   +1 more source

Histological heart lesions resembling myocardial dysplasia in a Guiana Dolphin (Sotalia guianensis) necropsied on the coast of Ceará, Brazil

Brazilian Journal of Veterinary Pathology
Myocardial dysplasia, also known as arrhythmogenic right ventricular cardiomyopathy (ARVC), is a degenerative condition characterized by the progressive replacement of the myocardium by fibroadipose tissue, impairing cardiac electrical conduction and ...
Fernanda Menezes de Oliveira e Silva, João Ricardo Sales Rocha Filgueiras, Vitor Luz Carvalho   +2 more
doaj   +1 more source

UNUSUAL RESPONSES OF GUIANA DOLPHINS (SOTALIA GUIANENSIS) TO THE PRESENCE OF SWIMMERS AND BOATS

Arquivos de Ciências do Mar
The Guiana dolphin, Sotalia guianensis, classified as 'Vulnerable' to extinction in Brazil, exhibits a particularly small population within Mucuripe embayment, Ceará state, Northeastern Brazil. This study investigated their behavioral responses from October 2019 to May 2021 as part of the environmental licensing requirements for dredging and land ...
Livio Moreira de Gurjão, Cinthya Leite de Oliveira, Heideger Lima do Nascimento, Vitor Luz Carvalho, Ana Carolina Oliveira de Meirelles   +4 more
openaire   +1 more source

The 1924 Workers' Incident at Ruimveldt British Guiana and the development of working people's organisation [PDF]

In 1924 stevedores and other categories of dock workers in Georgetown, British Guiana, went on strike in response to a call by the British Guiana Labour Union (BGLU).
Wilson, Silvius E. (Silvius Egerton)
core  

Overlapping use of areas in a marine wildlife reserve on the northeastern coast of Brazil

Turismo y Sociedad
En muchas áreas marinas protegidas de Brasil, el turismo ocurre sin planificación, como en la Reserva de Fauna Costera de Tibau do Sul (REFAUTS). En REFAUTS, los turistas utilizan el área de dos pequeñas bahías para realizar diferentes actividades y ...
Diana Carvalho De Freitas, Josivânia Emanuelly Azevedo Dos Santos, Maria Mayara Dos Santos Silva, Gessica Rafaelly Dantas Da Silva, Vitor De Oliveira Lunardi, Diana Gonçalves Lunardi   +5 more
doaj   +1 more source

Parental care behavior in the Guiana dolphin, Sotalia guianensis (Cetacea: Delphinidae), in Ilha Grande Bay, southeastern Brazil

Zoologia (Curitiba), 2013
Parental care is any form of parental behavior that increases offspring fitness. To the authors' knowledge, this study is the first to analyze the intensity of parental care in the Guiana dolphin, Sotalia guianensis (van Bénéden, 1864). The objectives of
Rodrigo H. O. Tardin, Mariana A. Espécie, Liliane Lodi, Sheila M. Simão   +3 more
doaj  

NURSERY AREA FOR THE THREATENED GUIANA DOLPHIN, SOTALIA GUIANENSIS, ON THE NORTHEAST COAST OF BRAZIL

International Journal of Conservation Science
Cetacean calves are considered fragile and vulnerable, especially in the first year of life. To guarantee safety and increase the likelihood of survival, females with calves use habitats with unique characteristics, called nursery areas. In the present study, we investigated whether the Guiana dolphin Sotalia guianensis, considered a threatened species
Gessica Rafaelly Dantas da SILVA, Maria Gabriela Fernandes Martins de MEDEIROS, Vitor de Oliveira LUNARDI, Diana Gonçalves LUNARDI   +3 more
openaire   +1 more source

Managing wildlife-based tourism: Edging slowly towards sustainability? [PDF]

, 2008
It is increasingly acknowledged that cetacean-based tourism may not be as low in impact as many hope or presume, and that any long term and systematic human interactions with populations of wild animals need to be rigorously monitored and carefully ...
Higham, J.E.S., Bejder, L.
core  

Lateralized behavior in Guiana dolphins, Sotalia guianensis, at Pipa Beach, RN, Brazil [PDF]

Brazilian Journal of Biology, 2013
Casagrande, T., Lunardi, VO., Lunardi, DG.   +2 more
openaire   +6 more sources

The Dolphin.

"An ecclesiastical review for educated Catholics."Mode of access: Internet.Supersedes: the Dolphin, issued in 1901 with different numbering ...

core