Results 41 to 50 of about 3,049 (188)

Etnoecologia e captura acidental de golfinhos (Cetacea: Pontoporidae e Delphinidae) na Baía da Babitonga, Santa Catarina

open access: yesDesenvolvimento e Meio Ambiente, 2003
Este trabalho faz uma análise etnoecológica da captura acidental de golfinhos das espécies Pontoporiablainvillei e Sotalia guianensis pela pesca artesanal na Baía da Babitonga (Santa Catarina).
Luciana Pinheiro, Marta Cremer
doaj   +1 more source

Aquatic Wildmeat Consumption of Guiana Dolphins (Sotalia guianensis) in Lake Maracaibo System, Venezuela

open access: yesFrontiers in Marine Science, 2021
In many regions of the world, the use of cetaceans as bait or protein source has been reported. In most cases the individuals are from bycatch but also from intentionally killed animals.
Yurasi Briceño   +4 more
doaj   +1 more source

Fatal asphyxia due to laryngeal displacement by large-sized prey in a Guiana dolphin (Sotalia guianensis), Brazil [PDF]

open access: yesCiência Rural, 2020
: The Guiana dolphin (Sotalia guianensis) is a small odontocete distributed from Santa Catarina state, Brazil, to Honduras. Although it is currently considered “near threatened” by the International Union for Conservation of Nature, considerable ...
Daniela Bueno Mariani   +6 more
doaj   +1 more source

Review of the occurrence and management of Sotalia bycatch in Central and South American coastal and riverine fisheries: priorities for immediate action [PDF]

open access: yes, 2006
Despite the fact that cetacean bycatch has been acknowledged as the “greatest immediate and well documented threat to the survival of cetacean species and populations… …progress at reducing the scale and conservation impact of cetacean bycatch has been ...
Bolaños-Jimenez, J.   +3 more
core  

Heavy metals in kidney tissues of Franciscana dolphin, Pontoporia blainvillei (Cetacea: Pontoporiidae), and their relationship with biological parameters [PDF]

open access: yes, 2011
En este estudio se determinó los niveles de metales pesados (Cd, Pb, Zn, Cu, Cr y Ni) en el tejido renal del delfín franciscana, Pontoporia blainvillei, y se estableció la influencia de los parámetros ecológicos y biológicos sobre la bioacumulación de ...
Botté, Sandra Elizabeth   +4 more
core   +1 more source

Fishing activity in Northern Rio de Janeiro State (Brazil) and its relation with small cetaceans

open access: yesBrazilian Archives of Biology and Technology, 1998
Research on fishing activity at Atafona village, in Northern Rio de Janeiro, Brazil (21°35'S), was carried out between 1987-96 for the purpose of relating it to the accidental capture of small cetaceans and of estimating the relationship between fishing ...
Ana Paula Madeira Di Beneditto   +2 more
doaj   +1 more source

Miscellaneous skin lesions of unknown aetiology in cetaceans from South America. Scientific Committee document SC/60/DW4, International Whaling Commission, June 2008, Santiago, Chile [PDF]

open access: yes, 2008
We report on miscellaneous skin diseases or syndromes of unknown aetiology including whitish, velvety lesions (WVL, often associated with unrelated skin injuries, scars and tooth rakes), large, rounded lesions (LRL, large to very large lesions with an ...
Crespo, E.   +12 more
core  

Mitochondrial DNA diversity, differentiation and phylogeography of the South American riverine and coastal dolphins Sotalia fluviatilis and Sotalia guianensis.

open access: yesLatin American Journal of Aquatic Mammals, 2010
Here we consider the phylogeography and population structure of the South American coastal and riverine dolphins, Sotalia guianensis and Sotalia fluviatilis, based on samples (n = 76) collected across more than 9000km of the species distribution.Phylogenetic reconstruction of 31 distinct haplotypes based on a combined analysis of two mitochondrial gene
Susana Caballero   +10 more
openaire   +2 more sources

Toxoplasmosis in a Guiana dolphin (Sotalia guianensis) from Paraná, Brazil

open access: yesVeterinary Parasitology, 2013
This study describes toxoplasmosis in a by caught Guiana dolphin (Sotalia guinensis) from Paranaguá Bay, Paraná, Brazil. Interstitial pneumonia, multisystemic arteritis, multifocal adrenalitis and hepatitis were the primary lesions observed. These tissues had moderate to severe necrosis and mononuclear cells infiltration usually surrounded by ...
Gonzáles-Viera, Omar Antonio   +7 more
openaire   +4 more sources

Posterior Respiratory Apparatus of Inia geoffrensis and Sotalia fluviatilis: Structure and Ultrastructure [PDF]

open access: yesInternational Journal of Morphology, 2017
SUMMARY: This study aimed to characterize the structures of the posterior respiratory system of two species of river dolphins: Inia geoffrensis and Sotalia fluviatilis. The respiratory tract of both species was evaluated using macro and microscopic techniques.
Santos Júnior, Luzivaldo Castro dos   +5 more
openaire   +2 more sources

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