Results 1 to 10 of about 7,745 (156)

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

open access: yesVet 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   +10 more
europepmc   +2 more sources

Morphology of the Tympano-Periotic Complex in Stranded Odontocetes in Northeast Brazil. [PDF]

open access: yesJ Morphol
This study presents the morphological and morphometric characterization of the tympano‐periotic complex (TPC) in six odontocete species stranded along the northeastern coast of Brazil. A total of 57 TPCs were analyzed, revealing interspecific differences in key anatomical features and supporting taxonomic differentiation.
Colombini-Corrêa G   +5 more
europepmc   +2 more sources

Long-term trends of epibionts reflect Mediterranean striped dolphin abundance shifts caused by morbillivirus epidemics. [PDF]

open access: yesJ Anim Ecol
This original research piece demonstrates, through empirical and theoretical modelling approaches, that the epibionts of striped dolphins indicate dolphin abundance shifts caused by epidemics of dolphin morbillivirus (DMV). In addition, we provide the first SIR model to investigate the epidemiology of DMV in western Mediterranean striped dolphins ...
Ten S   +4 more
europepmc   +2 more sources

Modeling population effects of the Deepwater Horizon oil spill on a long-lived species. [PDF]

open access: yesConserv Biol, 2022
Abstract The 2010 Deepwater Horizon (DWH) oil spill exposed common bottlenose dolphins (Tursiops truncatus) in Barataria Bay, Louisiana to heavy oiling that caused increased mortality and chronic disease and impaired reproduction in surviving dolphins. We conducted photographic surveys and veterinary assessments in the decade following the spill.
Schwacke LH   +20 more
europepmc   +2 more sources

Vulnerability of marine megafauna to global at-sea anthropogenic threats. [PDF]

open access: yesConserv Biol
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
VanCompernolle M   +312 more
europepmc   +2 more sources

Hemisphere‐Level Comparison of Climate‐Driven Humpback Whale Breeding Migrations to the Eastern Pacific Off Costa Rica

open access: yesEcology and Evolution
This study evaluated humpback whale (Megaptera novaeangliae) occurrence off the Pacific coast of Costa Rica from 2001 to 2023, focusing on two Distinct Population Segments (DPSs), the Central America DPS and the Southeast Pacific DPS, which migrate from ...
Lili Pelayo‐González   +6 more
doaj   +2 more sources

Patterns of cetacean sighting distribution in the Pacific Exclusive Economic Zone of Costa Rica based on data collected from 1979-2001 [PDF]

open access: yesRevista de Biología Tropical, 2005
Nineteen species of cetaceans (families Balaenopteridae, Kogiidae, Physeteridae, Ziphiidae and Delphinidae) occur in the Costa Rican Pacific Exclusive Economic Zone (EEZ).
Laura May-Collado   +4 more
doaj   +2 more sources

Aquatic wild meat consumption of cetaceans in São Tomé and Príncipe (Gulf of Guinea)

open access: yesAnimal Biodiversity and Conservation, 2022
Consumo de carne de cetáceos silvestres en Santo Tomé y Príncipe (Golfo de Guinea) Se sabe relativamente poco sobre los cetáceos de Santo Tomé y Príncipe y, en los últimos años, se han descrito algunos episodios de captura incidental y consumo humano de ...
A. Nuno   +6 more
doaj   +1 more source

Turismo de observação de cetáceos no Brasil

open access: yesSustentabilidade em Debate, 2022
Este estudo visa investigar o turismo de observação de cetáceos no Brasil, a partir de um levantamento de suas áreas de ocorrência, espécies-chave e normas e regulamentos vigentes.
Rosany Rossi Pereira Gomes   +2 more
doaj   +1 more source

Eventos de cetáceos enmallados en El Salvador

open access: yesRevista Minerva, 2022
El enredo en las artes de pesca es reconocido como la principal amenaza moderna para las poblaciones de cetáceos a nivel mundial. A continuación, se presenta la primera evidencia de interacciones entre las pesquerías artesanales marino-costeras y los ...
Melvin Giovanni Castaneda   +5 more
doaj   +1 more source

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