Results 31 to 40 of about 7,745 (156)

Do pingers cause stress in fish? An experimental tank study with European sardine, Sardina pilchardus (Walbaum, 1792) (Actinopterygii, Clupeidae), exposed to a 70 kHz dolphin pinger [PDF]

open access: yes, 2014
Date of acceptance: 06/12/2014 Acknowledgments The study was funded by the Portuguese Ministry of Science (Fundac¸a˜o para a Cieˆncia e Tecnologia– FCT) through a PhD Grant of SG (SFRH/BD/47931/2008).
Begona Santos, M.   +5 more
core   +1 more source

Effects of tourism operations on the bahavioural patterns of dolphin populations off the Azores with particular emphasis on the common dolphin (Delphinus delphis) [PDF]

open access: yes, 2018
Tese de Doutoramento, Biologia, 07 de junho de 2018, Universidade dos Açores.Nos Açores encontram-se cerca de 30% das espécies de cetáceos atualmente conhecidas.
Cecchetti, Arianna
core  

The Franciscana (Pontoporia blainvillei) in the Northern Limit of the FMA II: Strandings and Habitat Use in Ilha Grande Bay

open access: yesMarine Mammal Science, Volume 42, Issue 3, July 2026.
ABSTRACT The presence of the franciscana (Pontoporia blainvillei) at the northern limit of the FMA II was investigated using a range of methods, including monitoring of strandings, boat surveys, and passive acoustic monitoring (PAM). Franciscana strandings were recorded within the distributional gap between Macaé (22°55′ S) and Ilha Grande (23°09′ S ...
Alexandre F. Azevedo   +10 more
wiley   +1 more source

The use of aerial photographs for estimating school sizes of cetaceans [PDF]

open access: yes, 1985
ENGLISH: The accuracy and precision of dolphin school size estimates based on aerial photograph counts were examined using data collected on recent aerial and ship surveys.
Clark, William G.   +2 more
core  

A importância dos estudos de impacto das atividades turísticas sobre os padrões comportamentais dos cetáceos [PDF]

open access: yes, 2016
O impacto das atividades turísticas no comportamento dos cetáceos é um assunto que tem sido estudado em diferentes áreas geográficas e para diferentes espécies.
Azevedo, José M. N., Cecchetti, Arianna
core  

Living Near the Surface: Dive Behavior of Sei Whales (Balaenoptera borealis) in the Southwestern Atlantic Ocean

open access: yesMarine Mammal Science, Volume 42, Issue 2, April 2026.
ABSTRACT Understanding the diving behavior of baleen whales in tropical breeding areas is essential for evaluating both ecological functions and anthropogenic threats. In this study, we combined satellite transmitters and generalized additive mixed models (GAMMs) to investigate the dive behavior of sei whales (Balaenoptera borealis) in Santos Basin (SB)
Clarêncio Gomes Baracho‐Neto   +5 more
wiley   +1 more source

Cetacean diversity and distribution in the coast of Gipuzkoa and adjacent waters, southeastern Bay of Biscay [PDF]

open access: yesMunibe Ciencias Naturales, 2010
Desde el año 2003, se ha realizado un seguimiento continuo a las poblaciones de cetáceos de la costa guipuzcoana, siguiendo los protocolos de muestreo de cetáceos en mar de la Sociedad Española de Cetáceos.
MARCOS, E., SALAZAR, J.M., STHEPANIS, R. de
doaj  

Estudando e valorizando os cetáceos dos Açores [PDF]

open access: yes, 2014
Nos Açores ocorrem pelo menos 25 espécies diferentes de cetáceos (baleias e golfinhos). Algumas podem observar-se facilmente durante todo o ano, mas outras são menos visíveis, quer por ocorrerem apenas em épocas específicas quer pelo seu comportamento ...
Azevedo, José M. N.   +2 more
core  

Cetáceos presentes en el Caribe nororiental colombiano (2004-2012)

open access: yesMutis, 2012
Desde el 2004, el Programa de Conservación de Mamíferos Marinos de la Universidad Jorge Tadeo Lozano (ProCMM-UJTL), ha tenido como objetivo principal ampliar el inventario y el conocimiento de algunos de los aspectos ecológicos y etológicos de los ...
Nataly Morales Rincón   +1 more
doaj   +1 more source

Protected Marine Species [PDF]

open access: yes, 2007
[Resumo] A costa galega conta con 20 especies de cetáceos, 6 de pinnípedes, 6 de quelonios, unha de selacio e un carnívoro acuático, e destacan o arroaz e a toniña como especies residentes e protexidas, pero ameazadas.
López Fernández, Alfredo
core   +1 more source

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