Whales
Mostrando 13-24 de 43 artigos, teses e dissertações.
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13. Behavioral responses of humpback whales, Megaptera novaeangliae (Cetacea: Balaenopteridae), to satellite transmitter deployment procedures
Tagging whales with implantable satellite transmitters creates the possibility of disturbing the animals. Between 2003 and 2005, behavioral observations of humpback whales during tag deployment operations were conducted off the coast of Brazil from the flying bridge of a speedboat. The speed achieved by each whale during pursuit was registered by GPS receive
Zoologia (Curitiba). Publicado em: 2010-02
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14. Parasitos metazoários de cetáceos da costa nordeste do Brasil. / Metazoan parasites of cetaceans of the northeast coast of Brazil.
Cetaceans are parasitized by a wide diversity of endo and ectoparasites in various tissues, organs and cavities. Some species are related to causes of strandings and mortality of dolphins and whales. In addition to knowledge about the pathological effects of these organisms, their importance in ecological and evolutionary studies is highlighted. The parasiti
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 03/12/2009
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15. Data on biology and exploitation of West Atlantic sperm whales, Physeter macrocephalus (Cetacea: Physeteridae) off the coast of Paraíba, Brazil
This study analyzes data on the biology of sperm whales, Physeter macrocephalus Linnaeus, 1758, obtained between 1965 and 1980 by the COPESBRA at the Costinha Whaling Station, Paraíba, Brazil. The data come from the log books of the whaling ships and from the spreadsheets containing biological information filled out by employees of the SUDEPE at the flensin
Zoologia (Curitiba). Publicado em: 2009-12
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16. O samba de roda na Ilha de Itaparica : um estudo de caso sobre encaixes materiais entre dança e outros textos da cultura. / The samba de roda in the Island of Itaparica : a case study on material relations between dance and other texts of the culture.
Considering the cultural importance of the samba de roda from Bahia, this dissertation analyzes its configuration and its dynamics, with focus in the material relations that connects samba to others practices of the daily life of sambadores. For this, it carries through a case study on the occurrence of the samba de roda in the Island of Itaparica (BA). The
Publicado em: 2009
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17. Sucessão ecológica em parcelas orgânicas de madeira, macroalgas e em carcassas de baleia no mar profundo; e similaridade de espécies entre habitats redutores no talude continental da Califórnia (Pacífico Nordeste) / Whales, wood and kelp islands in the deep-sea: ecological succession and species overlap with other chemosynthetic habitats in the Californian continental slope (NE Pacific)
Sunken parcels of macroalgae, wood and whale carcasses provide important oases of organic enrichment at the deep-sea floor, but sediment community structure and succession around these habitat islands are poorly evaluated. We experimentally implanted parcels of kelp and wood falls nearby a 30-ton deep-sea whale-fall at 1670 m in the Santa Cruz Basin (SCr; NE
Publicado em: 2009
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18. Interações entre orcas Orcinus orca (Linnaeus, 1758) e falsas orcas Pseudorca crassidens (Owen, 1846) com a pesca de espinhel pelágico monofilamento no Atlântico Oeste Tropical.
Desde a década de 50, a indústria pesqueira vem sofrendo perdas provocadas por cetáceos, em todos os oceanos, com diferentes níveis de intensidade, num comportamento denominado pelos especialistas como depredação, que ocorre quando esses animais se alimentam do peixe capturado pela arte de pesca. Orcas verdadeiras têm sido citadas como as que exibem e
Publicado em: 2007
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19. Etnoecologia de cetaceos em comunidades de pescadores de São Sebastião, São Paulo / Ethnoecology of cetaceans in fishing communities of São Sebastião, São Paulo
A Etnobiologia estuda as interações entre populações humanas e recursos naturais, enfocando a percepção e o conhecimento humano sobre os recursos naturais, a forma como estes são utilizados e as práticas de manejo desenvolvidas pelas sociedades. O conhecimento ecológico local (LEK, de ?local ecological knowlegde?) tem sido muito útil na elaboraçã
Publicado em: 2007
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20. Caracterização temporal da estrutura de grupos e do comportamento de baleias jubarte (Megaptera novaeangliae) na área de reprodução da região do Arquipélago dos Abrolhos (Bahia, Brasil). / Temporal characterization of humpback whales (Megaptera novaeangliae) group structure and behavior in Abrolhos Archipelago breeding area (Bahia, Brazil).
Baleias jubarte usam a costa leste do Brasil como área de reprodução e cria. As águas ao redor do Arquipélago dos Abrolhos são importantes devido a grande concentração de grupos com filhotes. Um estudo de 7 anos (entre 1998 e 2004) foi realizado, a partir de um ponto fixo de observação em terra, a fim de se investigar padrões temporais na estrutur
Publicado em: 2007
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21. Behavior of humpback whales calves, Megaptera novaeangliae, around Abrolhos Archipelago, Bahia (Brazil) / Comportamento de filhotes de baleia jubarte, Megaptera novaeangliae, na região ao redor do Arquipélago dos Abrolhos, Bahia (Brasil)
To characterize the behavior of humpback whales calves, a study was conduct around Abrolhos Archipelago, an important nursing area for the species in Brazil. It was investigated aspects of the behavioral development of calves, behavioral differences between calves of different breeding seasons and also the effects of the presence of one escort in the behavio
Publicado em: 2006
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22. O Estado na criação: crise e reestruturação do Porto de Imbituba (SC)
During this work we identify the creation, crisis and reestrutuction of Imbituba Port, a port located in the south of Santa Catarina, its emphasized also the impacts of new liberalism politics to the economic activities and to the job market. First its described the portuguese colonization context in Santa Catarina during XVIII century, the history of Imbitu
Publicado em: 2005
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23. Anatomy of the left atrioventricular complex of the Minke whale (Balaenoptera acutorostrata Lacépède, 1804) / Anatomia do Complexo Valvar Atrioventricular Cardíaco Esquerdo da Baleia Minke (Balaenoptera acutorostrata Lacépède, 1804)
A few information exist in the literature relative to the morphology of the circulatory organs of the whale, especially concerning the valvar complex of the heart. It tried to approach in this work, the macroscopic anatomy of the left atrioventricular valve of the whale Minke, as well as the musculi papillaris and Chordae tendineae. It was studied the anatom
Publicado em: 2001
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24. Buoyant balaenids: the ups and downs of buoyancy in right whales.
A variety of marine mammal species have been shown to conserve energy by using negative buoyancy to power prolonged descent glides during dives. A new non-invasive tag attached to North Atlantic right whales recorded swim stroke from changes in pitch angle derived from a three-axis accelerometer. These results show that right whales are positively buoyant ne