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Movement patterns of humpback whales (Megaptera novaeangliae) reoccupying a Brazilian breeding ground Biota Neotropica
Gonçalves,Maria Isabel Carvalho; Sousa-Lima,Renata Santoro de; Teixeira,Niel Nascimento; Carvalho,Gustavo Henrique; Danilewicz,Daniel; Baumgarten,Júlio Ernesto.
Abstract: The population of humpback whales from breeding stock A is increasing, and little is known about the routes used by humpbacks that move north of the main calving area of Brazil, the Abrolhos Bank. The aim of this study was to describe the movements of humpback whales in a reoccupation wintering area (Serra Grande, Bahia state, Brazil) based on land-based surveys to test if movement patterns change during the season and between years, due to group composition, behavioral state, and distance to the coast. The mean leg speed of the groups sighted was 6.88 (±2.92) km/h, and leg speed was positively correlated with distance to the coast. There was an increase in leg speed and distance to the coast with increasing number of escorts in the groups with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Calving area; Distance to the coast; Land-based station; Linearity; Speed.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032018000400210
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