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- W2515956464 abstract "Humpback whales have been largely studied in several breeding areas, but in the Southeastern Pacific, their abundances and distribution patterns are still unclear. The abundance, distribution and behavior of humpback whales were studied during their breeding seasons of 2013 and 2014 and with the aim to identify the effect of sea surface temperature (SST) and depth on these issues. Survey cruises on board a sailboat were conducted in both seasons with similar observation effort and recording also the SST and depth of each sighting. Behavior, behavioural cues and group structure were identified. SST and whale abundances were significantly different between the two seasons (24.72˚ C and 26.39˚C, 401 and 257 individuals for 2013 and 2014 respectively). Similarly, relative abundances was different: 3.84 and 2.45. Kernel Density Analysis allowed us to identify new, yet undocumented mating areas: Cojimies, Pedernales and Canoa. It was possible to detect a significant effect of SST on the abundance, distribution and behavior. The depth appeared to have little effect on the distribution and behaviour, however calves were found in areas with depths higher than the 20-50 m range suggested by the literature. It is suggested that this could be a consequence of the stress caused by the numerous vessels fishing or performing whale watching trips." @default.
- W2515956464 created "2016-09-16" @default.
- W2515956464 creator A5002724370 @default.
- W2515956464 date "2015-12-01" @default.
- W2515956464 modified "2023-09-24" @default.
- W2515956464 title "Distribution and habitat use of the humpback whale (megaptera novaeangliae) in the continental coast of Ecuador and effects of sea surface temerature (SST) Distribución y uso de hábitat de la ballena jorobada (megaptera novaeangliae) en la costa continental del Ecuador y efectos de la temperatura superficial del mar (SST)" @default.
- W2515956464 hasPublicationYear "2015" @default.
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