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- W204919466 abstract "By the 1994, the touristic observation about humpback whale (Megaptera novaeangliae) began commercially in Colombia, especially at Malaga Bay and its borders zones. For the present year this activity has increase at the same level as marine boats. In this study the effect of some touristic and transit boats over the shallow behavior of humpback whales was evaluated, taking as a reference point a 20 meters up platform located at the Malaga Bay entrance (3˚53'N, 77˚22'W), during 351.2 hours between august and September of 2008. Throughout incidentals and focal samples the events of flapping, tailing, tail exposure, spying, ventral and tail jumps were registered. In the same form with the movement states, agitation, repose, and the modal immersion time during the touristic observation process. (Before, during and after), the frequency rate changes for aerial behaviors and the early and lately responses of humpback whales to the transit boats were evaluated. The results shown there is a short time effect of transit and touristic boats over shallow behavior humpback whales, where tail jumps, rotation, and erratic quick movement yield a significant increase, the repose and the modal immersion time were significantly lower when the boat was present. According to the transit boats, it was clear that most of humpback whales change its aerial behavior during the process of transit, as well as their change according to the number of embarkations. Making in account the importance of the Malaga Bay as a touristic zone is necessary the implementation of a coastal management plan in order to realize these activities without disturb this huge cetacean." @default.
- W204919466 created "2016-06-24" @default.
- W204919466 creator A5011245805 @default.
- W204919466 creator A5040514703 @default.
- W204919466 date "2014-08-20" @default.
- W204919466 modified "2023-09-23" @default.
- W204919466 title "Efecto a corto plazo de las embarcaciones turísticas y en tránsito sobre el comportamiento en superficie de megaptera novaeangliae : durante la temporada de reproducción 2008, en Bahía Málaga y alrededores (Valle del Cauca- Colombia)" @default.
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- W204919466 hasPublicationYear "2014" @default.
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