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      Comportamento do boto-cinza, Sotalia guianensis (Van Bénédén) (Cetacea, Delphinidae) na presença de barcos de turismo na Praia de Pipa, Rio Grande do Norte, Brasil Translated title: Behavior of estuarine dolphin, Sotalia guianensis (Van Bénédén) (Cetacea, Delphinidae) in the presence of tourist boats in Pipa Beach, Rio Grande do Norte, Brazil

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          Abstract

          A crescente indústria do turismo tem se estendido ao ambiente aquático, deste modo tornando os mamíferos aquáticos suscetíveis a interações com humanos. O turismo de observação de golfinhos na praia de Pipa litoral sul do Rio Grande do Norte, tem se desenvolvido aumentando o número de barcos de observação de golfinhos operando nesta área. No presente estudo alterações comportamentais do Sotalia guianensis (Van Bénédén, 1864) causado pela presença destes barcos foi verificada. Registros comportamentais de S. guianensis foram compilados de um ponto fixo do alto de uma falésia próxima à área de estudo. As observações foram realizadas quando não havia barcos, na presença de barcos e após a saída dos barcos. Os resultados mostraram que o tipo de aproximação praticado pelos barcos de observação de golfinhos tinha maior influência no comportamento dos animais, especialmente em grupos com filhotes. Os impactos de curto prazo foram mais discretos, no entanto, novos métodos devem ser aplicados no sentido de verificar impactos de longo prazo no comportamento dos golfinhos.

          Translated abstract

          The ever-increasing tourist industry has extended to the aquatic environments, thus making the aquatic mammals susceptible to interactions with humans. Dolphin watching tourism has developed to a great extent in the Pipa Beach, Rio Grande do Norte, consequently the number of dolphin-watching boats operating in this area has increased. In the present study the behavioral alterations of Sotalia guianensis (Van Bénédén, 1864) caused by the presence of these boats were verified. Behavioral registers of S. guianensis were compiled from a fixed point on the cliffs close to the study area. The observations were effected when there were no boats, in the presence of boats and after the departure of boats. The results show that type of approach by the dolphin watching boats had a major influence on the behavior of the dolphins, especially so in the groups with calves. The short term impacts were rather discrete, however, new methods should be applied in order to verify the long term impacts on the dolphins.

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          Most cited references17

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          Observational study of behavior: sampling methods.

          J Altmann (1974)
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            INCREASED AVOIDANCE OF SWIMMERS BY WILD BOTTLENOSE DOLPHINS (TURSIOPS TRUNCATUS) DUE TO LONG-TERM EXPOSURE TO SWIM-WITH-DOLPHIN TOURISM

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              The Hawaiian Spinner Dolphin

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbzool
                Revista Brasileira de Zoologia
                Rev. Bras. Zool.
                Sociedade Brasileira de Zoologia (Curitiba )
                0101-8175
                September 2006
                : 23
                : 3
                : 661-666
                Affiliations
                [1 ] Universidade Federal do Rio Grande do Norte Brazil
                [2 ] Universidade Federal do Rio Grande do Norte Brazil
                Article
                S0101-81752006000300008
                10.1590/S0101-81752006000300008
                33cdd11e-f0d8-4070-a8c2-cfd83233da3f

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0101-8175&lng=en
                Categories
                ZOOLOGY

                Animal science & Zoology
                behavior,estuarine dolphin,watching tourism,Boto-cinza,comportamento,mamíferos aquáticos,turismo de observação,Aquatic mammals

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