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Publication
Divers impact on fishes of the marine park Professor Luiz Saldanha
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Abstract(s)
ABSTRACT: Marine Protected Areas are important places for the conservation of marine
environments, increasing the attraction of recreational activities. Moreover, some
activities as scuba diving could have an impact on fish behaviour, these alterations could
be observed in the long term, as the impacts are cumulative and not immediate. This study
aimed to understand the impact that the presence of recreational divers has on the
behaviour of fish in the Professor Luiz Saldanha Marine Park by using Baited Remoted
Underwater Videos (BRUVs). A higher abundance of fishes was observed in the partial
protected area without the presence of divers. There is no difference either in the partial
protection zone or in the complementary protection zone when there is the absence and
presence of divers. There is a significant difference between the total protection zone of
the PMLS with the partial protection zone with the presence of divers and the
complementary protection zone also with the presence of divers. As a conclusion fish
behaviour could change according to the species. Areas where diving is more regular, it
will be possible to observe a greater impact. This study highlights the importance of how
recreational activities could impact marine fauna in protected environments that could
contribute to a better management.
Description
Dissertação de Mestrado realizada sob a orientação do
Professor Doutor Emanuel Gonçalves, apresentada
no Ispa –Instituto Universitário para obtenção de grau de
Mestre na especialidade de Biologia Marinha e Conservação.
Keywords
Marine Protected Areas Conservation Scuba diving Fish behaviour Professor Luiz Saldanha Marine Park Baited Remoted Underwater Videos Total protection zone Partial protected area Complementary