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Occurrence of sea turtles during seismic surveys in Northeastern Brazil Biota Neotropica
Parente,Cristiano Leite; Lontra,Juliana Doyle; Araújo,Maria Elisabeth de.
There are seven species of sea turtles around the world. Among these, five visit the northeast coast of Brazil to reproduce and feed. These sea turtles are impacted by human activity and need conservation measures. The seismic survey is one of these activities due to its high intensity and low frequency sound emissions in the marine environment. Records of sea turtles during seismic surveys in shallow waters of the northeast of Brazil between 2002 and 2003 are presented in this study with some discussion about the effectiveness of the monitoring procedures. Three species of sea turtle were recorded within the seismic survey areas. The Chelonia mydas species was the most commonly sighted turtle. There was only one record of Caretta caretta and Lepidochelys...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sea turtles; Seismic survey; Sea-life surveys; South America; Northeastern Brazil.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000100004
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Diversity of cetaceans as tool in monitoring environmental impacts of seismic surveys Biota Neotropica
Parente,Cristiano Leite; Araújo,Janaína Pauline de; Araújo,Maria Elisabeth de.
New information about the effects of seismic surveys on cetaceans is causing increasing concern about the impact of this type of activity on marine life. The effects described include behavioral responses and changes in vocalization patterns, diversion of migratory routes, damage to the auditory system, and an increase in strandings. Although such effects could affect the diversity of species in areas where seismic research has been carried out, there is no scientific information on this subject. This study aims to evaluate the relationship between seismic surveys, oceanographic data and diversity of cetaceans recorded in Brazil following the stepping up of seismic survey activities between 1999 and 2004. The study is based on oceanographic data from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Noise impact; Seismic survey; Diversity of cetaceans; South America.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000100007
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