[MARMAM] New paper on underwater noise impact in dolphin communication

Lis Bittencourt lis.bitt at gmail.com
Wed Oct 19 08:17:12 PDT 2016

Dear colleagues,

We are pleased to share with you a recent publication in Marine Pollution
Bulletin regarding underwater noise influence in dolphin communication:

Bittencourt, L.; Lima, I.M.S.; Andrade, L.G.; Carvalho, R. R.; Bisi, T. L.;
Lailson-Brito, J. Jr.; Azevedo, A. F. (2016) "Underwater noise in an
impacted environment can affect Guiana dolphin communication"

DOI: 10.1016/j.marpolbul.2016.10.037

Abstract: This study focused onwhistles produced by Guiana dolphin under
different noise conditions in Guanabara Bay, southeastern Brazil. Recording
sessions were performed with a fully calibrated recording system. Whistles
and underwater noise levels registered during two behavioral stateswere
compared separately between two areas. Noise levels differed between the
two areas across all frequencies. Whistle duration differed between areas
andwas negatively correlatedwith noise levels.Whistling ratewas positively
correlated with noise levels, show- ing thatwhistling ratewas higher in
noisier conditions. Results demonstrated that underwater noise influenced
Guiana dolphin acoustic behavior.

Here is the link: http://dx.doi.org/10.1016/j.marpolbul.2016.10.037

Or email me: lis.bitt at gmail.com

Best regards,

Lis Bittencourt

Mestre em Oceanografia
Doutoranda no Programa de Pós-Graduação em Oceanografia - UERJ
Laboratório de Mamíferos Aquáticos e Bioindicadores - MAQUA
Universidade do Estado do Rio de Janeiro - UERJ
Rua São Francisco Xavier, 524, 4º andar - sala 4002 bloco E
Maracanã, Rio de Janeiro - RJ
CEP 20550-013
Tel: 21 2334-0795
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