Presentation Details
| Behavioral responses to anthropogenic noise pollution in the Thai Bengal slow loris (Nycticebus bengalensis) Julia Galante1, 2, Sompong Woragool2, Kanoktip Somsiri3, Stephanie Poindexter1, 2, 4. 1Department of Environment and Sustainability, University at Buffalo, Buffalo, New York, USA.2Sakaerat Slow Loris Project, Sakaerat Environmental Research Station, Wang Nam Khiao, Nakhon Ratchasima, Thailand.3Sakaerat Environmental Research Station, Thailand Institute of Scientific and Technological Research, Wang Nam Khiao, Nakhon Ratchasima, Thailand.4Department of Anthropology, University at Buffalo, Buffalo, New York, USA |
Abstract
Nocturnal animals are influenced by disturbances differently than their diurnal counterparts; the impact of nocturnal disturbances is relatively understudied. Here we investigated the impact of anthropogenic noise pollution on the nocturnal, Endangered Bengal slow loris (Nycticebus bengalensis) in Thailand. We hypothesized that nightly anthropogenic noise pollution modulated the frequency of nightly behaviors. We collected behavioral data at the Sakaerat Slow Loris Project in Northeastern Thailand, and concurrently recorded decibel levels and the type of sound (anthropogenic or natural) heard. We found no statically significant relationships between decibel level and frequency of behaviors. There was a statically significant negative relationship between behavioral diversity and decibel level (p < 0.001). The type of sound did not significantly affect behavior, however behaviors occurred more frequently in natural soundscapes. Our results suggest that N. bengalensis possess behavioral flexibility in anthropogenically disturbed environments. Considering how anthropogenic disturbances influence the sensory environments in nocturnal animals is vital for future conservation efforts.
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No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
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