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The Effect of Anthropogenic Noise on...

Herrera-Montes, Maria Isabel.

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The Effect of Anthropogenic Noise on Natural Soundscape and Biodiversity.

Record Type:	Electronic resources : Monograph/item
Title/Author:	The Effect of Anthropogenic Noise on Natural Soundscape and Biodiversity./
Author:	Herrera-Montes, Maria Isabel.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	138 p.
Notes:	Source: Dissertations Abstracts International, Volume: 80-12, Section: B.
Contained By:	Dissertations Abstracts International80-12B.
Subject:	Wildlife Conservation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13895383
ISBN:	9781392226612

The Effect of Anthropogenic Noise on Natural Soundscape and Biodiversity.
Herrera-Montes, Maria Isabel.

The Effect of Anthropogenic Noise on Natural Soundscape and Biodiversity. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 138 p.

Source: Dissertations Abstracts International, Volume: 80-12, Section: B.

Thesis (Ph.D.)--University of Puerto Rico, Rio Piedras (Puerto Rico), 2019.

This item must not be sold to any third party vendors.

Human activities are the primary drivers of land cover change, altering ecological processes, modifying ecosystems, and transforming natural landscapes. Along with changes to the landscape structure and biota, human activities modify the natural soundscape, composed of biotic and abiotic sounds, with the intrusion of anthropogenic noise. In this dissertation, I used descriptive and experimental approaches and innovative methodologies such as acoustic monitoring and soundscape analysis, to determine how anthropogenic noise affects the natural soundscape in tropical areas.I found that soundscape composition varies according to habitat structure, animal community, and human activities. Specifically, in Chapter 1,. I determine that anthropogenic noise dominated the soundscape of non-forest areas; and domestic animal vocalizations were common in non-forested areas. Animal vocalizations have similar characteristics to the other frequent anthropogenic noises, and possibly could have the same negative impact in the acoustic community and wildlife. In Chapter 2, I found that the zonification of protected areas is useful for minimizing noise intrusion. Therefore, noise pollution analyses should be incorporated into management plans to ensure the protection and maintenance of biodiversity as well as preserve the natural soundscape. Furthermore, the noise vulnerability classification proposed in this study could be a useful tool for assisting managers and researchers in defining priority strategies for sensitive species that require special attention and protection. In Chapter 3, by conducting the first phantom road experiment in a tropical forest, I found that the invasion of anthropogenic noise in a tropical natural area could modify the use patterns of acoustic space, promote changes in bird community composition - particularly among noise-sensitive groups - and prompt changes in insect acoustic activity even though the noise did not mask its acoustic signals. The impacts of anthropogenic sounds in soundscapes and acoustic communities are comparable to those of invasive species. Noise invasion and biotic invasions share multiple characteristics, mechanisms, and consequences. Biotic invasion is a well-developed area of research, and applying biotic invasions theory to anthropogenic noise invasion can support the development and advancement of this critical area of study. Changes in the natural soundscape as a result of anthropogenic noise intrusion is particularly critical in tropical regions because of their high levels of rarity, diversity and endemism. There is an essential need for studies on the effect of anthropogenic noise and noise invasion in the tropics given the accelerated rate of forest loss and level of degradation of these forests. Furthermore, given that most tropical regions do not have any noise regulations, it is essential that noise monitoring programs are established to better understand their impact on biodiversity and to design appropriated mitigation strategies and suitable laws.

ISBN: 9781392226612Subjects--Topical Terms:

3433384
Wildlife Conservation.

The Effect of Anthropogenic Noise on Natural Soundscape and Biodiversity.
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520 $a Human activities are the primary drivers of land cover change, altering ecological processes, modifying ecosystems, and transforming natural landscapes. Along with changes to the landscape structure and biota, human activities modify the natural soundscape, composed of biotic and abiotic sounds, with the intrusion of anthropogenic noise. In this dissertation, I used descriptive and experimental approaches and innovative methodologies such as acoustic monitoring and soundscape analysis, to determine how anthropogenic noise affects the natural soundscape in tropical areas.I found that soundscape composition varies according to habitat structure, animal community, and human activities. Specifically, in Chapter 1,. I determine that anthropogenic noise dominated the soundscape of non-forest areas; and domestic animal vocalizations were common in non-forested areas. Animal vocalizations have similar characteristics to the other frequent anthropogenic noises, and possibly could have the same negative impact in the acoustic community and wildlife. In Chapter 2, I found that the zonification of protected areas is useful for minimizing noise intrusion. Therefore, noise pollution analyses should be incorporated into management plans to ensure the protection and maintenance of biodiversity as well as preserve the natural soundscape. Furthermore, the noise vulnerability classification proposed in this study could be a useful tool for assisting managers and researchers in defining priority strategies for sensitive species that require special attention and protection. In Chapter 3, by conducting the first phantom road experiment in a tropical forest, I found that the invasion of anthropogenic noise in a tropical natural area could modify the use patterns of acoustic space, promote changes in bird community composition - particularly among noise-sensitive groups - and prompt changes in insect acoustic activity even though the noise did not mask its acoustic signals. The impacts of anthropogenic sounds in soundscapes and acoustic communities are comparable to those of invasive species. Noise invasion and biotic invasions share multiple characteristics, mechanisms, and consequences. Biotic invasion is a well-developed area of research, and applying biotic invasions theory to anthropogenic noise invasion can support the development and advancement of this critical area of study. Changes in the natural soundscape as a result of anthropogenic noise intrusion is particularly critical in tropical regions because of their high levels of rarity, diversity and endemism. There is an essential need for studies on the effect of anthropogenic noise and noise invasion in the tropics given the accelerated rate of forest loss and level of degradation of these forests. Furthermore, given that most tropical regions do not have any noise regulations, it is essential that noise monitoring programs are established to better understand their impact on biodiversity and to design appropriated mitigation strategies and suitable laws.
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