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Marine Ecosystems through the Lens of Soundscape Ecology : = How Biological Processes, Landscape Structure, and Anthropogenic Activity Affect Spatiotemporal Soundscape Patterns.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Marine Ecosystems through the Lens of Soundscape Ecology :/
Reminder of title:	How Biological Processes, Landscape Structure, and Anthropogenic Activity Affect Spatiotemporal Soundscape Patterns.
Author:	Van Hoeck, Rebecca Vick.
Description:	1 online resource (177 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 84-11, Section: B.
Contained By:	Dissertations Abstracts International84-11B.
Subject:	Ecology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30244044click for full text (PQDT)
ISBN:	9798379557393

Marine Ecosystems through the Lens of Soundscape Ecology : = How Biological Processes, Landscape Structure, and Anthropogenic Activity Affect Spatiotemporal Soundscape Patterns.
Van Hoeck, Rebecca Vick.

Marine Ecosystems through the Lens of Soundscape Ecology :How Biological Processes, Landscape Structure, and Anthropogenic Activity Affect Spatiotemporal Soundscape Patterns. - 1 online resource (177 pages)

Source: Dissertations Abstracts International, Volume: 84-11, Section: B.

Thesis (Ph.D.)--The University of North Carolina at Chapel Hill, 2023.

Includes bibliographical references

Marine soundscapes, or the collection of all sounds across a landscape, consist of dynamic patterns resulting from natural and anthropogenic sound-producing processes. Soundscape ecology is focused on understanding how these processes interact with environmental variables and landscape structure to create dynamic soundscape patterns across space and time. As the field develops, there has been rising interest in using soundscapes as a tool to assess biodiversity and inform conservation and management decisions. However, understanding spatiotemporal soundscape patterns and their associations with ecological and environmental covariates is needed for passive acoustic monitoring to be informative.My dissertation addresses this need through two focal questions: (1) how do soundscapes vary across marine landscapes and is this variation explained by ecological metrics; and (2) how can soundscapes, or passive acoustic monitoring, be used to inform conservation and management priorities? To understand soundscape variation, I first compared the soundscapes of natural and artificial offshore reefs, finding that their temporal patterns were similar but spectral content differed. Following these results, I evaluated soundscape spatial variation across a range of estuarine habitat mosaics to explore whether soundscape differences between habitat types were associated with environmental metrics. I observed four distinct soundscape types that were associated with patch- and landscape-scale habitat metrics. Variation in all soundscape metrics summarized was explained by landscape-scale habitat metrics, while patch-scale metrics also explained sound levels, and abiotic metrics explained species-specific call rates. To evaluate how passive acoustic monitoring can be applied to conservation and management questions, I assessed whether soundscape monitoring was a useful complement to traditional video monitoring for tracking community development following deployment of an artificial reef. Comparing the soundscape of a newly deployed artificial reef to that of a nearby established reef revealed the colonization of multiple cryptic species that were not available from video monitoring. Lastly, I used multiple passive acoustic monitoring technologies to assess the spawning-associated grunt dynamics of Atlantic cod in a region with imminent offshore wind energy development. Elucidating the peak spawning period and aggregation site revealed that interactions between Atlantic cod spawning and offshore wind energy construction are likely.This dissertation advances understanding of soundscape variability in multiple ecosystems and demonstrates the benefit of passive acoustic monitoring for addressing applied ecological questions. By focusing on periods of peak acoustic activity and exploring variation across marine landscapes, my research explained previously undescribed soundscape variation and identified the relevance of landscape context in understanding marine soundscape variability. In applied contexts, my findings demonstrate that species-specific results are the most ecologically informative, but the current application of passive acoustic monitoring is limited by a lack of reliable identification of species-specific call types and associated call detectors. Advances in call detection will facilitate more nuanced ecological questions to be asked of marine soundscape and expand its relevance for addressing conservation and management priorities.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379557393Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Marine ecosystemsIndex Terms--Genre/Form:

542853
Electronic books.

Marine Ecosystems through the Lens of Soundscape Ecology : = How Biological Processes, Landscape Structure, and Anthropogenic Activity Affect Spatiotemporal Soundscape Patterns.
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