Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries

Passive acoustic sensors provide a cost-effective tool for monitoring marine environments. Documenting acoustic conditions among habitats can provide insights into temporal changes in ecosystem composition and anthropogenic impacts. Agencies tasked with safeguarding marine protected areas, such as t...

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Main Authors: Samara M. Haver, Michelle E. H. Fournet, Robert P. Dziak, Christine Gabriele, Jason Gedamke, Leila T. Hatch, Joseph Haxel, Scott A. Heppell, Megan F. McKenna, David K. Mellinger, Sofie M. Van Parijs
Format: Article
Language:English
Published: Frontiers Media S.A. 2019-08-01
Series:Frontiers in Marine Science
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fmars.2019.00500/full
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author Samara M. Haver
Samara M. Haver
Michelle E. H. Fournet
Robert P. Dziak
Christine Gabriele
Jason Gedamke
Leila T. Hatch
Joseph Haxel
Scott A. Heppell
Megan F. McKenna
David K. Mellinger
Sofie M. Van Parijs
author_facet Samara M. Haver
Samara M. Haver
Michelle E. H. Fournet
Robert P. Dziak
Christine Gabriele
Jason Gedamke
Leila T. Hatch
Joseph Haxel
Scott A. Heppell
Megan F. McKenna
David K. Mellinger
Sofie M. Van Parijs
author_sort Samara M. Haver
collection DOAJ
description Passive acoustic sensors provide a cost-effective tool for monitoring marine environments. Documenting acoustic conditions among habitats can provide insights into temporal changes in ecosystem composition and anthropogenic impacts. Agencies tasked with safeguarding marine protected areas, such as the U.S. National Park Service and U.S. National Oceanic and Atmospheric Administration’s Office of National Marine Sanctuaries, are increasingly interested in using long-term monitoring of underwater sounds as a means of tracking species diversity and ecosystem health. In this study, low-frequency passive acoustic recordings were collected fall 2014 – spring 2018, using standardized instrumentation, from four marine protected areas across geographically disparate regions of the U.S. Economic Exclusive Zone: Northwest Atlantic, Northeast Pacific, South Pacific, and Caribbean. Recordings were analyzed for differences in seasonal conditions and to identify acoustic metrics useful for resource assessment across all sites. In addition to comparing ambient sound levels, a species common to all four sites, the humpback whale (Megaptera novaeangliae), was used to compare biological sound detection. Ambient sound levels varied across the sites and were driven by differences in animal vocalization rates, anthropogenic activity, and weather. The highest sound levels [dBRMS (50 Hz–1.5 kHz) re 1 μPa] were recorded in the Northwest Atlantic in Stellwagen Bank National Marine Sanctuary (Stellwagen) during the boreal winter–spring resulting from bioacoustic activity, vessel traffic, and high wind speeds. The lowest sound levels [dBRMS (50 Hz–1.5 kHz) re 1 μPa] were recorded in the Northeast Pacific adjacent to a vessel-restricted area of Glacier Bay National Park and Preserve (Glacier Bay) during the boreal summer. Humpback whales were detected seasonally in the southern latitude sites, and throughout the deployment periods in the northern latitude sites. Temporal trends in band and spectrum sound levels in Glacier Bay and the National Park of American Samoa were primarily driven by biological sound sources, while trends in Stellwagen and the Buck Island Reef National Monument were primarily driven by anthropogenic sources. These results highlight the variability of ambient sound conditions in marine protected areas in U.S. waters, and the utility of long-term soundscape monitoring for condition assessment in support of resource management.
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spelling doaj.art-5e696ea583724bb6b27ea1fda568e46f2022-12-21T21:45:51ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452019-08-01610.3389/fmars.2019.00500472490Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine SanctuariesSamara M. Haver0Samara M. Haver1Michelle E. H. Fournet2Robert P. Dziak3Christine Gabriele4Jason Gedamke5Leila T. Hatch6Joseph Haxel7Scott A. Heppell8Megan F. McKenna9David K. Mellinger10Sofie M. Van Parijs11Cooperative Institute for Marine Resources Studies, NOAA Pacific Marine Environmental Laboratory and Oregon State University, Hatfield Marine Science Center, Newport, OR, United StatesDepartment of Fisheries and Wildlife, Oregon State University, Corvallis, OR, United StatesBioacoustics Research Program, Cornell Lab of Ornithology, Cornell University, Ithaca, NY, United StatesNOAA Pacific Marine Environmental Laboratory, Hatfield Marine Science Center, Newport, OR, United StatesGlacier Bay National Park and Preserve, Gustavus, AK, United StatesOffice of Science and Technology, NOAA Fisheries, Silver Spring, MD, United StatesGerry E. Studds Stellwagen Bank National Marine Sanctuary, NOAA Office of National Marine Sanctuaries, Scituate, MA, United StatesCooperative Institute for Marine Resources Studies, NOAA Pacific Marine Environmental Laboratory and Oregon State University, Hatfield Marine Science Center, Newport, OR, United StatesDepartment of Fisheries and Wildlife, Oregon State University, Corvallis, OR, United StatesNational Park Service, Natural Sounds and Night Skies Division, Fort Collins, CO, United StatesCooperative Institute for Marine Resources Studies, NOAA Pacific Marine Environmental Laboratory and Oregon State University, Hatfield Marine Science Center, Newport, OR, United StatesNOAA Northeast Fisheries Science Center, Woods Hole, MA, United StatesPassive acoustic sensors provide a cost-effective tool for monitoring marine environments. Documenting acoustic conditions among habitats can provide insights into temporal changes in ecosystem composition and anthropogenic impacts. Agencies tasked with safeguarding marine protected areas, such as the U.S. National Park Service and U.S. National Oceanic and Atmospheric Administration’s Office of National Marine Sanctuaries, are increasingly interested in using long-term monitoring of underwater sounds as a means of tracking species diversity and ecosystem health. In this study, low-frequency passive acoustic recordings were collected fall 2014 – spring 2018, using standardized instrumentation, from four marine protected areas across geographically disparate regions of the U.S. Economic Exclusive Zone: Northwest Atlantic, Northeast Pacific, South Pacific, and Caribbean. Recordings were analyzed for differences in seasonal conditions and to identify acoustic metrics useful for resource assessment across all sites. In addition to comparing ambient sound levels, a species common to all four sites, the humpback whale (Megaptera novaeangliae), was used to compare biological sound detection. Ambient sound levels varied across the sites and were driven by differences in animal vocalization rates, anthropogenic activity, and weather. The highest sound levels [dBRMS (50 Hz–1.5 kHz) re 1 μPa] were recorded in the Northwest Atlantic in Stellwagen Bank National Marine Sanctuary (Stellwagen) during the boreal winter–spring resulting from bioacoustic activity, vessel traffic, and high wind speeds. The lowest sound levels [dBRMS (50 Hz–1.5 kHz) re 1 μPa] were recorded in the Northeast Pacific adjacent to a vessel-restricted area of Glacier Bay National Park and Preserve (Glacier Bay) during the boreal summer. Humpback whales were detected seasonally in the southern latitude sites, and throughout the deployment periods in the northern latitude sites. Temporal trends in band and spectrum sound levels in Glacier Bay and the National Park of American Samoa were primarily driven by biological sound sources, while trends in Stellwagen and the Buck Island Reef National Monument were primarily driven by anthropogenic sources. These results highlight the variability of ambient sound conditions in marine protected areas in U.S. waters, and the utility of long-term soundscape monitoring for condition assessment in support of resource management.https://www.frontiersin.org/article/10.3389/fmars.2019.00500/fullpassive acoustic monitoringsoundscapeacoustic environmentecoacousticsocean noise managementmarine protected areas
spellingShingle Samara M. Haver
Samara M. Haver
Michelle E. H. Fournet
Robert P. Dziak
Christine Gabriele
Jason Gedamke
Leila T. Hatch
Joseph Haxel
Scott A. Heppell
Megan F. McKenna
David K. Mellinger
Sofie M. Van Parijs
Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
Frontiers in Marine Science
passive acoustic monitoring
soundscape
acoustic environment
ecoacoustics
ocean noise management
marine protected areas
title Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
title_full Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
title_fullStr Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
title_full_unstemmed Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
title_short Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
title_sort comparing the underwater soundscapes of four u s national parks and marine sanctuaries
topic passive acoustic monitoring
soundscape
acoustic environment
ecoacoustics
ocean noise management
marine protected areas
url https://www.frontiersin.org/article/10.3389/fmars.2019.00500/full
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