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Hom KN, Quigley TD, Rodriguez RD, Gdanski SG, Lazrinth XI, Jones R, Forlano PM. Characterization of anthropogenic noise and oyster toadfish (Opsanus tau) calling behavior in urban and small-town coastal soundscapesa). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2024; 155:1230-1239. [PMID: 38341750 DOI: 10.1121/10.0024763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 01/18/2024] [Indexed: 02/13/2024]
Abstract
The oyster toadfish (Opsanus tau) is an ideal model to examine the effects of anthropogenic noise on behavior because they rely on acoustic signals for mate attraction and social interactions. We predict that oyster toadfish have acclimated to living in noise-rich environments because they are common in waterways of urban areas, like New York City (NYC). We used passive acoustic monitoring at two locations to see if calling behavior patterns are altered in areas of typically high boat traffic versus low boat traffic (Pier 40, NYC, NY, and Eel Pond, Woods Hole, MA, respectively). We hypothesized that toadfish in NYC would adjust their circadian calling behavior in response to daily anthropogenic noise patterns. We quantified toadfish calls and ship noise over three 24-h periods in the summer reproductive period at both locations. We observed an inverse relationship between the duration of noise and the number of toadfish calls at Pier 40 in comparison to Eel Pond. Additionally, toadfish at Pier 40 showed significant differences in peak calling behavior compared to Eel Pond. Therefore, oyster toadfish may have acclimated to living in an urban environment by potentially altering their communication behavior in the presence of boat noise.
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Affiliation(s)
- Kelsey N Hom
- Subprogram in Ecology, Evolutionary Biology and Behavior, The Graduate Center, City University of New York (CUNY), New York, New York 10031, USA
| | - Thomas D Quigley
- Subprogram in Ecology, Evolutionary Biology and Behavior, The Graduate Center, City University of New York (CUNY), New York, New York 10031, USA
| | - Rachel D Rodriguez
- Department of Biology, Brooklyn College, City University of New York (CUNY), Brooklyn, New York 11210, USA
| | - Sydney G Gdanski
- Department of Biology, Brooklyn College, City University of New York (CUNY), Brooklyn, New York 11210, USA
| | - Xylo I Lazrinth
- Department of Biology, Brooklyn College, City University of New York (CUNY), Brooklyn, New York 11210, USA
| | | | - Paul M Forlano
- Subprogram in Ecology, Evolutionary Biology and Behavior, The Graduate Center, City University of New York (CUNY), New York, New York 10031, USA
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Van Hoeck RV, Paxton AB, Bohnenstiehl DR, Taylor JC, Fodrie FJ, Peterson CH. Passive acoustic monitoring complements traditional methods for assessing marine habitat enhancement outcomes. Ecosphere 2021. [DOI: 10.1002/ecs2.3840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Rebecca V. Van Hoeck
- Institute of Marine Sciences University of North Carolina at Chapel Hill 3431 Arendell Street Morehead City North Carolina 28557 USA
| | - Avery B. Paxton
- CSS‐Inc. 10301 Democracy Lane, Suite 300 Fairfax Virginia 22030 USA
- National Centers for Coastal Ocean Science National Ocean Service National Oceanic and Atmospheric Administration 101 Pivers Island Road Beaufort North Carolina 28516 USA
| | - DelWayne R. Bohnenstiehl
- Department of Marine, Earth, and Atmospheric Sciences and Center for Geospatial Analytics North Carolina State University 2800 Faucette Drive Raleigh North Carolina 27607 USA
| | - J. Christopher Taylor
- National Centers for Coastal Ocean Science National Ocean Service National Oceanic and Atmospheric Administration 101 Pivers Island Road Beaufort North Carolina 28516 USA
| | - F. Joel Fodrie
- Institute of Marine Sciences University of North Carolina at Chapel Hill 3431 Arendell Street Morehead City North Carolina 28557 USA
| | - Charles H. Peterson
- Institute of Marine Sciences University of North Carolina at Chapel Hill 3431 Arendell Street Morehead City North Carolina 28557 USA
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Thode AM, Conrad AS, Ozanich E, King R, Freeman SE, Freeman LA, Zgliczynski B, Gerstoft P, Kim KH. Automated two-dimensional localization of underwater acoustic transient impulses using vector sensor image processing (vector sensor localization). THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2021; 149:770. [PMID: 33639780 DOI: 10.1121/10.0003382] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Accepted: 01/06/2021] [Indexed: 06/12/2023]
Abstract
Detecting acoustic transients by signal-to-noise ratio (SNR) becomes problematic in nonstationary ambient noise environments characteristic of coral reefs. An alternate approach presented here uses signal directionality to automatically detect and localize transient impulsive sounds collected on underwater vector sensors spaced tens of meters apart. The procedure, which does not require precise time synchronization, first constructs time-frequency representations of both the squared acoustic pressure (spectrogram) and dominant directionality of the active intensity (azigram) on each sensor. Within each azigram, sets of time-frequency cells associated with transient energy arriving from a consistent azimuthal sector are identified. Binary image processing techniques then link sets that share similar duration and bandwidth between different sensors, after which the algorithm triangulates the source location. Unlike most passive acoustic detectors, the threshold criterion for this algorithm is bandwidth instead of pressure magnitude. Data collected from shallow coral reef environments demonstrate the algorithm's ability to detect SCUBA bubble plumes and consistent spatial distributions of somniferous fish activity. Analytical estimates and direct evaluations both yield false transient localization rates from 3% to 6% in a coral reef environment. The SNR distribution of localized pulses off Hawaii has a median of 7.7 dB and interquartile range of 7.1 dB.
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Affiliation(s)
- Aaron M Thode
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093-0238, USA
| | - Alexander S Conrad
- Greeneridge Sciences, Inc., 90 Arnold Place, Suite D, Santa Barbara, California 93117, USA
| | - Emma Ozanich
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093-0238, USA
| | - Rylan King
- Naval Undersea Warfare Center, Newport, Rhode Island 02841, USA
| | - Simon E Freeman
- Naval Undersea Warfare Center, Newport, Rhode Island 02841, USA
| | | | - Brian Zgliczynski
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093-0238, USA
| | - Peter Gerstoft
- Scripps Institution of Oceanography, University of California San Diego, La Jolla, California 92093-0238, USA
| | - Katherine H Kim
- Greeneridge Sciences, Inc., 90 Arnold Place, Suite D, Santa Barbara, California 93117, USA
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The effect of biological and anthropogenic sound on the auditory sensitivity of oyster toadfish, Opsanus tau. J Comp Physiol A Neuroethol Sens Neural Behav Physiol 2019; 206:1-14. [PMID: 31823003 DOI: 10.1007/s00359-019-01381-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 11/08/2019] [Accepted: 11/11/2019] [Indexed: 01/02/2023]
Abstract
Many aquatic organisms use vocalizations for reproductive behavior; therefore, disruption of their soundscape could adversely affect their life history. Male oyster toadfish (Opsanus tau) establish nests in shallow waters during spring and attract female fish with boatwhistle vocalizations. Males exhibit high nest fidelity, making them susceptible to anthropogenic sound in coastal waters, which could mask their vocalizations and/or reduce auditory sensitivity levels. Additionally, the effect of self-generated boatwhistles on toadfish auditory sensitivity has yet to be addressed. To investigate the effect of sound exposure on toadfish auditory sensitivity, sound pressure and particle acceleration sensitivity curves were determined using auditory evoked potentials before and after (0-, 1-, 3-, 6- and 9-day) exposure to 1- or 12-h of continuous playbacks to ship engine sound or conspecific vocalization. Exposure to boatwhistles had no effect on auditory sensitivity. However, exposure to anthropogenic sound caused significant decreases in auditory sensitivity for at least 3 days, with shifts up to 8 dB SPL and 20 dB SPL immediately following 1- and 12-h anthropogenic exposure, respectively. Understanding the effect of self-generated and anthropogenic sound exposure on auditory sensitivity provides an insight into how soundscapes affect acoustic communication.
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Seasonal Variation of Captive Meagre Acoustic Signalling: A Manual and Automatic Recognition Approach. FISHES 2019. [DOI: 10.3390/fishes4020028] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Many species rely on acoustic communication to fulfil several functions such as advertisement and mediation of social interactions (e.g., agonistic, mating). Therefore, fish calls can be an important source of information, e.g., to recognize reproductive periods or to assess fish welfare, and should be considered a potential non-intrusive tool in aquaculture management. Assessing fish acoustic activity, however, often requires long sound recordings. To analyse these long recordings automatic methods are invaluable tools to detect and extract the relevant biological information. Here we present a study to characterize meagre (Argyrosomus regius) acoustic activity during social contexts in captivity using an automatic pattern-recognition methodology based on the Hidden Markov Model. Calls produced by meagre during the breading season showed a richer repertoire than previously reported. Besides the dense choruses composed by grunts already known for this species, meagre emitted successive series of isolated pulses, audible as ‘knocks’. Grunts with a variable number of pulses were also registered. The overall acoustic activity was concurrent with the number of spawning events. A diel call rhythms exhibit peak of calling activity from 15:00 to midnight. In addition, grunt acoustic parameters varied significantly along the reproduction season. These results open the possibility to use the meagre vocal activity to predict breeding and approaching spawning periods in aquaculture management.
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Van Wert JC, Mensinger AF. Seasonal and Daily Patterns of the Mating Calls of the Oyster Toadfish, Opsanus tau. THE BIOLOGICAL BULLETIN 2019; 236:97-107. [PMID: 30933642 DOI: 10.1086/701754] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Acoustic communication is vital across many taxa for mating behavior, defense, and social interactions. Male oyster toadfish, Opsanus tau, produce courtship calls, or "boatwhistles," characterized by an initial broadband segment (30-50 ms) and a longer tone-like second part (200-650 ms) during mating season. Male calls were monitored continuously with an in situ SoundTrap hydrophone that was deployed in Eel Pond, Woods Hole, Massachusetts, during the 2015 mating season. At least 10 vocalizing males were positively identified by their unique acoustic signatures. This resident population was tracked throughout the season, with several individuals tracked for extended periods of time (72 hours). Toadfish began calling in mid-May when water temperature reached 14.6 °C with these early-season "precursor" boatwhistles that were shorter in duration and contained less distinct tonal segments compared to calls later in the season. The resident toadfish stopped calling in mid-August, when water temperature was about 25.5 °C. The pulse repetition rate of the tonal part of the call was significantly related to ambient water temperature during both short-term (hourly) and long-term (weekly) monitoring. This was the first study to monitor individuals in the same population of oyster toadfish in situ continuously throughout the mating season.
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Ecoacoustics: A Quantitative Approach to Investigate the Ecological Role of Environmental Sounds. MATHEMATICS 2018. [DOI: 10.3390/math7010021] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Ecoacoustics is a recent ecological discipline focusing on the ecological role of sounds. Sounds from the geophysical, biological, and anthropic environment represent important cues used by animals to navigate, communicate, and transform unknown environments in well-known habitats. Sounds are utilized to evaluate relevant ecological parameters adopted as proxies for biodiversity, environmental health, and human wellbeing assessment due to the availability of autonomous audio recorders and of quantitative metrics. Ecoacoustics is an important ecological tool to establish an innovative biosemiotic narrative to ensure a strategic connection between nature and humanity, to help in-situ field and remote-sensing surveys, and to develop long-term monitoring programs. Acoustic entropy, acoustic richness, acoustic dissimilarity index, acoustic complexity indices (ACItf and ACIft and their evenness), normalized difference soundscape index, ecoacoustic event detection and identification routine, and their fractal structure are some of the most popular indices successfully applied in ecoacoustics. Ecoacoustics offers great opportunities to investigate ecological complexity across a full range of operational scales (from individual species to landscapes), but requires an implementation of its foundations and of quantitative metrics to ameliorate its competency on physical, biological, and anthropic sonic contexts.
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