The influence of various reef sounds on coral‐fish larvae behaviour

Parmentier, Éric; Berten, Laetitia; Rigo, Pierre; Aubrun, F; Nedelec, Sophie L.; Simpson, Stephen D.; Lecchini, David

doi:10.1111/jfb.12651

Cited by 58 publications

(36 citation statements)

References 48 publications

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“…Coral reefs are naturally noisy places: fish and invertebrates produce feeding and territorial biotic sounds ('biophony', Parmentier et al 2009, Tricas & Boyle 2014, while wind, waves and currents create geophysical sounds ('geophony', Wenz 1962, Arvedlund & Kavanagh 2009. Many species of fish and invertebrates use these natural sounds for important life-history decisions, as an orientation cue (Tolimieri et al 2000, Simpson et al 2004, and for selecting suitable habitat for larval recruitment at the end of the pelagic period (Simpson et al 2005, Radford et al 2011, Parmentier et al 2015. Coral reefs are often highly threatened (Wilkinson 1996) making them high priority for monitoring by conservationists.…”

Section: Introductionmentioning

confidence: 99%

Soundscapes and living communities in coral reefs: temporal and spatial variation

Nedelec¹,

Simpson²,

Holderied³

et al. 2015

Mar. Ecol. Prog. Ser.

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Acoustic landscapes, or soundscapes, can vary due to biological ('biophony'), geophysical ('geophony') and anthropogenic ('anthrophony') components, and in some environments, such as many coral reefs, biophony dominates the soundscape. We compared 126 sound recordings from 3 different times of day (day, dusk and night) at 42 locations with concurrent fish and habitat surveys to investigate the relationships of acoustic parameters with biological and physical characteristics of coral reefs in the Gambier Archipelago, French Polynesia. Principal Component Analysis revealed that most of the variability in soundscapes could be described using only 4 factors: (1) full bandwidth root mean squared sound pressure level (SPL; 0.01 to 22.5 kHz in dB re 1 µPa); SPL of frequencies (2) >0.63 kHz and (3) between 0.16 and 2.5 kHz; and (4) the number of snaps made by snapping shrimp. Number of snaps in a recording and SPL above 0.63 kHz were negatively related to live coral cover, and the density and diversity of adult and juvenile fish, but positively related to dead coral cover and time of day (as the day progressed from day to dusk to night). Full bandwidth SPL and midrange SPL were positively related to sea state, depth, Porites coral, the coral forms 'branched' and 'massive' and whether the bottom was coverd by coral (live or dead). Soundscape recordings can contribute to a more complete assessment of ecological landscapes and, in cases where logistical constraints preclude traditional survey methods, passive acoustic monitoring may give valuable information on whether habitats are changing over time.

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Section: Introductionmentioning

confidence: 99%

Soundscapes and living communities in coral reefs: temporal and spatial variation

Nedelec¹,

Simpson²,

Holderied³

et al. 2015

Mar. Ecol. Prog. Ser.

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“…Bioacoustic larval settlement studies2351225 and investigations of the distances over which reef sound cues may travel have measured those cues in terms of pressure826, leaving responses to particle motion poorly understood. For example, Radford et al 8.…”

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confidence: 99%

Coral reef soundscapes may not be detectable far from the reef

Kaplan

Mooney

2016

Sci Rep

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Biological sounds produced on coral reefs may provide settlement cues to marine larvae. Sound fields are composed of pressure and particle motion, which is the back and forth movement of acoustic particles. Particle motion (i.e., not pressure) is the relevant acoustic stimulus for many, if not most, marine animals. However, there have been no field measurements of reef particle motion. To address this deficiency, both pressure and particle motion were recorded at a range of distances from one Hawaiian coral reef at dawn and mid-morning on three separate days. Sound pressure attenuated with distance from the reef at dawn. Similar trends were apparent for particle velocity but with considerable variability. In general, average sound levels were low and perhaps too faint to be used as an orientation cue except very close to the reef. However, individual transient sounds that exceeded the mean values, sometimes by up to an order of magnitude, might be detectable far from the reef, depending on the hearing abilities of the larva. If sound is not being used as a long-range cue, it might still be useful for habitat selection or other biological activities within a reef.

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“…This information informs both residents and dispersing species about the composition of the local species community, the amount of available resources (such as food, territory and partners), and the presence of potential predators [3][4][5]. Research has shown that the quality of individual signals produced by soniferous animals is affected by stress levels [6], habitat condition [7] and climate [8,9].…”

Section: Introductionmentioning

confidence: 99%

Silent oceans: ocean acidification impoverishes natural soundscapes by altering sound production of the world's noisiest marine invertebrate

Rossi¹,

Connell²,

Nagelkerken³

2016

Proc. R. Soc. B.

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Soundscapes are multidimensional spaces that carry meaningful information for many species about the location and quality of nearby and distant resources. Because soundscapes are the sum of the acoustic signals produced by individual organisms and their interactions, they can be used as a proxy for the condition of whole ecosystems and their occupants. Ocean acidification resulting from anthropogenic CO 2 emissions is known to have profound effects on marine life. However, despite the increasingly recognized ecological importance of soundscapes, there is no empirical test of whether ocean acidification can affect biological sound production. Using field recordings obtained from three geographically separated natural CO 2 vents, we show that forecasted end-of-century ocean acidification conditions can profoundly reduce the biological sound level and frequency of snapping shrimp snaps. Snapping shrimp were among the noisiest marine organisms and the suppression of their sound production at vents was responsible for the vast majority of the soundscape alteration observed. To assess mechanisms that could account for these observations, we tested whether long-term exposure (two to three months) to elevated CO 2 induced a similar reduction in the snapping behaviour (loudness and frequency) of snapping shrimp. The results indicated that the soniferous behaviour of these animals was substantially reduced in both frequency (snaps per minute) and sound level of snaps produced. As coastal marine soundscapes are dominated by biological sounds produced by snapping shrimp, the observed suppression of this component of soundscapes could have important and possibly pervasive ecological consequences for organisms that use soundscapes as a source of information. This trend towards silence could be of particular importance for those species whose larval stages use sound for orientation towards settlement habitats.

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The influence of various reef sounds on coral‐fish larvae behaviour

Cited by 58 publications

References 48 publications

Soundscapes and living communities in coral reefs: temporal and spatial variation

Soundscapes and living communities in coral reefs: temporal and spatial variation

Coral reef soundscapes may not be detectable far from the reef

Silent oceans: ocean acidification impoverishes natural soundscapes by altering sound production of the world's noisiest marine invertebrate

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