[MARMAM] New Publication: The Not-So-Silent World: Measuring Arctic, Equatorial, and Antarctic Soundscapes in the Atlantic Ocean

Samara Haver samara.haver at noaa.gov
Tue Apr 25 12:37:08 PDT 2017

Dear colleagues,

My coauthors and I are pleased to announce the publication of the following
article in Deep Sea Research Part I:

Haver, S., Klinck, H., Miksis-Olds, J.L., Nieukirk, S.L., Matsumoto, H.,
Dziak, R.P. (2017). The Not-So-Silent World: Measuring Arctic, Equatorial,
and Antarctic Soundscapes in the Atlantic Ocean. *Deep-Sea Research I*,
122, 95-104.

Anthropogenic noise in the ocean has been shown, under certain conditions,
to influence the behavior and health of marine mammals. Noise from human
activities may interfere with the low-frequency acoustic communication of
many Mysticete species, including blue (*Balaenoptera musculus*) and fin
whales (*B. physalus*). This study analyzed three soundscapes in the
Atlantic Ocean, from the Arctic to the Antarctic, to document ambient
sound. For 16 months beginning in August 2009, acoustic data (15–100 Hz)
were collected in the Fram Strait (79°N, 5.5°E), near Ascension Island
(8°S, 14.4°W) and in the Bransfield Strait (62°S, 55.5°W). Results indicate
(1) the highest overall sound levels were measured in the equatorial
Atlantic, in association with high levels of seismic oil and gas
exploration, (2) compared to the tropics, ambient sound levels in polar
regions are more seasonally variable, and (3) individual elements beget the
seasonal and annual variability of ambient sound levels in high latitudes.
Understanding how the variability of natural and man-made contributors to
sound may elicit differences in ocean soundscapes is essential to
developing strategies to manage and conserve marine ecosystems and animals.

The publication is open access and available at
​ <https://doi.org/10.1371/journal.pone.0175037>
​. For more information p​lease contact, samara.haver at noaa.gov.

​Samara ​Haver

*Samara Haver*
Graduate Research Assistant | Cooperative Institute for Marine Resources
Oregon State University | NOAA Pacific Marine Environmental
Laboratory | Hatfield Marine Science Center
*Samara.Haver at noaa.gov <Samara.Haver at noaa.gov>*

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