to Dr. Arthur N. Popper's
Laboratory of Aquatic Bioacoustics
I have retired from my facutly position
and no longer have a lab.
Thus, I no longer supervise
UMD undergraduate students, graduate students, or postdocs.
I do, however, continue my active
involvement in research and other activities through collaborations
and outreach. Some of my current activities include:
My research has primarily involved the study of hearing by aquatic organisms. Most
work focuses on fishes,
although studies have been done with other non-mammalian vertebrates.
Our fish studies have focused on various aspects of hearing that range
from behavioral investigations to determine what an animal can hear
to physiological investigations of the responses of the ear and
The majority of my work
is now involved with studies on the
effects of human-generated
(anthropogenic) sound on aquatic organisms. This has resulted in
a series of studies that explored behavioral and physiological
effects of increased ambient sounds on fish. These
studies have asked about effects of seismic air-guns, pile driving,
and general increases in background sound levels on fish hearing and
Investigations in the
past have ranged
from basic questions concerning evolution and mechanisms of sound
detection, investigations of hearing sensitivity, studies on the
anatomy and ultrastructure of the ear, and many other topics (see
publications link at left).
of Noise on
Over the past several years, I have been
involved in the organization of several international meetings on
the Effects of Noise on Aquatic Life. Another meeting took place in
2013 in Budapest, with the proceedings published as a
co-edited with Dr. Anthony Hawkins. The most recent meeting
took place in Dublin in July, 2016 and papers from that meeting are
avaialbe, open access, in the
Proceedings of Meetings on Acoustics, volume 27.
Working with colleagues from around the world, we
developed "guidelines" on the effects of noise on fishes and sea
turtles. The report citation is below.
Hawkins, A.D., Fay, R.R., Mann, D., Bartol, S., Carlson, T., Coombs,
S., Ellison, W.T., Gentry, R., Halvorsen, M.B., Løkkeborg, S.,
Rogers, P., Southall, B.L., Zeddies, D., Tavolga, W.N. (2014) Sound
Exposure Guidelines for Fishes and Sea Turtles: A Technical Report
prepared by ANSI-Accredited Standards Committee S3/SC1 and
registered with ANSI. ASA S3/SC1.4 TR-2014. Springer and ASA Press,
Cham, Switzerland. Link_
Since that report, my colleague Professor Anthony Hawkins and I have
wrtten several additional papers germane to the topic effects of
man-made sound on aquatic animals.
D., Pembroke, A., and Popper, A. N. (2015). Information gaps in
understanding the effects of noise on fishes and invertebrates.
Reviews in Fish Biology and Fisheries. 25:39-64.
A. D. and Popper, A. N. (in press). A
sound approach to assessing the impact of underwater noise on marine
fishes and invertebrates.
ICES Journal of Marine Science.
My longtime colleague and friend
Dr. Richard Fay and I have
recently published our 25th co-authored paper.
Fay, R. R. and Popper, A. N. (2012).
New perspectives from two “senior” bioacousticians. Brain, Behaviour
and Evolution 792:215-217. DOI: 10.1159/000338719
We are also very proud and grateful that our former students
and many colleagues have published a book in our honor,
and Bioacoustics edited by our colleague Dr. Joseph Sisneros.
A chapter in that book describes our collaboration of almost 45
Popper, Arthur N.
and Fay, Richard R. (2016). It Started in Hawai’i Kai: Reminiscences
of 43 Years (and Counting) of Collaboration and Friendship.
In: Sisneros, J. A. (ed.) Fish
Hearing and Bioacoustics: An Anthology in Honor of Arthur N. Popper
and Richard R. Fay, Springer International Publishing, Chaim,
Switzerland, pp. 31-52.
Papers on Effects of Pile Driving on FIshes
M.B., Casper, B.M., Woodley, C.M., Carlson, T.J., and Popper,
A.N. (2011). Predicting and mitigating hydroacoustic impacts
on fish from pile installations. NCHRP Research Results
Digest 363, Project 25-28, National Cooperative Highway Research
Program, Transportation Research Board, National Academy of
Sciences, Washington, D.C. Link
Halvorsen, M. B., Casper, B. M, Woodley, C. M.,
Carlson, T. J., and Popper, A. N. (2012).
Threshold for onset
of injury in Chinook salmon from exposure to impulsive pile driving
sounds. PLoS ONE, 7(6)
Casper, B. M., Popper, A. N., Matthews, F., Carlson,
T. J., and Halvorsen, M. B. (2012).
Recovery of barotrauma injuries in Chinook salmon, Oncorhynchus tshawytscha from exposure to pile driving sound. PLoS ONE,
7(6): e39593. doi:10.1371/journal.pone.0039593.
Halvorsen, M. B., Casper, B. M., Matthews, F.,
Carlson, T. J., and Popper, A. N. (2012).
Effects of exposure
to pile driving sounds on the lake sturgeon, Nile tilapia, and hogchoker. Proceedings of the Royal Society B. 279, 4705-4714 doi: 10.1098/rspb.2012.154. Link.
Casper, B. M., Smith, M. E., Halvorsen, M. B., Sun,
H., Carlson, T. J., and Popper, A. N. (2013). Effects of exposure to
pile driving sounds on fish inner ear tissues. Comparative
Biochemistry and Physiology A, 166:352-360. Link
Casper, B. M. Halvorsen, M. B., Mathews, F., Carlson,
T. J., and Popper, A. N. (2013). Recovery of barotrauma injuries
resulting from exposure to pile driving sounds in two sizes of
hybrid striped bass. PLoS ONE,
8(9): e73844. doi:10.1371/journal.pone.0073844
Popper, A. N.., Halvorsen, M. B., Casper, B. M, and Carlson, T. J.
(2013). U. S. Dept. of the Interior, Bureau of Ocean Energy
Management, Headquarters, Herndon, VA. Effects of Pile Sounds on
Non-Auditory Tissues of Fish. OCS Study BOEM 2012-105. 60 pp. Link - reference OCS Study BOEM 2012-105
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