P i A ti M it i f Passive Acoustic Monitoring for Marine Mammals in the Gulf of Mexico John Hildebrand Scripps Institution of Oceanography University of California San Diego With contributions from: Natalia Sidorovskaia [email protected]Aaron Rice arice@cornell edu Aaron Rice arice@cornell.edu April 7, 2015 - Gulf of Mexico Marine Mammal Research and Monitoring Meeting Astor Crowne Plaza, New Orleans, LA
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PiA tiMiti fPassive Acoustic Monitoring for Marine Mammals ...€¦ · Gulf Ecological Monitoring and Modeling 2015-2017 2015-2017 objectives: 1. Long-term ecosystem-centered passive
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P i A ti M it i fPassive Acoustic Monitoring forMarine Mammals in the Gulf of Mexico
John HildebrandScripps Institution of Oceanography
acoustic monitoring (E-PAM) of marine mammal recovery after the spill;
2 Comparison of E-PAM platforms for 2. Comparison of E-PAM platforms for cost-effective near real-time monitoring (bottom-moored buoys, Seagliders, and ASV);
Sperm Whale DetectionsOil on surface Mississippi Canyon
100
50 y
0
100s pe
r Day
Green Canyon100
50
5 m
in B
ins
D T t
0100
ntag
e of
5
Dry Tortugas
50 Perc
en
02010 2011 2012
Density Estimation Equation
Sperm Whale Density Estimation – Results
Oil on surface
40
200 km
2
20
020 n
# /1
000
20
10
stim
ates
i
010
ensi
ty E
s
5
Wee
kly
D
0
W
Sperm Whale Visual and AcousticNMFS Visual Surveys in 1996-2001 and 2003-2004NMFS Visual Surveys in 1996 2001 and 2003 2004Number = 1,665 (CV=0.20)Visual Density Estimate = 5.4 / 1000 km2
Sighting Area = 311 x 1000 km2
MC12.1
GC2.9
DTDT0.6
Acoustic Density Estimates in # /1000 km2
Pygmy and Dwarf Sperm Whales
Dwarf Sperm whalePygmy Sperm whale
Kogia spp. echolocation clicksHARP sampled at 320 kHz
Kogia spp. echolocation clicksMC HARP sampled at 200 kHz
Dwarf & Pygmy Sperm Whale DetectionsOil on surface
5
2 5
Oil on surface
Day
Mississippi CanyonMississippi Canyon
2.5
0
nspe
r D
5
2.5 min
Bin Green CanyonGreen Canyon
0
5age
of 5
D T5
2.5
Per
cent
a Dry TortugasDry Tortugas
0
P
2010 2011 2012
Kogia Spp. Visual and AcousticNMFS Visual SurveysNMFS Visual SurveysNumber = 453 (CV=0.35) Sighting Area = 378 x 1000 km2