Last call: Passive acoustic monitoring shows continued rapid decline of critically endangered vaquita

Thomas, Len; Jaramillo-Legorreta, Armando; Cardenas-Hinojosa, Gustavo; Nieto-Garcia, Edwyna; Rojas-Bracho, Lorenzo; Ver Hoef, Jay M.; Moore, Jeffrey; Taylor, Barbara; Barlow, Jay; Tregenza, Nicholas

doi:10.1121/1.5011673

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Last call: Passive acoustic monitoring shows continued rapid decline of critically endangered vaquita

2017
By Thomas, Len ; Jaramillo-Legorreta, Armando ; Cardenas-Hinojosa, Gustavo ; ...
Source: The Journal of the Acoustical Society of America, 142(5), EL512-EL517

[PDF-1.67 MB]

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Journal Title:

The Journal of the Acoustical Society of America
Personal Author:

Thomas, Len ; Jaramillo-Legorreta, Armando ; Cardenas-Hinojosa, Gustavo ; Nieto-Garcia, Edwyna ; Rojas-Bracho, Lorenzo ; ... More +

Thomas, Len ; Jaramillo-Legorreta, Armando ; Cardenas-Hinojosa, Gustavo ; Nieto-Garcia, Edwyna ; Rojas-Bracho, Lorenzo ; Ver Hoef, Jay M. ; Moore, Jeffrey ; Taylor, Barbara ; Barlow, Jay ; Tregenza, Nicholas Less -
NOAA Program & Office:

AFSC (Alaska Fisheries Science Center) ; NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center)

AFSC (Alaska Fisheries Science Center) ; NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

The vaquita is a critically endangered species of porpoise. It produces echolocation clicks, making it a good candidate for passive acoustic monitoring. A systematic grid of sensors has been deployed for 3 months annually since 2011; results from 2016 are reported here. Statistical models (to compensate for non-uniform data loss) show an overall decline in the acoustic detection rate between 2015 and 2016 of 49% (95% credible interval 82% decline to 8% increase), and total decline between 2011 and 2016 of over 90%. Assuming the acoustic detection rate is proportional to population size, approximately 30 vaquita (95% credible interval 8–96) remained in November 2016.
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Acoustics And Ultrasonics Arts And Humanities (miscellaneous)
Source:

The Journal of the Acoustical Society of America, 142(5), EL512-EL517
DOI:

https://doi.org/10.1121/1.5011673
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0001-4966;1520-8524;
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PDF
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Acoustical Society of America (ASA)
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Journal Article
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urn:sha-512:6fda8d5c902a74f54ec014b5949b09f07bf74ebc481b5631e1a505ebdd7e0be99158fce783c08472b244e790b478d674543b8db95dad06f5d5db38c76627451f
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Last call: Passive acoustic monitoring shows continued rapid decline of critically endangered vaquita

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