Ecosystem Studies of Atlantic Cod Spawning Aggregations in Relation to Fisheries Interactions Using Novel Active and Passive Acoustic Approaches

McGuire, Christopher H.; Dean, Micah J.; Hoffman, William S.; Cadrin, Steven X.; Zemeckis, Douglas; Van Parijs, Sofie M.; Hatch, Leila

doi:10.25923/j7cn-tj14

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Ecosystem Studies of Atlantic Cod Spawning Aggregations in Relation to Fisheries Interactions Using Novel Active and Passive Acoustic Approaches

2016
By McGuire, Christopher H. ; Dean, Micah J. ; Hoffman, William S. ; ...

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Personal Author:

McGuire, Christopher H. ; Dean, Micah J. ; Hoffman, William S. ; Cadrin, Steven X. ; Zemeckis, Douglas ; ... More +

McGuire, Christopher H. ; Dean, Micah J. ; Hoffman, William S. ; Cadrin, Steven X. ; Zemeckis, Douglas ; Van Parijs, Sofie M. ; Hatch, Leila Less -
Corporate Authors:

United States, National Marine Fisheries Service. ; Nature Conservancy (U.S.)

United States, National Marine Fisheries Service. ; Nature Conservancy (U.S.) Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service)
Description:

Through effective collaboration among state, academic, federal, and NGO scientists, and commercial fishermen, this study successfully utilized multiple acoustic technologies to identify the spatial and temporal distribution of cod spawning activity during three consecutive winter spawning seasons from October 2013 through March 2016 in Massachusetts Bay. Based on a combined synthesis of the acoustic telemetry and passive acoustic monitoring data, from both fixed station and mobile autonomous glider deployments, the temporal distribution of cod spawning activity was shown to have some inter-annual variability, but based on the results from all three years, spawning activity primarily occurred during early November through January with a peak in mid-December. The spatial distribution of spawning activity was generally consistent among years and concentrated in areas deeper than 50 meters. Our scale of observation annually increased and permitted documentation of multiple hotspots of spawning activity, including just west of the northwest corner of Stellwagen Bank as the primary focal point of spawning activity, with other lesser focal points inside the WCCZ and just east of the Neptune LNG terminal.
Keywords:

[+]

Atlantic Cod Fisheries Evaluation Fishes Measurement Spawning Underwater Acoustics
DOI:

https://doi.org/10.25923/j7cn-tj14
Document Type:

Miscellaneous
Funding:

Grant no. NA14NMF4270027
Place as Subject:

Massachusetts Bay (Mass.) ; North Atlantic Ocean ; United States

Massachusetts Bay (Mass.) ; North Atlantic Ocean ; United States Less -
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:39f4ffe20d61b323ceee44e150a6816b8a484eb42c24105bbcf6ed9793191fc0
Download URL:

https://repository.library.noaa.gov/view/noaa/25906/noaa_25906_DS1.pdf
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Ecosystem Studies of Atlantic Cod Spawning Aggregations in Relation to Fisheries Interactions Using Novel Active and Passive Acoustic Approaches

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