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Hydroacoustic Survey Data from Prince William Sound, Alaska
These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, pelagic monitoring component. This datasets consist of multiple tables (one for each sample station and frequency), providing echointegration data from forage fish survey transects in Prince William Sound, Alaska. Each file contains analysis exports from EchoView Software Pty Ltd. ver. 7.1.29.30212.
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Hydroacoustic Survey Data from Lower Cook Inlet, Alaska
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This dataset consists of one table with Area Backscattering Coefficient (ABC) data from hydroacoustic transect surveys collected around two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.
Macrozooplankton Hydroacoustic Index Data from Prince William Sound, Alaska
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These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, pelagic monitoring component. This dataset consists of one table, providing echointegration data of macrozooplankton from three regions of Prince William Sound, Alaska that typically contain foraging aggregations of humpback whales.
Marine Bird and Mammal Survey Data from Prince William Sound, Alaska
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These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, pelagic monitoring component. This dataset consists of one table, providing the results of surveys conducted to document the summer at-sea distribution and abundance of marine birds and mammals in Prince William Sound, Alaska. Surveys followed standard U.S. Fish and Wildlife protocols for strip surveys. Data include: transect ID, date, time, latitude, longitude, record number, data type, animal species, count, behavior, plumage, distance, observers, observer conditions, the altitude of the survey, ice presence, trip ID, beaufort, transect type, transect width, and comments.
Forage Fish Catch Data from Prince William Sound, Alaska
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These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, pelagic monitoring component. This dataset consists of one table, providing fish catch data from summer surveys in Prince William Sound, Alaska. Data includes: date, time, latitude, longitude, fish common name, and fish count. Various catch methods were used to obtain fish samples for aerial and hydroacoustic validations, including: modified herring trawl, purse seine, beach seine, gillnet, cast net, dip net, and jig.
Hydroacoustic Surveys, North Pacific and Bering Sea, 2012 and 2014
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These data comprise of hydroacoustic backscatter data along transects in the North Pacific and Bering Sea conducted in August 2012 and 2014. We echointegrated hydroactoustic backscatter and used that as a proxy for forage fish biomass. The dataset consists of comma delimited files for 120Hz frequency. Each file contains analysis exports from EchoView Software Pty Ltd. ver. 5.4.
Zooplankton Biomass Data from Prince William Sound, Alaska
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These data are part of the Gulf Watch Alaska (GWA) long term monitoring program, pelagic monitoring component. This dataset consists of one table, providing zooplankton biomass data from samples collected in the upper 50 m of the water column during summer surveys in Prince William Sound, Alaska. Data include: date, time, latitude, longitude, depth, species identification, and biomass.
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