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This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with data used to validate aerial fish surveys in Prince William Sound, Alaska. Data includes: date, location, latitude, longitude, aerial ID, validation ID, total length and validation method. Various catch methods were used to obtain fish samples for aerial validations, including: cast net, go pro, hydroacoustics, jig, dip net, gill net, purse seine, photo and visual identification. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z Multiple tables (one for each sample station and frequency) with 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. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
This data package includes 10 child items with data about the distribution, abundance, and morphology of forage fish, zooplankton, and predators, and oceanographic conditions during summer surveys in Prince William Sound, Alaska. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
Categories: Data;
Tags: Acoustic backscatter,
Age composition,
Alaska,
Animals/Invertebrates,
Animals/Vertebrates,
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with the concentrations of inorganic nutrients (NO2, NO3, PO4, and SiOH4) in water samples collected during summer from multiple depths at sampling stations throughout Prince William Sound, Alaska. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
This data package contains one table with morphometric and diet information for "non-die-off" seabirds captured and collected in southcentral and southwest Alaska. Data pertains to birds captured (live) or collected (lethally) including, bird identification numbers, sampling dates, geographic locations, body measurements, diets (from either stomach contents or regurgitated prey), and sex and age of the bird when discernible. Common Murres (Uria aalge) and Black-legged Kittiwakes (Rissa tridactyla) were captured from their breeding colonies in lower Cook Inlet, Alaska, 2016-2023. Kittiwakes, murres, Glaucous-winged Gulls (Larus glaucescens) and Horned Puffins (Fratercula corniculata) were collected in Prince William...
Categories: Data;
Tags: Alaska,
Animals/vertebrates,
Aquatic birds,
Aquatic ecology,
Aquatic ecosystems,
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with fish morphology measurements from a sample of each fish species caught at each sampling station during summer surveys in Prince William Sound, Alaska. The data include: date, time, latitude, longitude, fishing method, fish common name, total length, fork length, weight, and whether or not that fish was saved. 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. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September...
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with fish catch data from summer surveys in Prince William Sound, Alaska. The data include: 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. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with 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. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with several physical oceanographic measures at sampling stations throughout Prince William Sound, Alaska. Data were collected with a Seabird Electronics conductivity-temperature-depth (CTD) profiler equipped with various sensors and data were processed with Seabird Electronics software. Data include: date, time, latitude, longitude, depth, conductivity, temperature, salinity, turbidity, fluorescence, density, oxygen, pH, Par, sound velocity, beam attenuation and transmission at one meter increments. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September...
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with the results from 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. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised:...
Categories: Data;
Tags: Alaska,
Animals/Vertebrates,
Aquatic Biology,
Aquatic birds,
Aquatic mammals,
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table, providing echointegration data of macrozooplankton from three regions of Prince William Sound, Alaska that typically contain foraging aggregations of humpback whales. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
Categories: Data;
Tags: Acoustic backscatter,
Alaska,
Animals/Invertebrates,
Aquatic Biology,
Biomass,
This is a child item of the USGS Data Release: https://doi.org/10.5066/F74J0C9Z One table with age, length, weight, dry mass energy density, and dry mass of forage fish (Pacific sand lance and capelin) captured in July in Prince William Sound, Alaska. Version History: First release: April 2017 Revised: February 2021 (ver. 2.0) Revised: March 2023 (ver. 3.0) Revised: September 2024 (ver. 4.0)
Categories: Data;
Tags: Age composition,
Alaska,
Animals/Vertebrates,
Aquatic Biology,
Bioenergetics,
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