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Filters: Contacts: David E. Safine (X)

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This project is an annual communicating memo explicitly designed to inform the Pacific Flyway Representative of waterfowl survey results for incorporation of the data into harvest management reports and regulatory processes. This memorandum is additionally shared widely with partners outside the USFWS. The major products are an annual reporting memo–automatically generated from an R Quarto document, and 19 species-specific comma delimited table files that appear in the memo, and the generating R (.rmd) code.
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This project is the 2024 annual communicating memo explicitly designed to inform the Pacific Flyway Representative of waterfowl survey results for incorporation of the data into harvest management reports and regulatory processes. This memorandum is additionally shared widely with partners outside the USFWS. The major products are an annual reporting memo–automatically generated from an R Quarto document, and 19 species-specific comma delimited table files that appear in the memo, and the generating R (.rmd) code.
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Aerial track files (1997 to 2022) collected using the FWS software program “RECORD” (John I. Hodges, MBM-Alaska) running on laptop computers. Program RECORD was activated during the survey before arriving at the first transect and shut down after the last transect was completed, prior to engine shut-down. “Raw” track files recorded the flightpath of the aircraft including the area surveyed on each transect. GPS coordinates were captured every five seconds using a recreational grade receiver with an estimated positional accuracy of 5-10 meters after the software program was activated. These raw track files have not been quality checked, so they may contain missing or erroneous coordinates if the GPS signal was intermittent...


    map background search result map search result map 2023 Alaska Goose, Swan, and Crane Population Indices products Alaska Arctic Coastal Plain Aerial Survey Breeding Pair Raw Track Files (Record Software) 1997-2022 2024 Alaska Goose, Swan, and Crane Population Indices products Alaska Arctic Coastal Plain Aerial Survey Breeding Pair Raw Track Files (Record Software) 1997-2022 2023 Alaska Goose, Swan, and Crane Population Indices products 2024 Alaska Goose, Swan, and Crane Population Indices products