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The Pacific Flyway Winter Brant Survey (WBS) has been conducted annually since 1981 as part of a cooperative effort by the U.S. Fish and Wildlife Service, Canadian Wildlife Service, Mexico, and the Pacific U.S. states, to estimate the abundance of the Pacific black brant (Branta bernicla nigricans) in their principal wintering areas along the Pacific Coast (in Baja, Mexico, California, Oregon, Washington, British Columbia, and Alaska). The survey is conducted each winter in January-February by a composite of ground and aerial crews, with the Alaska portion being conducted by the Alaska Region of USFWS Migratory Bird Management. The primary objective of the Alaska survey component is to provide an annual index of...
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The Pacific Flyway Winter Brant Survey (WBS) has been conducted annually since 1981 as part of a cooperative effort by the U.S. Fish and Wildlife Service, Canadian Wildlife Service, Mexico, and the Pacific U.S. states, to estimate the abundance of the Pacific black brant (Branta bernicla nigricans) in their principal wintering areas along the Pacific Coast (in Baja, Mexico, California, Oregon, Washington, British Columbia, and Alaska). The survey is conducted each winter in January-February by a composite of ground and aerial crews, with the Alaska portion being conducted by the Alaska Region of USFWS Migratory Bird Management. The primary objective of the Alaska survey component is to provide an annual index of...
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The Arctic_shorebird_age_tool.xls was developed by Brooke Hill (updated in 2021 by Sarah Saalfeld) to estimate hatch dates, nest initiation dates, and nest incubation dates for nests with known hatch dates or initiation dates (i.e., date first egg is laid).This tool can be found in the protocol folder.This tool provides species-specific estimates for 10 species: American Golden-Plover (AMGP), Dunlin (DUNL), Pectoral Sandpiper (PESA), Red-necked Phalarope (RNPH), Red Phalarope (REPH), Ruddy Turnstone (RUTU), Semipalmated Sandpipe (SESA), Long-billed Dowitcher (LBDO), Buff-breasted Sandpiper (BBSA), and Western Sandpiper (WESA).To use the tool, enter correct information for maximum number of eggs and either the hatch...
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This file provides occurrence (i.e., presence) data for all birds encountered during Spoon-billed Sandpiper surveys (both during and after point counts, excluding shorebirds observed during point counts) including information on date, location, and species observed.These data do not represent all locations where specific avian species may be present, as surveys only occurred in discrete survey plots. Additionally, individual birds may have went undetected within survey plots, as detectability was likely less than 100%, and is a function of many variables, including differences in species, habitat, time-of-year, weather conditions, survey effort, and individual surveyor. The data providers have invested considerable...
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This file provides data collected when a chick was captured or recaptured including species, date and time, location, manipulation, and measurements.Information for the Utqiagvik chick monitoring study were obtained concurrently with information obtained for the Utqiagvik shorebird project and information on chicks and nests included in these files is also contained within the Utqiagvik shorebird project archive (file://ifw7ro-file.fws.doi.net/datamgt/mbm/mbmsh_009_Utqiagvik_shorebird_project). If there are discrepancies between the files please use the information contained within the Utqiagvik shorebird project files. Additional information on chick growth was also obtained in 2013 by Kirsten Grond and is included...
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This is the GeoPackage (“TMG_AdditionalAreas.gpkg”) that contains the layer (“main.TMG_NewAreas”) depicting the spatial extent of the four Additional Survey Areas that are assessed during the annual MBM-AK TLSA molting goose aerial surveys. This GeoPackage (NAD83; ESPG: 3338) was created by Michael Swain in August 2021 and subsequently emailed to Maggie Harings. It includes waterbody units, waterbody types, and waterbody perimeter as well as their areas.
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ALPINE/TUNDRA, ALPINE/TUNDRA, ALPINE/TUNDRA, ALPINE/TUNDRA, ALPINE/TUNDRA, All tags...
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This GeoPackage, WBPHS_Strata.gpkg, contains the approximate WBPHS survey design stratum boundaries for Alaska and Old Crow Flats, Yukon Territory (i.e., strata 1 through 12). Strata 1-12 were adopted in 1974 and are applied retroactively to all years of data during analyses. The strata and measurements in this GeoPackage are not accurate, because MBM-AK has been unable to locate clear, unequivocal documentation of the exact boundary delineations that were measured and adopted in 1974. Multiple versions of historical paper maps and blueprints exist on which survey designers drew stratum boundaries; however, the maps do not include documentation on what the drawn boundaries represent, i.e., whether they were draft...
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The Alaska Trumpeter Swan Survey data files (AK_TRUS_Data_YYYY.csv, where YYYY = survey year) include a field called “Contrib,” which indicates the organization that collected the data. Each organization is identified by a numeric code. Contrib_Codes_AK_TRUS_Survey.csv defines the data-contributor codes that were entered in the Contrib field.
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This project developed an artificial intelligence system based on a convoluted neural network capable of detecting and counting sea duck individuals in aerial photos and classifying individuals to species and sex when possible, to reduce time and cost commitments associated with processing imagery from aerial surveys. We used a dataset consisting of 810 aerial images containing sea ducks and other birds in offshore and coastal environments. Images were collected from fixed wing aircraft at varying flight heights and image resolution. A biologist reviewed each image identifying and annotating the position of objects of interest (birds) in the image by drawing a bounding box surrounding each object, and assigned species...
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This dataset, SummerSimplified.csv, contains the bird and marine mammal data collected during the 1997-2002 aerial summer Southeast Alaska Nearshore Waterbird Survey, edited for quality-control (QC) purposes. During the QC process, observations of the same species that were less than 0.3 nautical miles apart were merged. Species codes of certain species were changed to a group code, e.g., scoter-specific species (BLSC, SUSC, WWSC) to SCOT. Species that were considered inadequately surveyed due to detection issues or inappropriateness of the survey design were removed.
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The daily flight tracks of the 1997-2002 aerial winter Southeast Alaska Nearshore Waterbird Survey were recorded to an onboard computer using the custom survey software RECORD (John I. Hodges, FWS-MBM-Alaska, retired). The tracks were recorded by capturing the plane’s location from a GPS every five seconds as long as the software was running. The software was started at some time between the aircraft’s engine start and the start of the survey, and was shut down at some time between the end of the survey and engine shut-down. The tracks thus may include the aircraft’s flight to and from the airport base. Note that the 1997 flight tracks are missing.The track files in all years except 2002 are named TRMMDDYY_AIR.csv,...
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From 1981 to 2009, MBM-AK collaborated with its partner, U.S. Forest Service Cordova Ranger District, to conduct spring nesting and late-summer trumpeter swan surveys on the Copper River Delta, Alaska. An annual summary report was produced by MBM-AK. As of the date that this metadata was written, only the 2004-2009 reports were available in digital format and archived in the FWS Alaska Regional Data Repository (AK_Swan_Database project). All the reports in paper format are available upon request from MBM-AK (see contact information elsewhere in this metadata).
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The Alaska Swan Survey Protocol was first developed by MBM-AK (James G. King, retired) in the 1960s to describe a standardized method of conducting aerial swan surveys in Alaska. Documentation of the protocol was last updated in 2007. All the swan survey data in the Alaska Swan Database were collected using this protocol.
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The code repository for the quality controll processing, data creation, modelling, and mapping or trend estimation is at https://github.com/USFWS/ACP-Mapping. The full history of the quality control process and issues is documented in R code file in this repository. Please report any addition errors to https://github.com/USFWS/ACP-Mapping/issues and follow update of this repositiry to keep track of new errors and updates to data sets, maps, or trend estimates.
map background search result map search result map Copper River Delta Swan Survey Reports Alaska Izembek Brant Winter Aerial Survey 1981-present Southeast Alaska Nearshore Summer Air QC Data 1997-2002 Southeast Alaska Nearshore Winter Flight Tracks 1997-2002 Alaska Swan Survey Protocol 2007 Alaska Trumpeter Swan Survey Contribution Codes Teshekpuk Lake Alaska Molting Goose Additional Survey Areas GeoPackage Waterfowl Breeding Population Habitat Survey Alaska Strata geodata Automated Sea Duck Counts from Aerial Imagery Arctic Coastal Plain Aerial Survey Github Code Repository Arctic Alaska Shorebird Age Tool Utqiagvik Alaska Shorebird Study Publications Utqiagvik Alaska Dunlin Brood Survival publications Spoon-billed Sandpiper Surveys of All Bird Occurrence data from Near Kotzebue Alaska Utqiagvik Alaska Shorebird Chick Monitoring data Alaska JBER Reports 2016-Present Alaska JBER Avian Nest Data, 2017-Present Alaska JBER Protocol 2018 Alaska Eareckson Avian Banding Data 2021-Present Alaska Izembek Brant Winter Aerial Survey Report 2014 Alaska Eareckson Avian Banding Data 2021-Present Utqiagvik Alaska Dunlin Brood Survival publications Arctic Alaska Shorebird Age Tool Utqiagvik Alaska Shorebird Study Publications Utqiagvik Alaska Shorebird Chick Monitoring data Alaska Izembek Brant Winter Aerial Survey 1981-present Alaska Izembek Brant Winter Aerial Survey Report 2014 Alaska JBER Reports 2016-Present Alaska JBER Avian Nest Data, 2017-Present Alaska JBER Protocol 2018 Copper River Delta Swan Survey Reports Teshekpuk Lake Alaska Molting Goose Additional Survey Areas GeoPackage Spoon-billed Sandpiper Surveys of All Bird Occurrence data from Near Kotzebue Alaska Southeast Alaska Nearshore Summer Air QC Data 1997-2002 Southeast Alaska Nearshore Winter Flight Tracks 1997-2002 Arctic Coastal Plain Aerial Survey Github Code Repository Waterfowl Breeding Population Habitat Survey Alaska Strata geodata Alaska Trumpeter Swan Survey Contribution Codes Alaska Swan Survey Protocol 2007 Automated Sea Duck Counts from Aerial Imagery