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Throughout Alaska, land managers and rural communities are faced with developing climate adaptation strategies to prepare for changes in landscapes, ecosystems and terrestrial habitats and their associated resources and services. One of the greatest challenges for land use managers and stakeholders in Alaska is the discovery and accessibility of relevant scientific information and data. The effective dissemination and communication of science relies on improving access for stakeholders to discover research, management plans, and data within their geographic area of interest. To respond to this need, the Northwest Boreal Landscape Conservation Cooperative (NWBLCC) has launched the Northwest Boreal Science and Management...
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This product contains the transcribed count data from the Alaska Izembek Winter Brant Survey. These data were produced from transcribed georeferenced voice recordings using customized software developed by John Hodges (Program Record, Program Transcribe).
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This is the GeoPackage (“TMG_AdditionalArea_Trans.gpkg”) that contains the layer (“main.TMG_Area_Trans”) depicting the spatial extent of the four Additional Survey Area transects that are surveyed 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.Transects do not exist for Cape Simpson as this area is adequately assessed by conducting aerial surveys for lakes only. Piasuk River Delta area is surveyed using a combination of aerial lake surveys and transects. Colville River Delta and Atigaru...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ALPINE/TUNDRA, ANIMALS/VERTEBRATES, ARCTIC TUNDRA, BIOLOGICAL CLASSIFICATION, BIOLOGICAL RECORDS, All tags...
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This collection contains the original “raw” survey data that were recorded and transcribed by each observer during the Yukon-Kuskokwim Delta (YKD) Aerial Breeding Pair Survey. Left-front and right-front seat observers recorded data on geese, swans, and cranes since 1985, while data on eiders, ducks, and waterbirds was recorded by a right-rear seat observer since 1989. These raw transcribed data should be used to produce updated quality-control (QC) datasets by running the quality assurance/quality control script “AKaerial.R” whenever the quality control procedures are revised or modified. The data files in this collection were named using the following naming convention: YKD(YKG)YYYY_RawObs_OOOO, where YKD=Duck...
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This collection of files contains temperature data files (.ttd files) downloaded directly from Tiny Tag devices, as well exported temperature data as .csv files for each nest monitored with Tiny Tags by year. File names include Tiny Tag number, site, year, and nest ID..ttd files can be viewed using Tinytag Explorer. Note, however, that the times displayed by Tinytag Explorer are calculated when the data is displayed and depend on the daylight saving settings of the PC at that time. For example, if a .ttd file is opened before and after DST settings change, then all times displayed by Tinytag Explorer will go forward or back. All .csv files were exported using the Tinytag Explorer during the same daylight savings...
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This file provides final processed GPS Pinpoint location data for Dunlin tagged in 2017. Raw data files were processed with PinPoint Host 2.12.3.27.A portion of these data are available on Movebank (American Golden-Plover: https://www.movebank.org/cms/webapp?gwt_fragment=page=studies,path=study565443493; Dunlin: https://www.movebank.org/cms/webapp?gwt_fragment=page=studies,path=study565467203; Pectoral Sandpiper: https://www.movebank.org/cms/webapp?gwt_fragment=page=studies,path=study560144617; Red Phalarope: https://www.movebank.org/cms/webapp?gwt_fragment=page=studies,path=study917593988; Semipalmated Sandpiper: https://www.movebank.org/cms/webapp?gwt_fragment=page=studies,path=study606508137; Stilt Sandpiper:...
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This file contains information on adult shorebirds tracked in this study including band number, sex and age, status, date and time captured, location of capture, band combination, morphological measurements, molting status, samples collected, and tagging information.The data providers have invested considerable effort in QA/QC, but it is possible that undetected errors remain. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions, or intended use. The originators of this dataset shall not be held liable for improper or incorrect use of the data described and/or contained herein.Potential users of these...
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This file contains information on weekly point counts of potential shorebird predators including date and time, location, and predator observations.A portion of these data are available on the NSF Arctic Data Center (https://doi.org/10.18739/A23R0PT35).The data providers have invested considerable effort in QA/QC, but it is possible that undetected errors remain. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions, or intended use. The originators of this dataset shall not be held liable for improper or incorrect use of the data described and/or contained herein.Potential users of these data should...
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This file contains information on daily counts of species encountered while in the field including date, observer effort, and number of encounters for each species.A portion of these data are available on the NSF Arctic Data Center (https://doi.org/10.18739/A23R0PT35).The data providers have invested considerable effort in QA/QC, but it is possible that undetected errors remain. It is strongly recommended that careful attention be paid to the contents of the metadata file associated with these data to evaluate data set limitations, restrictions, or intended use. The originators of this dataset shall not be held liable for improper or incorrect use of the data described and/or contained herein.Potential users of...
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Between September and November each year, nearly the entire world population of Pacific black brant (Branta bernicla nigricans) stages at Izembek Lagoon and surrounding estuaries (hereafter: Izembek Complex). The Izembek Complex is a unique area of protected brackish waters, supporting one of the world’s largest eelgrass beds and a diverse array of wildlife. The Alaska Fall Brant Survey has been conducted annually since 1976 in late-September through October, to provide an index of abundance for the entire post-breeding Pacific black brant population (Branta bernicla nigricans), while secondarily, providing annual fall population indices for cackling geese (Branta hutchinsii), emperor geese (Anser canagicus), and...
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This is the quality controlled YKD salinity data for fixed and random plots 2006 - 2019. These data are quality controlled using the R code in the file ‘YKDsalinity_QC.R’ to produce the data used for analysis and sharing (‘YKDsalinity_QC.R’). These data should be what is used for analysis or distributed on request.
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This R code (PrepData.R) is used to process the quality controlled legacy nest card data (1985 - 2019) together with the observer names data to produce a capture history data set plot searched twice in 1995 to 1999. Second searches of plot are defined by the PLOTTYPE = “R2” in the nest cards data. Matches are define by the PREVIOUSOBS and PREVIOUSNEST field in the nest card data set but a large number of quality control issue arise in this process and are resolve as detailed in this code. This code produces a data file “chdata.csv” that defines the capture history for each nest and is used as input to Program MARK and JAGS for model fitting and detection estimation. Basic operations include reconciling species and...
Categories: Data, Software; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, ANIMALS/VERTEBRATES, All tags...
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Dusky Canada geese (Branta canadensis occidentalis) comprise one of the smallest populations of geese in North America and their breeding range is limited to Prince William Sound, primarily the Copper River Delta, and Middleton Island, Alaska. The Alaska Region of Migratory Bird Management initiated an aerial breeding pair survey on the Copper River Delta in 1986 after reported declines in the abundance of dusky Canada geese on their nesting and wintering grounds. Since 2008, the Pacific Flyway Council uses results of the aerial breeding pair survey, together with Middleton Island ground counts conducted by the Alaska Department of Fish and Game, as a management index to determine optimal hunting regulations. Survey...
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Dusky Canada geese (Branta canadensis occidentalis) comprise one of the smallest populations of geese in North America and their breeding range is limited to Prince William Sound, primarily the Copper River Delta, and Middleton Island, Alaska. The Alaska Region of Migratory Bird Management initiated an aerial breeding pair survey on the Copper River Delta in 1986 after reported declines in the abundance of dusky Canada geese on their nesting and wintering grounds. Since 2008, the Pacific Flyway Council uses results of the aerial breeding pair survey, together with Middleton Island ground counts conducted by the Alaska Department of Fish and Game, as a management index to determine optimal hunting regulations. Survey...
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Combined population indices of ducks and loons (YKD) and geese and swans (YKG) for the USFWS Region Migratory Bird Management Alaska Yukon-Kuskokwim Delta Aerial Survey study area in a combined csv format. The survey consists of low-level aerial observations of waterfowl on a stratified strip transect design. The resulting data frame is several indices combined over observers (or single observer in years where estimates were not combined) and calculated using a standard ratio estimator. These data are output from the R package AKaerial and are also available within that package, see https://github.com/USFWS/AKaerial.
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This contain a zip folder of comma delimited (CSV) files for each of the 19 tables in the report. It is produced automatically upon compiling the R Quarto code. Column headers are difference than in the tables in the report but order is exactly the same. Refer to the report to understand meaning of the columns. Each cell of the tables contain a management index estimate or the standard error of the estimate.
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This project is an annual communicating memo explicitly designed to inform the Alaska Migratory Bird Comanagement Council and related partners of the survey results and subsequent population index for emperor geese (Anser canagicus) for incorporation of the data into the harvest management strategy and regulatory processes. This memorandum is additionally shared widely with partners outside the USFWS. The major products are an annual report in .pdf format and the associated R Markdown generating code.
map background search result map search result map Northwest Boreal Science and Management Research Tool Alaska Yukon Delta Pond Salinity Data 2006 - 2019 2023 Alaska Goose, Swan, and Crane Population Indices Tabular Data Alaska Izembek Brant Winter Aerial Survey Raw Observations 2012-Present Alaska Izembek Fall Brant Aerial Survey 1976-Present Teshekpuk Lake Alaska Molting Goose Additional Survey Area Transects GeoPackage Alaska Yukon Delta Nest Plot Distance Sampling Field Protocol Alaska Yukon Delta Double Observer Nest Card Quality Control R Code Alaska Yukon-Kuskokwim Delta Aerial Survey Raw Transcribed Data Utqiagvik Alaska Nest Tiny Tag Temperature data Alaska Shorebird Tracking study Pinpoint locations DUNL Alaska Adult Shorebird Banding and Tracking study Utqiagvik Alaska Predator Surveys Utqiagvik Alaska Daily Species Counts Spoon-billed Sandpiper survey near Kotzebue Alaska publications Utqiagvik Alaska Shorebird Chick Monitoring protocols 2024 Alaska Emperor Goose Population Index Update Alaska Yukon-Kuskokwim Delta Aerial Survey Combined Index Estimates 1985 to present Alaska Copper River Delta Aerial Dusky Canada Goose Breeding Pair Survey Alaska Copper River Delta Aerial Dusky Canada Goose Breeding Pair Survey Combined Index Estimates 1986 to present Utqiagvik Alaska Nest Tiny Tag Temperature data Utqiagvik Alaska Predator Surveys Utqiagvik Alaska Daily Species Counts Utqiagvik Alaska Shorebird Chick Monitoring protocols Alaska Izembek Fall Brant Aerial Survey 1976-Present Alaska Copper River Delta Aerial Dusky Canada Goose Breeding Pair Survey Alaska Copper River Delta Aerial Dusky Canada Goose Breeding Pair Survey Combined Index Estimates 1986 to present Alaska Izembek Brant Winter Aerial Survey Raw Observations 2012-Present Alaska Yukon Delta Pond Salinity Data 2006 - 2019 Teshekpuk Lake Alaska Molting Goose Additional Survey Area Transects GeoPackage Alaska Yukon Delta Nest Plot Distance Sampling Field Protocol Alaska Yukon Delta Double Observer Nest Card Quality Control R Code Spoon-billed Sandpiper survey near Kotzebue Alaska publications Alaska Yukon-Kuskokwim Delta Aerial Survey Raw Transcribed Data Alaska Yukon-Kuskokwim Delta Aerial Survey Combined Index Estimates 1985 to present Northwest Boreal Science and Management Research Tool 2023 Alaska Goose, Swan, and Crane Population Indices Tabular Data 2024 Alaska Emperor Goose Population Index Update Alaska Shorebird Tracking study Pinpoint locations DUNL Alaska Adult Shorebird Banding and Tracking study