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This file contains information on location of potential shorebird predator nests or den sites including date, location, and status.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 first contact the...
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This file contains information on breeding dates of species encountered while in the field including nesting, hatching, and fledgling dates.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 first...
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This file contains information from nests associated with monitored chicks including species, location, manipulation, fate, and information on associated adults and chicks.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...
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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 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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This is the final report from SDJV Project #157: Automated Sea Duck Counts from Aerial Imagery, conducted by WEST, Inc.
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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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SEAK_Nearshore_Survey_Area.gpkg is a geopackage that contains a polygon layer of the survey area for the summer and winter Southeast Alaska Nearshore Waterbird Surveys. All of the shoreline in the layer was surveyed, including rocks and small islets.
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There are four kinds of observers that will be examining photos for birds, and four separate datasheets will contain results from these observers for each survey. The first observer, ‘PRI’ = the primary observer, looks at all photos taken and records bird presence/absence. The ‘SEC’ = the secondary observer, speciates the birds found by the primary observer, and counts the Steller’s eiders. The ‘TER’ = the tertiary observer, reviews the speciation and/or counts of the secondary observer as a check. The ‘ERR’ = the error rate observer, independently records bird presence/absence in a subset (10%) of the photos that the primary observer viewed as a check on the PRI accuracy. When all are complete, they are combined...
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This is a collection of datasets that are comprised final MBM-AK TLSA molting goose aerial survey data. Using R code produced by Brad Shults (files ending in .Rmd found in ‘GitHub_Annual_Report_Code’), these data were produced from the raw survey data (‘raw_data’); some quality control was completed using this GitHub R code, though some columns of these datasets still contain errors and these data are not tidy. However, these data are used to produce figures and tables in annual reports so no further tidying or quality control was conducted for these data. Additional details can be found in entity and domain data dictionary definitions.
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 dataset was created by Heather Wilson and sent to Julian Fischer on 6/29/21 and forwarded by him to Maggie Harings on 7/1/21. Heather created this document in order to track general survey details including pilot names, observer names, aircraft types used during each survey, and survey notes for the MBM-AK TLSA molting goose surveys. This document has not been tidied and it is unclear whether is has been put through a quality control process. In addition, Heather made several attempts to track down missing information in this document for survey years 1982-1999 but was unsuccessful. Therefore, this document is incomplete and should be treated as such. For additional information regarding this document, please...
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 is an SQLite GeoPackage simple feature multipolygon vector database of the Arctic Coastal Plain survey area transect density strata. There is only one layer that gives the strata boundaries in EPSG:4326. The field “Statra” gives the strata name and the “geom” field gives the simple feature Well Known Text geometry data. See the GitHub site for more information. This product was produced from the file ACPmapping.R and is simplified from the original strata files distributed at https://www.sciencebase.gov/catalog/item/65419a58d34ee4b6e05bd001.
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This is the raw nest card data as transcribed from the hard copy nest cards used in the field, 1985 to 2019. No attempt has been made for quality control on these data. These data are quality control using the R code in the file ‘Nest_Cards_QC.R’ to produce the data used for population estimate in file ‘Nest_Cards_1985_2019_QC.csv’. These data should not generally be used or distributed other than when the quality control process is revised and downstream data file need to be recreated (i.e., information is needed from these raw data that is not represented in the quality control files).
Categories: Data; 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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This document is a report on a project for a Masters student thesis to understand distance sampling to estimate eider and goose nest density. The abstract from the report is:The U.S. Fish and Wildlife Service currently conducts annual surveys to estimate bird nest abundanceon the Yukon-Kuskokwim Delta, Alaska. The current method involves intensive searching on large plots withthe goal of finding every nest on the plot. Distance sampling is a well-established transect-based methodto estimate density or abundance that accounts for imperfect detection of objects. It relies on estimatingthe probability of detecting an object given its distance from the transect line, or the detection function.Simulations were done using...
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This file contains information on incidental observations of lemmings and potential shorebird predators from 2011-2014 and 2016-2017 by year including date and time, location, and predator or lemming observations. Data from 2011-2014 were collected as part of the Arctic Shorebird Demographics Network while data from 2016-2017 were collected as part of the Joint Circumpolar Project on Indirect Trophic Interactions. As both studies used the same methodology, the data have been combined here.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...
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This file contains information on artificial nests by year including date and time of deployment, location, status, and nest fate.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 first contact the data authors listed below, as potential biases may occur within the data depending on the intended use....
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This file contains information on shorebird nests found during this study including date and time found, location, status, association with banded adults, estimated incubation dates, monitoring information, nest fate, manipulations, and habitat associations.In this file, incubation periods for each species were estimated based on data from 1) known-age nests (i.e., found during lay and which hatched) from Utiqiavik, 2) Weiser et al. 2018. Life-history tradeoffs revealed by seasonal declines in reproductive traits of Arctic-breeding shorebirds. Journal of Avian Biology. DOI: 10.111/jav.01531, and 3) the Birds of the World (Rodewald and Schulenberg, eds. 20200. Cornell Laboratory of Ornithology, Ithaca, NY). All float...
map background search result map search result map Alaska Izembek Brant Winter Aerial Survey 1981-present Southeast Alaska Nearshore Survey Area 1997-2002 Observer Data Results for Overhead Steller's Eider Survey Teshekpuk Lake Alaska Molting Goose Final Aerial Survey Data Teshekpuk Lake Alaska Molting Goose Observers and Aircraft data Arctic Coastal Plain Aerial Survey Design Strata Automated Sea Duck Counts from Aerial Imagery: Report Alaska Yukon Delta Nest Plot Survey Raw Legacy Nest Card Data 1985 - 2019 Simulating distance sampling to estimate nest abundance at Alaska Yukon-Kuskokwim Delta Utqiagvik Alaska Incidental Bird Observations 2011-2017 Utqiagvik Alaska Artificial Nests for Shorebirds Alaska Shorebird Tracking Study publications Utqiagvik Alaska Shorebird Nest data Utqiagvik Alaska Predator Nests data Utqiagvik Alaska Shorebird Breeding Dates data Utqiagvik Alaska Shorebird Chick Monitoring Nests data Alaska Izembek Brant Winter Aerial Survey Report 2013 Alaska Izembek Brant Winter Aerial Survey Report 2021 Alaska Izembek Brant Winter Aerial Survey Report 2010 Alaska Izembek Brant Winter Aerial Survey Report 2012 Utqiagvik Alaska Incidental Bird Observations 2011-2017 Utqiagvik Alaska Artificial Nests for Shorebirds Observer Data Results for Overhead Steller's Eider Survey Utqiagvik Alaska Shorebird Nest data Utqiagvik Alaska Predator Nests data Utqiagvik Alaska Shorebird Breeding Dates data Utqiagvik Alaska Shorebird Chick Monitoring Nests data Alaska Izembek Brant Winter Aerial Survey 1981-present Alaska Izembek Brant Winter Aerial Survey Report 2013 Alaska Izembek Brant Winter Aerial Survey Report 2021 Alaska Izembek Brant Winter Aerial Survey Report 2010 Alaska Izembek Brant Winter Aerial Survey Report 2012 Simulating distance sampling to estimate nest abundance at Alaska Yukon-Kuskokwim Delta Teshekpuk Lake Alaska Molting Goose Final Aerial Survey Data Teshekpuk Lake Alaska Molting Goose Observers and Aircraft data Alaska Yukon Delta Nest Plot Survey Raw Legacy Nest Card Data 1985 - 2019 Southeast Alaska Nearshore Survey Area 1997-2002 Arctic Coastal Plain Aerial Survey Design Strata Automated Sea Duck Counts from Aerial Imagery: Report Alaska Shorebird Tracking Study publications