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More than 90% of the Pacific population of Steller’s eider (Polysticta stelleri) spends a portion of the fall in Alaska during fall wing molt and staging period, mostly along the Alaska Peninsula. The long-term Steller’s eiders counts from fall emperor goose surveys have shown declines at Izembek Lagoon and Port Heiden and approximate stability at Seal Islands and Nelson Lagoon (1992-2015, USFWS unpubl. data). Spring surveys for Steller’s eiders have been conducted along the north side of the Alaska Peninsula by USFWS since 1992; fall oblique photographic surveys covering the same area began in 2012.Systematic transect-based “overhead” photography is a method proposed for the fall survey and will be used to generate...
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Decide whether or not to fly the survey. This is a somewhat subjective call, but current and forecasted weather, especially ceiling height and cloud density, visibility, wind and rain are the main components that go into making that decision. Wind >15kts, ceiling <2,000ft, steady rain or visibility <5 mi generally results in a “no go” for flying the survey at that time. If any of these conditions are forecasted in the following 4-6 hrs, also generally calls for waiting for better conditions or forecasts.If a survey is a “go”, the survey aircraft departs Nelson Lagoon airstrip and flies east toward transect number 1. All photographic gear, cameras, computers, screens have been previously set up and software tested....
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This dataset contains the swan data recorded during the 2005 Alaska Trumpeter Swan Survey. The 2005 survey was designed to census the entire Alaska trumpeter swan summering range.
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This dataset contains the swan data recorded during the 1968 Alaska Trumpeter Swan Survey. The 1968 survey was designed to census the entire Alaska trumpeter swan summering range.
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2015_Analysis_Compare2010&2015.xlsx is an Excel file created by MBM-AK to test statistical differences between the 2010 and 2015 Alaska Trumpeter Swan Survey results.
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These .csv tables, YYYY_Survey_Area.csv (where YYYY = survey year), list the U.S. Geological Survey 1:63,360 scale quadrangle maps that comprised the survey areas of the 1968-2015 Alaska Trumpeter Swan Surveys. Each year’s survey area consisted of a set of the 1:63,360 scale maps, where each map represented a potential sampling unit. The 1968-2005 surveys were designed to census the entire survey area, and thus all of the maps were surveyed in these years. The 2010 and 2015 surveys were stratified random samples (optimally allocated to minimize cost for a fixed variance); therefore, only a selected set of 100 maps were surveyed in these years. (Note: additional .csv tables are available in the survey’s project archive...
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EstimatesTableWBPHS_20220125.csv is a table of bird abundance estimates by year and species, 1957-2021. It was produced by MBM-AK using AKaerial R code and the WBPHS_AK QC transcribed dataset. The date in the file name (format = YYYYMODA, where YYYY = year, MO = month, and DA = day) represents the date that the R code was run to produce the table. A data dictionary and details on analysis methods are provided at NEED TO ADD REFERENCE TO CHUCK’S R CODE/GITHUB WITH LINK.
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This file provides information about each deployment site including site name, location, principal investigator, and contact 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 data should first contact the data authors listed below, as potential biases may occur within the data depending on the intended...
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This file contains information on invertebrate sampling effort including date, number of traps sampled, and time between sampling.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 seasonal snow cover and water availability on long-term shorebird monitoring plots including date and time, location, and relative cover of snow, water, and land.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...
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This file provides information on shorebirds observed during 10-minutes point counts including date and time, location, weather information, and shorebird observations.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 effort in QA/QC, but it is possible that undetected errors remain. It is strongly recommended...
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The primary objective of this project was to monitor the growth of shorebird chicks by recapturing them from hatch to fledgling in relation to food abundance and weather conditions. In 2014 and 2015, we attempted to estimate the impacts of trophic mismatch by experimentally creating late hatched broods by refrigerating eggs to delay hatch. Transmitters were then attached to adults and chicks to follow and recapture chick in order to estimate growth rates and survival (see annual protocol documents for further information).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...
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This file provides data collected during ALMS surveys including date and time, location, and species observations.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.General field methods...
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These are the observer names, observer initials, year, and unique observer number for all observe that collected data on the YKD nest plot project from 1985 to 2019. This data is used with the nest card data to in various ways, but primarily to calculate cumulative observer experience for nest detection rates. This file is also used for quality control and reconciling non-unique observer initials across years.
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 is the YKD egg observation data reformatted from the nest card data (‘Nest_Cards_1985_2019_QC.csv’). The file eggs.R is used to produce this data set, and then this is further summarized into yearly stats on mean initiation and hatch dates to produce the file yearstats.csv.
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...


map background search result map search result map Fall Steller's Eider Overhead Survey at Nelson Lagoon, Alaska, 2020 Camera Operator Protocol for Steller's Eider Overhead Survey in Nelson Lagoon, Alaska 2005 Alaska Trumpeter Swan Survey Data 1968 Alaska Trumpeter Swan Survey Data Alaska Trumpeter Swan Survey 2015 Analysis - Compare 2010 & 2015 Alaska Trumpeter Swan Survey 2015 Analysis - Abundance Estimates Alaska Trumpeter Swan Survey Areas 1968-2015: CSV Tables Waterfowl Breeding Population Habitat Survey Alaska Abundance Estimate data Alaska Yukon Delta Nest Plot Survey Observer Names 1985 - 2019 Alaska Yukon Delta Tidy Egg Data 1985 - 2019 Alaska Shorebird Tracking Study Site Information Alaska Shorebird Tracking Study protocols Utqiagvik Alaska Invertebrate Sampling Effort data Utqiagvik Alaska Shorebird Survey Protocols Utqiagvik Alaska Snow and Water surveys Spoon-billed Sandpiper surveys point count data from Near Kotzebue Alaska Utqiagvik Alaska Shorebird Chick Monitoring Study Alaska Department of Defense Shorebird Migration Banding Data 2021-Present Utqiagvik Alaska Landbird Monitoring Surveys data Alaska JBER Avian Survey Data 2007-Present Utqiagvik Alaska Landbird Monitoring Surveys data Fall Steller's Eider Overhead Survey at Nelson Lagoon, Alaska, 2020 Camera Operator Protocol for Steller's Eider Overhead Survey in Nelson Lagoon, Alaska Utqiagvik Alaska Invertebrate Sampling Effort data Utqiagvik Alaska Shorebird Survey Protocols Utqiagvik Alaska Snow and Water surveys Utqiagvik Alaska Shorebird Chick Monitoring Study Alaska JBER Avian Survey Data 2007-Present Alaska Yukon Delta Nest Plot Survey Observer Names 1985 - 2019 Alaska Yukon Delta Tidy Egg Data 1985 - 2019 Spoon-billed Sandpiper surveys point count data from Near Kotzebue Alaska Waterfowl Breeding Population Habitat Survey Alaska Abundance Estimate data 2005 Alaska Trumpeter Swan Survey Data 1968 Alaska Trumpeter Swan Survey Data Alaska Trumpeter Swan Survey 2015 Analysis - Compare 2010 & 2015 Alaska Trumpeter Swan Survey 2015 Analysis - Abundance Estimates Alaska Trumpeter Swan Survey Areas 1968-2015: CSV Tables Alaska Department of Defense Shorebird Migration Banding Data 2021-Present Alaska Shorebird Tracking Study Site Information Alaska Shorebird Tracking Study protocols