Assessing the Status and Trends of Seabirds and Forage Fish in Lower Cook Inlet, Alaska

Current Citation:
Arimitsu, M.L., Schoen, S.K., Piatt, J.F., Marsteller, C.E., 2021. Assessing the status and trends of seabirds and forage fish in lower Cook Inlet, Alaska (ver 3.0, January 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P961LWWE

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Version 1.0 posted online May 2021

Original Citation:
Arimitsu, M.L., Schoen, S.K., Piatt, J.F., Marsteller, C.E. 2021. Assessing the status and trends of seabirds and forage fish in lower Cook Inlet, Alaska: U.S. Geological Survey data release, https://doi.org/10.5066/P961LWWE

Overview:
Six datasets regarding colonial seabirds and forage fish at two seabird nesting colonies on Gull and Chisik Islands in lower Cook Inlet, Alaska.

Dataset folders:
 EggPredation
 ForageFishCountMorphology
 HydroacousticSurvey
 NestProductivity
 PopulationCensus
 PopulationPlotCount

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Version 1.1 posted online June 2021

Corrected: value errors of the "Count" attribute.
Included: count values by population plot

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Version 2.0 posted online June 2022

Appended: data collected in 2020 and 2021
 seabirdColony_eggPredation_lowerCookInlet.csv
 seabirdColony_nestProductivity_lowerCookInlet.csv
 seabirdColony_populationCensus_lowerCookInlet.csv
 seabirdColony_populationPlotCount_lowerCookInlet.csv

Removed: table of data derived from raw plot count data included in data release
 seabirdColony_populationPlotTotals_lowerCookInlet.csv

Removed: plot count records collected outside the historic mid-incubation date range
 seabirdColony_populationPlotCount_lowerCookInlet.csv

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Version 3.0 posted online January 2024

Appended: Gull Island predator disturbance of Common Murre from 2016 through 2020.
 seabirdColony_predatorDisturbance_lowerCookInlet.csv
 seabirdColony_predatorDisturbance_lowerCookInlet_metadata.xml