Current Citation:

Esslinger, G.G., 2018, Gulf Watch Alaska Nearshore Component: sea otter aerial survey data from Katmai National Park and Preserve, 2008-2018 (ver 2.0 March 2020): U.S. Geological Survey data release, https://doi.org/10.5066/F7930SG7.

Version 1.0, 2018
Original citation:
Esslinger, G. G., 2018, Gulf Watch Alaska Nearshore Component: Sea Otter Aerial Survey Data Katmai National Park and Preserve, 2008, 2012, 2015: U.S. Geological Survey data release, https://doi.org/10.5066/F7930SG7.

Version 1.0 is an initial release of 3 aerial surveys for sea otter abundance on Katmai National Park and Preserve from years 2008, 2012, and 2015.
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Version 2.0, 2020

Version 2.0 includes one additional aerial survey from 2018 for a total of 4 from years 2008, 2012, 2015, and 2018.

Title has been changed to “Gulf Watch Alaska Nearshore Component: Sea Otter Aerial Survey Data from Katmai National Park and Preserve, 2008-2018”

No data from Version 1.0 has been changed or removed.

Additional behavior codes have been introduced in the 2018 survey data.
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