Intertidal Mussel Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

Current citation: U.S. Geological Survey - Alaska Science Center, National Park Service - Southwest Alaska Inventory and Monitoring Network, 2016. Intertidal mussel (Mytilus) data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park (ver 4.0, April 2024): U.S. Geological Survey data release, https://doi.org/10.5066/F7FN1498
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Version 1.0 posted online August 24, 2016

Original Citation: 
Kloecker, K. A., Ballachey, B. E., Bodkin, J. L., Coletti, H. A., Dean, T. A., Esler, D., Esslinger, G. G., Lindeberg, M. R., Monson, D. H., Paszalek, J. and Weitzman, B. P., 2016, Gulf Watch Alaska Nearshore Component: Intertidal Mussel Site Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2008-2015: U.S. Geological Survey data release, https://doi.org/10.5066/F7FN1498.

Overview:
The dataset consists of five comma separated files exported from a microsoft excel workbook. The data consist of 1. mussel sampling site layout information, 2. mussel count and 3. size measurements for mussels greater than 20 millimeters, 4. mussel count and 5. size measurements for all mussels collected from core samples between 2008 and 2015.

Data:
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_20mmCountData_19july2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_20mmSizeData_19july2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_CoreSizeFrequencyData_19july2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_PrimaryCoreCountData_19july2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_SiteLevelData_19july2016

**Separate Data Release which was later combined in Version 2.0**
posted online February 2017 

Original Citation:
Kloecker, K. A., Ballachey, B. E., Bodkin, J. L. and Coletti, H. A., 2017, Gulf Watch Alaska Nearshore Component: Intertidal Mussel Site Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park, 2016: U.S. Geological Survey data release, https://doi.org/10.5066/F7WS8RD4.

Overview:
The dataset consists of five comma separated files exported from a Microsoft Access Datbase. The data consist of 1. mussel sampling site layout information, 2. mussel count and 3. size measurements for mussels greater than 20 millimeters, 4. mussel count and 5. size measurements for all mussels collected from core samples in 2016.

Data:
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_20mmCountData_21nov2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_20mmSizeData_21nov2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_CoreSizeFrequencyData_21nov2016
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_PrimaryCoreCountData_16feb2017
NearshoreBenthicSystemsInGOA_SOP09_MusselSampling2008-2015_SiteLevelData_16feb2017

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Version 2.0 posted online July 2022

Citation:
USGS Alaska Science Center, National Park Service Southwest Alaska Inventory and Monitoring Network., 2016, Intertidal mussel (Mytilus) data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park (ver. 2.0, July 2022): U.S. Geological Survey data release, https://doi.org/10.5066/F7FN1498

Overview:
-This Data Release consolidates data from two previously separate Data Releases (described above) into a single Data Release and includes additional data not provided in any previous Data Releases.
-This comprehensive Data Release provides the most updated and complete set of intertidal mussel data.
-As additional samples are processed, the results will be appended to the tables provided in this Data Release.

Changes in version 2.0:
-Consolidated: data from two existing data releases
-Appended: additional years of mussel data
-Updated: citation (including authors and title)
-Renamed: CSV filenames
-Updated: metadata

Data:
One ZIP packages containing: 1) Mytilus 20mm count data (.csv, .XML, .html), 2) Mytilus 20mm size data (.csv, .XML, .html), 3) Mytilus core counts (.csv, .XML, .html), 4) Mytilus core size frequency (.csv, .XML, .html), 5) Mytilus site information (.csv, .XML, .html), and 6) Gulf Watch Alaska contributors list (.csv).

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Version 3.0 posted online September 2022

Changes: 
-Appended: 2022 mussel sampling data
-Updated: changed blank values to null values "." in all CSV tables, to stay consistent among all nearshore data releases.

Data:
One ZIP packages containing: 1) Mytilus 20mm count data (.csv, .XML, .html), 2) Mytilus 20mm size data (.csv, .XML, .html), 3) Mytilus core counts (.csv, .XML, .html), 4) Mytilus core size frequency (.csv, .XML, .html), 5) Mytilus site information (.csv, .XML, .html), and 6) Gulf Watch Alaska contributors list (.csv).

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Version 4.0 posted online April 2024

Changes: 
-Appended: 2023 mussel sampling data and added source citation for Dean et al. 2014.
-Update: 1) Removed larger work citation from metadata record as no longer used by Data Management, 2) updated use constraints with new wording, 3) removed methods and moved all content to Process Steps, 4) removed source citations and moved them to a single Literature Cited Process Step.

Data:
One ZIP packages containing: 1) Mytilus 20mm count data (.csv, .XML, .html), 2) Mytilus 20mm size data (.csv, .XML, .html), 3) Mytilus core counts (.csv, .XML, .html), 4) Mytilus core size frequency (.csv, .XML, .html), 5) Mytilus site information (.csv, .XML, .html), and 6) Gulf Watch Alaska contributors list (.csv).

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