Rocky Intertidal Limpet (Lottia persona) Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

Identification_Information:

Citation:

Citation_Information:

Originator: U.S. Geological Survey - Alaska Science Center
Originator:

National Park Service - Southwest Alaska Inventory and Monitoring Network

Publication_Date: 20220927
Title:

Rocky Intertidal Limpet (Lottia persona) Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

Geospatial_Data_Presentation_Form: tabular digital data
Series_Information:

Series_Name:

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

Issue_Identification: ver 2.0, October 2023

Publication_Information:

Publication_Place: Anchorage, Alaska
Publisher: U.S. Geological Survey, Alaska Science Center

Other_Citation_Details:

Suggested Citation: U.S. Geological Survey - Alaska Science Center, National Park Service - Southwest Alaska Inventory and Monitoring Network, 2022, Rocky intertidal data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park (ver 2.0, October 2023): U.S. Geological Survey data release, https://doi.org/10.5066/F7513WCB

Online_Linkage: https://doi.org/10.5066/F7513WCB
Larger_Work_Citation:

Citation_Information:

Originator: U.S. Geological Survey, Alaska Science Center
Publication_Date: 2005
Title: Nearshore Marine Ecosystem Research Program
Geospatial_Data_Presentation_Form: website
Series_Information:

Series_Name: Alaska Science Portal
Issue_Identification: 99

Publication_Information:

Publication_Place: Anchorage, Alaska
Publisher: U.S. Geological Survey, Alaska Science Center

Other_Citation_Details:

This is a link to the broader USGS Alaska Science Center research project supported by these data. Users will find a description of the research project and links to associated reports, publications, and data products.

Online_Linkage: https://alaska.usgs.gov/portal/project.php?project_id=99

Description:

Abstract:

These data are part of the Gulf Watch Alaska (GWA) long-term monitoring program, nearshore monitoring component. The dataset has three comma separated values (.csv) file exported from a Microsoft Access relational database. The data consist of 1) limpet (Lottia persona) sizes, 2) limpet counts, and 3) a table of Gulf Watch Alaska contributors.

Purpose:

These data provide sizes, counts, and densities of limpets (Lottia persona) at sites in sheltered rocky habitats. These data are used to estimate size frequency, mean size, and overall limpet density on sheltered rocky shorelines to assess change in intertidal invertebrate communities on rocky shorelines.

Sampling was conducted within regions of Alaska including: Kenai Peninsula (KEP; Kenai Fjords National Park), Alaska Peninsula (AKP; Katmai National Park and Preserve), and Prince William Sound (PWS; northern, western, and eastern Prince William Sound). Study site locations are described in the "Monitoring Site Locations" data release: https://doi.org/10.5066/F78S4N3R (Coletti et al. 2017).

Supplemental_Information:

This dataset is a component of the nearshore monitoring portion of the Gulf Watch Alaska (GWA) program. There are multiple datasets associated with the rocky site sampling; see "KATMKEFJWPWS_2006-2023_Rocky_Intertidal_Sampling_Project_metadata" for a list of all associated datasets.

Two additional closely related USGS Data Releases from these sampling locations are available: (1) temperature logger data (https://doi.org/10.5066/F7WH2N3T) and (2) mussel (Mytilus) sampling (https://doi.org/10.5066/F7FN1498).

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 2006
Ending_Date: 2023

Currentness_Reference: observed

Status:

Progress: In work
Maintenance_and_Update_Frequency: Annually

Spatial_Domain:

Description_of_Geographic_Extent:

Prince William Sound (east, north, and west), Kenai Fjords National Park, Katmai National Park and Preserve.

Bounding_Coordinates:

West_Bounding_Coordinate: -156.643
East_Bounding_Coordinate: -145.415
North_Bounding_Coordinate: 61.122
South_Bounding_Coordinate: 57.938

Keywords:

Theme:

Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:ASC467

Theme:

Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: Biota
Theme_Keyword: Environment

Theme:

Theme_Keyword_Thesaurus: NASA GCMD Earth Science Keyword Thesaurus
Theme_Keyword: Animals/Invertebrates
Theme_Keyword: Mollusks
Theme_Keyword: Aquatic ecosystems
Theme_Keyword: Intertidal zone
Theme_Keyword: Biospheric indicators

Theme:

Theme_Keyword_Thesaurus: USGS CSA Biocomplexity Thesaurus
Theme_Keyword: Intertidal environments
Theme_Keyword: Marine invertebrates

Theme:

Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: Marine ecosystems
Theme_Keyword: Community ecology
Theme_Keyword: Ecosystem monitoring

Theme:

Theme_Keyword_Thesaurus: None
Theme_Keyword: Nearshore ecology
Theme_Keyword: Limpets
Theme_Keyword: Lottia persona

Place:

Place_Keyword_Thesaurus: USGS Geographic Names Information System (GNIS)
Place_Keyword: Alaska
Place_Keyword: Gulf of Alaska
Place_Keyword: Prince William Sound
Place_Keyword: Alaska Peninsula

Place:

Place_Keyword_Thesaurus: None
Place_Keyword: Kenai Fjords National Park
Place_Keyword: Katmai National Park and Preserve

Taxonomy:

Keywords/Taxon:

Taxonomic_Keyword_Thesaurus: None
Taxonomic_Keywords: Mask limpet

Taxonomic_System:

Classification_System/Authority:

Classification_System_Citation:

Citation_Information:

Originator: ITIS Integrated Taxonomic Information System
Publication_Date: Unknown
Title: ITIS Integrated Taxonomic Information System
Geospatial_Data_Presentation_Form: online database
Publication_Information:

Publication_Place: online
Publisher: ITIS-North America

Other_Citation_Details:

Taxonomic details retrieved October 25, 2023, from the Integrated Taxonomic Information System online database https://www.itis.gov

Online_Linkage: https://doi.org/10.5066/F7KH0KBK

Classification_System/Authority:

Classification_System_Citation:

Citation_Information:

Originator: World Register of Marine Species (WoRMS)
Publication_Date: Unknown
Title: World Register of Marine Species (WoRMS)
Geospatial_Data_Presentation_Form: online database
Publication_Information:

Publication_Place: online
Publisher: WoRMS Editorial Board

Other_Citation_Details:

Taxonomic details retrieved October 25, 2023, from the World Register of Marine Species online database https://www.marinespecies.org

Online_Linkage: https://doi.org/10.14284/170

Classification_System_Modifications:

ITIS currently lists Mask limpet in the genus Tectura (Tectura persona, TSN: 568350); the current taxonomic designation in the WoRMS register is in the genus Lottia (Lottia persona, LSID: 456603). Here, we follow the WoRMS classification.

Taxonomic_Procedures:

Invertebrate species were identified by trained observers in the field using physical characteristics.

Taxonomic_Completeness:

Provided here is the classification of limpets to the taxonomic rank of 'Species'.

Taxonomic_Classification:

Taxon_Rank_Name: Kingdom
Taxon_Rank_Value: Animalia
Taxonomic_Classification:

Taxon_Rank_Name: Subkingdom
Taxon_Rank_Value: Bilateria
Taxonomic_Classification:

Taxon_Rank_Name: Infrakingdom
Taxon_Rank_Value: Protostomia
Taxonomic_Classification:

Taxon_Rank_Name: Superphylum
Taxon_Rank_Value: Lophozoa
Taxonomic_Classification:

Taxon_Rank_Name: Phylum
Taxon_Rank_Value: Mollusca
Taxonomic_Classification:

Taxon_Rank_Name: Class
Taxon_Rank_Value: Gastropoda
Taxonomic_Classification:

Taxon_Rank_Name: Order
Taxon_Rank_Value: Patellogastropoda
Taxonomic_Classification:

Taxon_Rank_Name: Family
Taxon_Rank_Value: Lottiidae
Taxonomic_Classification:

Taxon_Rank_Name: Genus
Taxon_Rank_Value: Lottia
Applicable_Common_Name: WoRMS LSID: 160336
Applicable_Common_Name: ITIS TSN: 69731
Taxonomic_Classification:

Taxon_Rank_Name: Species
Taxon_Rank_Value: Lottia persona
Applicable_Common_Name: Mask limpet
Applicable_Common_Name: WoRMS LSID: 456603

Access_Constraints: None
Use_Constraints:

It is requested that the authors and the USGS Alaska Science Center be cited for any subsequent publications that reference this dataset.

Point_of_Contact:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: U.S. Geological Survey, Alaska Science Center

Contact_Address:

Address_Type: Mailing and Physical
Address: 4210 University Drive
City: Anchorage
State_or_Province: Alaska
Postal_Code: 99508
Country: USA

Contact_Voice_Telephone: 907-786-7000
Contact_Electronic_Mail_Address: ascweb@usgs.gov

Data_Set_Credit:

Many people (USGS staff, contractors, and volunteers, NPS staff and volunteers, NOAA staff, UCSC students, Cook Inlet RCAC Staff) deserve thanks and recognition for the collection of the invertebrate and algae observations contained in this data set. The following is a non-comprehensive list of personnel involved in data collection for this dataset: Brenda Ballachey, James Bodkin, Kelly Bodkin, Heather Coletti, Ashley Coletti, Katie Corliss, Angie Doroff, George Esslinger, Dan Esler, Allan Fukuyama, Yvette Gillies, Kim Kloecker, Mandy Lindeberg, Melissa Miner, Dan Monson, John Paszalek, Jessica Perry, Brian Robinson, Max Rintoul, Michelle Staedler, Tjibbe Stelwagen, Sarah Traiger, Carissa Turner, Ken Vicknair, Vanessa Von Biela, Ben Weitzman.

Cross_Reference:

Citation_Information:

Originator: Konar, B.
Originator: Iken, K.
Originator: Coletti, H.A.
Originator: Monson, D.H.
Originator: Weitzman, B.P.
Publication_Date: 2016
Title:

Influence of Static Habitat Attributes on Local and Regional Rocky Intertidal Community Structure

Geospatial_Data_Presentation_Form: journal article
Series_Information:

Series_Name: Estuaries and Coasts
Issue_Identification: 39:1735-1745

Publication_Information:

Publication_Place: online
Publisher: SpringerLink

Other_Citation_Details:

Konar, B., Iken, K., Coletti, H.A., Monson, D.H., Weitzman, 2016. Influence of static habitat attributes on local and regional rocky intertidal community structure. Estuaries and Coasts 39:1735-1745. doi:10.1007/s12237-016-0114-0

Online_Linkage: https://doi.org/10.1007/s12237-016-0114-0

Cross_Reference:

Citation_Information:

Originator: Bodkin, J.L.
Originator: Coletti, H.A.
Originator: Ballachey, B.E.
Originator: Monson, D.H.
Originator: Esler, D.
Originator: Dean, T.A.
Publication_Date: 2018
Title:

Variation in abundance of Pacific Blue Mussel (Mytilus trossulus) in the Northern Gulf of Alaska, 2006–2015

Geospatial_Data_Presentation_Form: journal article
Series_Information:

Series_Name: Deep Sea Research Part II: Topical Studies in Oceanography
Issue_Identification: 147:87-97

Publication_Information:

Publication_Place: online
Publisher: Elsevier

Other_Citation_Details:

Bodkin, J.L., Coletti, H.A., Ballachey, B.E., Monson, D.H., Esler, D., Dean, T.A. 2018. Variation in abundance of Pacific Blue Mussel (Mytilus trossulus) in the Northern Gulf of Alaska, 2006–2015. Deep Sea Research Part II: Topical Studies in Oceanography 147:87-97. doi:10.1016/j.dsr2.2017.04.008

Online_Linkage: https://doi.org/10.1016/j.dsr2.2017.04.008

Cross_Reference:

Citation_Information:

Originator: Weitzman, B.P.
Originator: Konar, B.
Originator: Iken, K.
Originator: Coletti, H.A.
Originator: Monson, D.H.
Originator: Suryan, R.
Originator: Dean, T.A.
Originator: Hondolero, D.
Originator: Lindeberg, M.
Publication_Date: 2021
Title:

Changes in Rocky Intertidal Community Structure During a Marine Heatwave in the Northern Gulf of Alaska

Geospatial_Data_Presentation_Form: journal article
Series_Information:

Series_Name: Frontiers in Marine Science
Issue_Identification: 8:556820

Publication_Information:

Publication_Place: online
Publisher: Frontiers

Other_Citation_Details:

Weitzman, B.P., Konar, B., Iken, K., Coletti, H.A., Monson, D.H., Suryan, R., Dean, T.A., Hondolero, D., Lindeberg, M. 2021. Changes in rocky intertidal community structure during a marine heatwave in the northern Gulf of Alaska. Frontiers in Marine Science 8:556820. doi:10.3389/fmars.2021.556820

Online_Linkage: https://doi.org/10.3389/fmars.2021.556820

Cross_Reference:

Citation_Information:

Originator: Suryan, R.M.
Originator: Arimitsu, M.L.
Originator: Coletti, H.A.
Originator: Hopcroft, R.R.
Originator: Lindeberg, M.R.
Originator: Barbeaux, S.J.
Originator: Batten, S.D.
Originator: Burt, W.J.
Originator: Bishop, M.A.
Originator: Bodkin, J.L.
Originator: Brenner, R.
Originator: Campbell, R.W.
Originator: Cushing, D.A.
Originator: Danielson, S.L.
Originator: Dorn, M.W.
Originator: Drummond, B.
Originator: Esler, D.
Originator: Gelatt, T.
Originator: Hanselman, D.H.
Originator: Hatch, S.A.
Originator: Haught, S.
Originator: Holderied, K.
Originator: Iken, K.
Originator: Irons, D.B.
Originator: Kettle, A.B.
Originator: Kimmel, D.G.
Originator: Konar, B.
Originator: Kuletz, K.J.
Originator: Laurel, B.J.
Originator: Maniscalco, J.M.
Originator: Matkin, C.
Originator: McKinstry, C.A.E.
Originator: Monson, D.H.
Originator: Moran, J.R.
Originator: Olsen, D.
Originator: Palsson, W.A.
Originator: Pegau, W.S.
Originator: Piatt, J.F.
Originator: Rogers, L.A.
Originator: Rojek, N.A.
Originator: Schaefer, A.
Originator: Spies, I.B.
Originator: Straley, J.M.
Originator: Strom, S.L.
Originator: Sweeney, K.L.
Originator: Szymkowiak, M.
Originator: Weitzman, B.P.
Originator: Yasumiishi, E.M.
Originator: Zador, S.G.
Publication_Date: 2021
Title: Ecosystem Response Persists After a Prolonged Marine Heatwave
Geospatial_Data_Presentation_Form: journal article
Series_Information:

Series_Name: Nature Scientific Reports
Issue_Identification: 11:6235

Publication_Information:

Publication_Place: online
Publisher: Nature Briefing

Other_Citation_Details:

Suryan, R.M., Arimitsu, M.L., Coletti, H.A., et al., 2021. Ecosystem response persists after a prolonged marine heatwave. Nature Scientific Reports 11:6235. doi:10.1038/s41598-021-83818-5

Online_Linkage: https://doi.org/10.1038/s41598-021-83818-5

Cross_Reference:

Citation_Information:

Originator: Traiger, S.B.
Originator: Bodkin, J.L.
Originator: Coletti, H.A.
Originator: Ballachey, B.
Originator: Dean, T.
Originator: Esler, D.
Originator: Iken, K.
Originator: Konar, B.
Originator: Lindeberg, M.R.
Originator: Monson, D.
Originator: Robinson, B.
Originator: Suryan, R.M.
Originator: Weitzman, B.P.
Publication_Date: 2022
Title:

Evidence of Increased Mussel Abundance Related to the Pacific Marine Heatwave and Sea Star Wasting

Geospatial_Data_Presentation_Form: journal article
Series_Information:

Series_Name: Marine Ecology
Issue_Identification: e12715

Publication_Information:

Publication_Place: online
Publisher: Wiley

Other_Citation_Details:

Traiger, S.B, Bodkin, J.L., Coletti, H.A., Ballachey, B., Dean, T., Esler, D., Iken, K., Konar, B., Lindeberg, M.R., Monson, D., Robinson, B., Suryan, R.M., Weitzman, B.P., 2022. Evidence of increased mussel abundance related to the Pacific marine heatwave and sea star wasting. Marine Ecology e12715. https://doi.org/10.1111/maec.12715

Online_Linkage: https://doi.org/10.1111/maec.12715

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

Limpets were identified in the field by trained staff and experts. Metric dial calipers were used with dial divisions to the nearest tenth of a millimeter. Measurements were rounded to the nearest whole millimeter. Dial calipers were checked for accuracy and re-calibrated if necessary, prior to each field trip.

Logical_Consistency_Report:

Attribute values fall within expected ranges. Counts of zero are included in this dataset and defined in the metadata. Counts that were incomplete or not performed according to the protocol are not included. The null values "." indicate the no data was provided and do not infer a count of zero.

Completeness_Report:

In 2011, sites in Katmai National Park and Preserve (AKP site codes) were not sampled.

Complete sampling did not begin in Kenai Fjords National Park until 2007. Eastern Prince William Sound and northern Prince William Sound sites are only sampled every other year and sampling did not begin until after 2009. In 2007, trial sampling was completed for western Prince William Sound. True sampling did not begin until 2010. In 2020, no sites were sampled due to the Covid-19 pandemic. In 2021, KEP_B5_RI_03 Nuka Bay was not sampled due to weather. In 2022, we started keeping track of unmeasurable limpets. These are limpets that are partially located in crevices and observers are unable to see the limpets entire length. These were recorded at "0 mm" for length. In 2022, at KEP_B05_RI_03 there appeared to have been a landslide that affected the site. Limpet sets 5 and 6 were located within the landslide zone. In 2023, KEP_B05_RI_02 was not sampled due to inclement weather.

Positional_Accuracy:

Horizontal_Positional_Accuracy:

Horizontal_Positional_Accuracy_Report:

Transects for rocky intertidal sampling are marked with stainless steel eye-bolts and a site ID marker plate to ensure consistency in sampling location. Additionally, several eye-bolts are placed along the transects' horizontal lengths to ensure similar placement of the lines. Coordinates are not recorded for each eye-bolt.

Lineage:

Methodology:

Methodology_Type: Field
Methodology_Description:

The maximum shell length of Lottia persona were measured within 100 meter long transects at randomly selected sites within sheltered rocky shorelines. Starting in 2010, the radius of the area in which limpets were measured was recorded so that limpet density could be calculated. The transects were placed within the approximate center of the vertical distribution of L.persona along the shoreline, generally 3 to 4 m above MLLW. The first 40 (in 2006) to 20 L. persona that were encountered at each of 6 points along the transect were measured to the nearest millimeter using dial calipers. In some cases where limpets were rare fewer than 20 limpets were measured. The 6 points were placed systematically with a random start. Note that limpets were observed without moving rocks and animals under rocks were not measured.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Dean, T.A.
Originator: Bodkin, J.L.
Publication_Date: 2011
Title:

SOP for Sampling of Intertidal Invertebrates and Algae on Sheltered Rocky Shores - Version 4.6

Geospatial_Data_Presentation_Form: report
Series_Information:

Series_Name: Natural Resource Report NPS/SWAN/NRR
Issue_Identification: 2011/397

Publication_Information:

Publication_Place: Fort Collins, Colorado
Publisher: National Park Service

Other_Citation_Details:

Dean, T.A., Bodkin, J.L. 2011. SOP for sampling of intertidal invertebrates and algae on sheltered rocky shores - Version 4.6: Southwest Alaska Inventory and Monitoring Network. Natural Resource Report NPS/SWAN/NRR - 2011/397. National Park Service, Fort Collins, Colorado.

Published report archived by U.S. National Park Service Catalog (IRMA Data Store) https://irma.nps.gov/DataStore [reference code: 2170950]

Online_Linkage: https://irma.nps.gov/DataStore/Reference/Profile/2170950

Type_of_Source_Media: Digital Report
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 2011

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation: Dean and Bodkin 2011
Source_Contribution:

Sampling protocol used for sampling Rocky intertidal invertebrates and algae at each study site.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Dean, T.A.
Originator: Bodkin, J.L.
Originator: Coletti, H.
Publication_Date: 2014
Title:

Protocol Narrative for Nearshore Marine Ecosystem Monitoring in the Gulf of Alaska: Version 1.1

Geospatial_Data_Presentation_Form: report
Series_Information:

Series_Name: Natural Resource Report NPS/SWAN/NRR
Issue_Identification: 2014/756

Publication_Information:

Publication_Place: Fort Collins, Colorado
Publisher: National Park Service

Other_Citation_Details:

Dean, T.A., Bodkin, J.L. Coletti, H.A. 2014. Protocol narrative for marine nearshore ecosystem monitoring in the Gulf of Alaska: Version 1.1. Natural Resource Report NPS/SWAN/NRR— 2014/756. National Park Service, Fort Collins, Colorado.

Published report archived by U.S. National Park Service Catalog (IRMA Data Store) https://irma.nps.gov/DataStore [reference code: 2206501]

Online_Linkage: https://irma.nps.gov/DataStore/Reference/Profile/2206501

Type_of_Source_Media: Digital Report
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 2014

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation: Dean et al. 2014
Source_Contribution:

Protocol for monitoring marine nearshore ecosystems in the Gulf of Alaska.

Source_Information:

Source_Citation:

Citation_Information:

Originator: Coletti, H.A.
Originator: Kloecker, K.A.
Originator: Bodkin, J.L.
Originator: Dean, T.A.
Publication_Date: 2017
Title:

Gulf Watch Alaska Nearshore Component: Monitoring Site Locations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

Geospatial_Data_Presentation_Form: tabular digital data
Series_Information:

Series_Name: USGS Data Release
Issue_Identification: doi:10.5066/F78S4N3R

Publication_Information:

Publication_Place: online
Publisher: U.S. Geological Survey, Alaska Science Center

Other_Citation_Details:

Coletti, H.A., Kloecker, K.A., Bodkin, J.L., Dean, T.A., 2017. Gulf Watch Alaska nearshore component: monitoring site locations from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park: U.S. Geological Survey data release, https://doi.org/10.5066/F78S4N3R

Online_Linkage: https://doi.org/10.5066/F78S4N3R

Type_of_Source_Media: tabular digital data
Source_Time_Period_of_Content:

Time_Period_Information:

Single_Date/Time:

Calendar_Date: 2017

Source_Currentness_Reference: publication date

Source_Citation_Abbreviation: Coletti et al. 2017
Source_Contribution:

A U.S. Geological Survey data release containing site location information for nearshore Rocky Intertidal studies.

Process_Step:

Process_Description:

Most field data were entered directly into a Microsoft Access database using data entry forms. Some data were recorded on field data sheets for entry later.

Process_Date: Unknown

Process_Step:

Process_Description:

Database QAQC queries were completed and any items flagged were corrected in the field.

Process_Date: Unknown

Process_Step:

Process_Description:

Notes were compiled on items that couldn't be addressed in the field (e.g., new species ID) by combining data from multiple field laptops. Field entered data and notes were provided to the database administrator at National Park Service - Southwest Alaska Network for updates, corrections to the master database.

Process_Date: Unknown

Process_Step:

Process_Description:

A copy of the data was provided to Dr. Sarah Traiger (or Dr. Tom Dean prior to 2022) for an additional round of QAQC. Any fixes were communicated back to the NPS-SWAN database administrator. Finally, a comma separated values (.csv) file of each table was exported. Each file contains the whole time series.

Process_Date: Unknown

Spatial_Data_Organization_Information:

Indirect_Spatial_Reference:

The only spatial information in this dataset are the named locations for the sampling sites. Sites are documented with start and end coordinates and are also referred to by name (e.g., Herring Bay rocky sampling site). Please refer to Coletti et al. 2017, a USGS data release which provides for geographic coordinates of all sites: https://doi.org/10.5066/F78S4N3R

Entity_and_Attribute_Information:

Detailed_Description:

Entity_Type:

Entity_Type_Label: KATMKEFJWPWS_2006-2023_Limpet_Size.csv
Entity_Type_Definition:

Table with length measurements of limpets at rocky intertidal sampling sites. Each record is the length of one limpet at a single rocky intertidal sampling site. Presented in a Comma Separated Value (CSV) formatted table exported from a relational database.

Entity_Type_Definition_Source: Author defined

Attribute:

Attribute_Label: SiteID
Attribute_Definition:

Identification code of sampling site, as defined in Coletti et al. 2017, https://doi.org/10.5066/F78S4N3R, and Dean et al. 2014. The 'SiteID' is comprised of 4 parts, 1) the region (AKP, KEP, PWS), 2) the block number (5, 7, 8, 9, or 10), 3) the sampling type (described below), and 4) the sample type number (01-05).

Attribute_Definition_Source: Coletti et al. 2017 and Dean et al. 2014
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RI
Enumerated_Domain_Value_Definition:

Sampling type = Rocky Intertidal Intensive Block. Intensive sites are chosen by a random process.

Enumerated_Domain_Value_Definition_Source: Author defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RE
Enumerated_Domain_Value_Definition: Sampling Type = Rocky Intertidal Extensive Block
Enumerated_Domain_Value_Definition_Source: Author defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RS
Enumerated_Domain_Value_Definition:

Sampling Type = Rocky Selected Sites. Selected sites are chosen for a specific reason (e.g., existence of historic data)

Enumerated_Domain_Value_Definition_Source: Author defined

Attribute:

Attribute_Label: SiteName
Attribute_Definition:

Name of sampling site, as defined in Coletti et al. 2017, https://doi.org/10.5066/F78S4N3R, and Dean et al. 2014.

Attribute_Definition_Source: Coletti et al. 2017 and Dean et al. 2014
Attribute_Domain_Values:

Unrepresentable_Domain: A unique site name given to each unique 'SiteID'.

Attribute:

Attribute_Label: SampleDate
Attribute_Definition: Date the limpet transects were sampled.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2006-06-22
Range_Domain_Maximum: 2023-07-08
Attribute_Units_of_Measure: Date (YYYY-MM-DD)

Attribute:

Attribute_Label: Year
Attribute_Definition: Year the limpet transects were sampled.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2006
Range_Domain_Maximum: 2023
Attribute_Units_of_Measure: Year

Attribute:

Attribute_Label: Rep_Num
Attribute_Definition:

The number assigned to a group of limpets associated with each of 6 randomly placed points on a transect. Replicate 1 is closest to the origin of the horizontal transect while replicate 6 is farthest from the origin of the horizontal transect.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 6
Attribute_Units_of_Measure: Integer

Attribute:

Attribute_Label: Limpet_Num
Attribute_Definition:

Sequential number assigned to each limpet measured within each site.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 267
Attribute_Units_of_Measure: Integer

Attribute:

Attribute_Label: Limpet_Size_mm
Attribute_Definition:

The size (maximum shell length), in millimeters, of each limpet. A null value "." indicates that the limpet size was not recorded.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 34
Attribute_Units_of_Measure: Millimeters

Detailed_Description:

Entity_Type:

Entity_Type_Label: KATMKEFJWPWS_2010-2023_Limpet_Count.csv
Entity_Type_Definition:

Table with sample area measurements and counts of limpets used to estimate limpet density at rocky intertidal sampling sites. Each record represents one sample area measurement and limpet count at a single rocky intertidal sampling site. Presented in a Comma Separated Value (CSV) formatted table exported from a relational database.

Entity_Type_Definition_Source: Author defined

Attribute:

Attribute_Label: SiteID
Attribute_Definition:

Attribute_Definition_Source: Coletti et al. 2017 and Dean et al. 2014
Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RI
Enumerated_Domain_Value_Definition:

Sampling type = Rocky Intertidal Intensive Block. Intensive sites are chosen by a random process.

Enumerated_Domain_Value_Definition_Source: Author defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RE
Enumerated_Domain_Value_Definition: Sampling Type = Rocky Intertidal Extensive Block
Enumerated_Domain_Value_Definition_Source: Author defined

Attribute_Domain_Values:

Enumerated_Domain:

Enumerated_Domain_Value: RS
Enumerated_Domain_Value_Definition:

Sampling Type = Selected Sites. Selected sites are chosen for a specific reason (e.g., existence of historic data).

Enumerated_Domain_Value_Definition_Source: Author defined

Attribute:

Attribute_Label: SiteName
Attribute_Definition:

Name of sampling site, as defined in Coletti et al. 2017, https://doi.org/10.5066/F78S4N3R, and Dean et al. 2014.

Attribute_Definition_Source: Coletti et al. 2017 and Dean et al. 2014
Attribute_Domain_Values:

Unrepresentable_Domain:

A unique site name given to each unique 'SiteID'. Typically, a site is names after the body of water where the sampling site is located.

Attribute:

Attribute_Label: SampleDate
Attribute_Definition: Date the limpet transects were sampled.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2010-06-23
Range_Domain_Maximum: 2023-07-08
Attribute_Units_of_Measure: Date (YYYY-MM-DD)

Attribute:

Attribute_Label: Year
Attribute_Definition: Year the limpet transects were sampled.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 2010
Range_Domain_Maximum: 2023
Attribute_Units_of_Measure: Year

Attribute:

Attribute_Label: Rep_Num
Attribute_Definition:

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 1
Range_Domain_Maximum: 6
Attribute_Units_of_Measure: Integer

Attribute:

Attribute_Label: Number_Limpets
Attribute_Definition: The total number of limpets counted in each sampled area.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 41
Attribute_Units_of_Measure: Count

Attribute:

Attribute_Label: Radius_m
Attribute_Definition:

The radius, in meters, of the area in which limpets were counted. Null values "." indicate that the radius was not recorded.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0.08
Range_Domain_Maximum: 9.00
Attribute_Units_of_Measure: Meters

Attribute:

Attribute_Label: Density
Attribute_Definition:

The density of limpets counted in the defined area; individuals per square meter. Null values "." indicate that the density was not calculated.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Range_Domain:

Range_Domain_Minimum: 0
Range_Domain_Maximum: 994.718
Attribute_Units_of_Measure: Individuals per square meter

Detailed_Description:

Entity_Type:

Entity_Type_Label: KATMKEFJWPWS_2006-2023_Limpet_Contributors.csv
Entity_Type_Definition:

Table with a list of principal investigators and contributors to the rocky intertidal sampling component of Gulf Watch Alaska. Presented in a Comma Separated Value (CSV) formatted table.

Entity_Type_Definition_Source: Author defined

Attribute:

Attribute_Label: Last_Name
Attribute_Definition: The last name of a Gulf Watch Alaska contributor.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Unrepresentable_Domain: The last name of a Gulf Watch Alaska contributor.

Attribute:

Attribute_Label: First_Name
Attribute_Definition: The first name of a Gulf Watch Alaska contributor.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Unrepresentable_Domain: The first name of a Gulf Watch Alaska contributor.

Attribute:

Attribute_Label: ORCID
Attribute_Definition:

The ORCID (Open Researcher and Contributor ID) for each collaborator. The null values "." indicate that the contributor does not have an ORCID or the ID is unknown.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Unrepresentable_Domain:

The ORCID (Open Researcher and Contributor ID) for each collaborator.

Attribute:

Attribute_Label: Position
Attribute_Definition: The position title of the Gulf Watch Alaska contributor.
Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Unrepresentable_Domain: The position title of the Gulf Watch Alaska contributor.

Attribute:

Attribute_Label: Agency
Attribute_Definition:

The agency who the Gulf Watch Alaska contributor is associated with.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Unrepresentable_Domain:

The agency who the Gulf Watch Alaska contributor is associated with.

Attribute:

Attribute_Label: Program
Attribute_Definition:

The program within the agency who the Gulf Watch Alaska contributor is associated with. The null values "." indicate that the program of the collaborator is unknown.

Attribute_Definition_Source: Author defined
Attribute_Domain_Values:

Unrepresentable_Domain:

The program within the agency who the Gulf Watch Alaska contributor is associated with.

Rocky Intertidal Limpet (Lottia persona) Data from Prince William Sound, Katmai National Park and Preserve, and Kenai Fjords National Park

Metadata: