AFSC/RACE/SAP/Foy: The effects of ocean acidification on ovigerous Tanner crab size, calcium, and magnesium content. : Kodiak Island, Alaska.
Alaska Fisheries Science Center
Data Set
(DS)
| ID: 27842
| Published / External
Created: 2015-10-08
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Last Modified: 2024-01-15
Project (PRJ) | ID: 22354
ID: 27842
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | AFSC/RACE/SAP/Foy: The effects of ocean acidification on ovigerous Tanner crab size, calcium, and magnesium content. : Kodiak Island, Alaska. |
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Short Name | AFSC/RACE/SAP/Foy: The effects of ocean acidification on ovigerous Tanner crab size, calcium, and magnesium content. : Kodiak Island, Alaska. |
* Status | Completed |
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• Publication Date | |
* » Abstract |
To study the effects of ocean acidification we conducted laboratory experiments with adult ovigerous females of the economically important southern Tanner crab, Chionoecetes bairdi. Ovigerous females were reared in one of 3 treatments: control (ambient pH ~8.1), pH 7.8, and pH 7.5 for 2 years. The adult female sizes used for the experiments ranged from 87 to 112 mm among the three treatments. Throughout the experiment , pH and temperature were measured daily in each of the 3 treatments. The mean daily temperature was 5.0 C, varied seasonally from a low of ~1 C in January 2012 to a high of ~ 9C in August 2011, and did not vary between treatments. pH remained significantly different among the treatments. Brooding duration for each female was defined as beginning the day of egg extrusion in 2012 and ended when larval hatching began in 2013. Mean brood duration ranged from 340 to 366 days. Magnesium and calcium content were determined at the end of the experiment from a portion of exoskeleton. Magnesium did not differ with pH treatment but the ratio of magnesium to calcium did differ among treatments. |
* Purpose |
The purpose of the female Tanner crab experiment is to provide the initial carapace length, the brood duration, and the death date for each female and the specific treatment data (pH and temperature) used in the experiment. The (calcium) Ca and (magnesium) Mg dataset is to provide the carapace mineral data associated with the three treatments collected at the end of the experiment |
Notes |
Loaded by FGDC Metadata Uploader, batch 7252, 10-08-2015 10:28 The following FGDC sections are not currently supported in InPort, but were preserved and will be included in the FGDC export: - Taxonomy (FGDC:taxonomy) |
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Keywords
Theme Keywords
Thesaurus | Keyword |
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None | brood duration |
None | Female calcium content |
None | Female magnesium content |
None | seawater pH |
None | seawater temperature |
None | Tanner crab size |
None | Tunner crab |
None | tunner crab Female Ca and Mg |
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* Spatial Keywords
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Alaska | Kodiak Island |
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Physical Location
• » Organization | Alaska Fisheries Science Center |
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• » City | Seattle |
• » State/Province | WA |
• Country | USA |
• » Location Description |
Data Set Information
* Data Set Scope Code | Data Set |
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• Data Set Type | |
• Maintenance Frequency | None Planned |
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» Data Presentation Form | Table (digital) |
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Support Roles
* » Support Role | Data Steward |
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* » Date Effective From | 2015 |
Date Effective To | |
Person | Foy, Robert |
Email Address | robert.foy@noaa.gov |
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* » Support Role | Distributor |
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* » Date Effective From | 2015 |
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Organization | Alaska Fisheries Science Center (AFSC) |
Address |
7600 Sand Point Way N.E., Building 4 Seattle, WA 98115 USA |
Email Address | afsc.webmaster@noaa.gov |
Phone | (206) 526-4000 |
Fax | (206) 526-4004 |
Mobile | |
URL | https://www.fisheries.noaa.gov/about/alaska-fisheries-science-center |
Business Hours | 0700-1700 Pacific Time |
Contact Instructions |
* » Support Role | Metadata Contact |
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* » Date Effective From | 2015 |
Date Effective To | |
Person | Foy, Robert |
Email Address | robert.foy@noaa.gov |
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* » Support Role | Originator |
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* » Date Effective From | 2015-10-08 |
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Person | Foy, Robert |
Email Address | robert.foy@noaa.gov |
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* » Support Role | Originator |
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* » Date Effective From | 2015-10-08 |
Date Effective To | |
Person | Long, Chris |
Email Address | chris.long@noaa.gov |
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* » Support Role | Originator |
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* » Date Effective From | 2015-10-08 |
Date Effective To | |
Person | Swiney, Katherine |
Email Address | katherine.swiney@noaa.gov |
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* » Support Role | Originator |
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* » Date Effective From | 2015-10-08 |
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Organization | Kodiak Fisheries Research Center (KFRC) |
Address |
301 Research Court Kodiak, AK 99615 USA |
Email Address | |
Phone | 907 481-1700 |
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Mobile | |
URL | http://www.afsc.noaa.gov/kodiak/ |
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* » Support Role | Point of Contact |
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* » Date Effective From | 2015-10-08 |
Date Effective To | |
Person | Foy, Robert |
Email Address | robert.foy@noaa.gov |
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Extents
Currentness Reference | Observation |
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Extent Group 1
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Extent Group 1 / Geographic Area 1
* » W° Bound | -152.3 |
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* » E° Bound | -151.1 |
* » N° Bound | 57.72 |
* » S° Bound | 57.65 |
* » Description |
Kodiak Island, Alaska |
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* » Time Frame Type | Range |
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* » Start | 2011-05-10 |
End | 2013-07-16 |
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* » Security Class | Unclassified |
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• Data Access Policy | |
» Data Access Procedure |
unknown |
• » Data Access Constraints |
none |
• Data Use Constraints |
Must read and fully comprehend the metadata prior to data use; acknowledgement of the Originator when using the data set as a source; sharing of data products developed using the source data set with the Originator; data should not be used beyond the limits of the source scale; the data set is NOT a survey document and should not be utilized as such |
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Distribution Information
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» Download URL | https://console.cloud.google.com/storage/browser/_details/nmfs_odp_afsc/RACE/SAP/Foy%3B%20The%20effects%20of%20ocean%20acidification%20on%20ovigerous%20Tanner%20crab%20size%2C%20calcium%2C%20and%20magnesium%20content.%20%3B%20Kodiak%20Island%2C%20Alaska..csv |
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Note: Dataset migrated by Dan Woodrich (AFSC data management coordinator) on 12/15/2021. Contact: Daniel.woodrich@noaa.gov |
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Description |
MS Excel 2012 |
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Data Quality
Representativeness | |
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Accuracy |
The accuracy of the size, seawater pH and temperature, and female calcium and magnesium content is high (less than 1% difference from actual) due to the low measurement error of the instruments used, measurement accuracy and precision controlled through system calibrations, and frequency of observations during the experiment. The brood duration data is 100% accurate due to daily (repeated) checking of female condition so that the hatch date is known. |
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The data collected on the adult female experiments are complete (i.e. not filtered). |
Conceptual Consistency |
Female size data were compared to known size frequency data. No quantitative assessments of consistency were made. Brood Duration information was broadly compared to previous studies conducted on Tanner crab at the Kodiak Laboratory and to similar species from similar collection locations while considering environmental and laboratory conditions. No quantitative assessments of consistency were made. Female pH temperature information was broadly compared to known seawater conditions in the Gulf of Alaska while taking into account laboratory variability and statistically compared to a control (alpha=0.05). Female Ca and Mg information was broadly compared to previous studies on crab shell mineral content and to similar measurements made on similar crab species and statistically compared to a control (alpha=0.05). For example, for comparing we used the study described in Mathis, Jeremy T., Jessica N. Cross, and Nicholas R. Bates. "Coupling primary production and terrestrial runoff to ocean acidification and carbonate mineral suppression in the eastern Bering Sea." Journal of Geophysical Research: Oceans (19782012) 116.C2 (2011). |
» Quality Control Procedures Employed |
unknown |
Data Management
» Have Resources for Management of these Data Been Identified? | No |
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» Approximate Percentage of Budget for these Data Devoted to Data Management | Unknown |
» Do these Data Comply with the Data Access Directive? | No |
» Is Access to the Data Limited Based on an Approved Waiver? | No |
» If Distributor (Data Hosting Service) is Needed, Please Indicate | yes |
» Approximate Delay Between Data Collection and Dissemination | unknown |
» If Delay is Longer than Latency of Automated Processing, Indicate Under What Authority Data Access is Delayed |
No delay |
» Actual or Planned Long-Term Data Archive Location | NCEI-MD |
» Approximate Delay Between Data Collection and Archiving | Unknown |
» How Will the Data Be Protected from Accidental or Malicious Modification or Deletion Prior to Receipt by the Archive? |
IT Security and Contingency Plan for the system establishes procedures and applies to the functions, operations, and resources necessary to recover and restore data as hosted in the Western Regional Support Center in Seattle, Washington, following a disruption. |
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Process Step Number | 1 |
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» Description |
Measurement of female size, brood duration, seawater pH, and seawater temp |
Process Date/Time | 2013-07-16 00:00:00 |
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Process Step Number | 2 |
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» Description |
Comparing size data were compared to known size classes |
Process Date/Time | 2013-07-15 00:00:00 |
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Process Step Number | 3 |
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» Description |
brood duration data analysis was completed by |
Process Date/Time | 2014-03-19 00:00:00 |
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Process Step Number | 4 |
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» Description |
Analysis of seawater pH and temperature data. |
Process Date/Time | 2014-04-17 00:00:00 |
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Process Step Number | 5 |
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Female Ca and Mg data were measured on |
Process Date/Time | 2013-07-15 00:00:00 |
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Process Step Number | 6 |
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Statistical analysis |
Process Date/Time | 2013-12-03 00:00:00 |
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Entity (ENT) | Brooding duration.xlsx | |
Entity (ENT) | Female Ca and Mg.xlsx | |
Entity (ENT) | Female data.xlsx | |
Entity (ENT) | Female pH temp.xls | |
Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 27842 |
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Metadata Record Created By | Nancy Roberson |
Metadata Record Created | 2015-10-08 10:28+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2024-01-15 12:08+0000 |
Metadata Record Published | 2016-05-16 |
Owner Org | AFSC |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2016-05-16 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2017-05-16 |
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