AFSC/RACE/SAP/Foy: Effects of ocean acidification on larval Tanner crab: Kodiak Island, Alaska.
Alaska Fisheries Science Center
Data Set
(DS)
| ID: 27853
| Published / External
Created: 2015-10-08
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Last Modified: 2024-01-15
Project (PRJ) | ID: 22354
ID: 27853
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | AFSC/RACE/SAP/Foy: Effects of ocean acidification on larval Tanner crab: Kodiak Island, Alaska. |
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Short Name | AFSC/RACE/SAP/Foy: Effects of ocean acidification on larval Tanner crab: Kodiak Island, Alaska. |
* Status | Completed |
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• Publication Date | |
* » Abstract |
To study the effects of ocean acidification we examined the effects of ocean acidification on the larval stages 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. Larvae in year 1 were from oocytes developed in the field whereas larvae in year 2 were from oocytes developed under acidified conditions. Larvae hatched each year, were also exposed to 3 pH treatments to examine starvation-survival, morphology, condition, and calcium/magnesium content. Approximately 300 larvae were stocked in multiple treatments for testing the effect of pH. Hatching success was measured as the total % of larval hatched from a full clutch while duration was the number of days over which hatching occurred. Hatching success did not differ among treatments in 2012 but varied between 46 to 87% in 2013 dependent on pH treatment. Larval mass was highest in pH 7.8 in 2012 and lowest in the control, however in 2013 the highest larval mass was in the control water. There were only small (not significant) changes in magnesium or calcium content among treatments in 2012 however, the reduction in both minerals at higher pH was greater in 2013. There was higher percent carbon and nitrogen contents in pH 7.5 larvae in 2013. The morphology of Tanner crab larval was assessed from 200 larvae stocked in multiple 2 L beakers. There was no effect of treatment on larval morphometrics. In 2012 and 2013, we examined if embryos developed under acidified conditions affected larval morphology by assessing 15 newly hatched larvae from each treatment. There was again no effect of treatment on larval morphometrics. Starvation survival experiments were performed in 1 L sized PVC inserts. In both years larvae from embryos that developed in pH 7.5 water survived about 3 days longer than those that developed in control water. However, in 2012 larvae from embryos that had developed in pH 7.8 water were similar to control larvae whereas in 2013 they were intermediate between the control and pH 7.5 larvae. The overall effects of treatment at the larval stage appeared to be better condition and initial survival at lower pH, however multiple years of treatment led to lower survival. |
* Purpose |
The purpose of the larval studies was to test the effects of lower pH on larval hatching success, condition, and survival. |
Notes |
Loaded by FGDC Metadata Uploader, batch 7256, 10-08-2015 10:49 The following FGDC sections are not currently supported in InPort, but were preserved and will be included in the FGDC export: - Taxonomy (FGDC:taxonomy) |
Other Citation Details | |
• Supplemental Information | |
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Keywords
Theme Keywords
Thesaurus | Keyword |
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None | Hatching Duration |
None | Hatching Success |
None | larval Ca |
None | Larval Ca nad Mg |
None | Larval Mg |
None | Larval morphology |
None | ocean acidification |
None | survival |
None | Tanner crab |
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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 |
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* » 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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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 | 2011-06-21 |
End | 2013-07-03 |
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Access Information
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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
Start Date | |
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» Download URL | https://console.cloud.google.com/storage/browser/_details/nmfs_odp_afsc/RACE/SAP/Foy%3B%20Effects%20of%20ocean%20acidification%20on%20larval%20Tanner%20crab%3B%20Kodiak%20Island%2C%20Alaska%3B%20Hatching-success-and-duration.csv |
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Note: Dataset migrated by Dan Woodrich (AFSC data management coordinator) on 12/16/2021. Contact: Daniel.woodrich@noaa.gov |
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Technical Environment
Description |
MS Excel 2012 |
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Accuracy |
The accuracy of the hatching success and duration data is high (100%) due to the type of data (counts) and due to the frequency of observations during the experiment. The accuracy of the larval experimental data is high (less than 1% difference from actual). The instruments used for mass, Ca and Mg had low measurement error. The accuracy of the Larval Morphology data is high due to consistency during morphological measurement from experienced scientists with replicate readings when appropriate. In addition, the frequency of observations was high during the experiment to ensure that the temporal changes were captured. The accuracy of the Larval Survival data is high (100%) due to the type of data (i.e. counts). |
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The larval experimental datasets are complete (i.e. not filtered). |
Conceptual Consistency |
Hatching success and duration, larval morphology, and Ca and Mg information were broadly compared to previous studies on Tanner crab mineral content and to similar measurements made on similar crab species and statistically compared to a control (alpha=0.05). Larval mass and survival information was compared broadly to known values and statistically compared to a control (alpha=0.05); replicate response was also considered. 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 Steps
Process Step Number | 1 |
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» Description |
Measuring of Hatching success, larval mass, Ca and Mg, CHN, and survival data |
Process Date/Time | 2013-07-30 00:00:00 |
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Process Step Number | 2 |
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» Description |
Analysis of the results |
Process Date/Time | 2014-05-07 00:00:00 |
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Process Step Number | 3 |
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» Description |
Collection of larval Morphology data 1 step |
Process Date/Time | 2011-07-21 00:00:00 |
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Process Step Number | 4 |
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» Description |
Collection of larval Morphology data 2 step |
Process Date/Time | 2013-05-29 00:00:00 |
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Process Step Number | 5 |
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Statistical analysis |
Process Date/Time | 2014-04-07 00:00:00 |
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Child Items
Rubric scores updated every 15m
Score | Type | Title |
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Entity (ENT) | Hatching success and duration.xlsx | |
Entity (ENT) | Larval CHN.xlsx | |
Entity (ENT) | Larval Ca and Mg.xlsx | |
Entity (ENT) | Larval Morphology.xls | |
Entity (ENT) | Larval Survival.xlsx | |
Entity (ENT) | Larval mass.xlsx | |
Related Items
Item Type | Relationship Type | Title |
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Catalog Details
Catalog Item ID | 27853 |
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Metadata Record Created By | Nancy Roberson |
Metadata Record Created | 2015-10-08 10:49+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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