AFSC/RACE/SAP/Pathobiology: 2015 Bitter crab disease prevalence in immature Chionoecetes spp. at 6 index sites in eastern Bering Sea
Alaska Fisheries Science Center
Data Set
(DS)
| ID: 36057
| Published / External
Created: 2016-12-19
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Last Modified: 2025-03-26
Project (PRJ) | ID: 22354
ID: 36057
Data Set (DS)
* Discovery• First Pass
» Metadata Rubric
Item Identification
| * » Title | AFSC/RACE/SAP/Pathobiology: 2015 Bitter crab disease prevalence in immature Chionoecetes spp. at 6 index sites in eastern Bering Sea |
|---|---|
| Short Name | AFSC/RACE/SAP/Pathobiology: 2015 Bitter crab disease prevalence in immature Chionoecetes spp. at 6 index sites in eastern Bering Sea |
| * Status | In Work |
| Creation Date | |
| Revision Date | |
| • Publication Date | |
| * » Abstract |
This dataset contains crab data from a field survey of Chionoecetes bairdi and C. opilio collected at six designated index sites in the Bering Sea during the 2015 NOAA/NMFS/AFSC/RACE crab-groundfish bottom trawl surveys of the eastern Bering Sea. Each of the six index sites were made up of approximately 10 survey stations and chosen based on historical incidences of the parasite Hematodinium sp., the causative agent of Bitter Crab Syndrome (BCS). Blood samples were taken from collected crab using non-lethal methods and were preserved in 100% ethanol. Samples were tested in a laboratory with a DNA test to detect the presence of the parasite Hematodinium sp., the causative agent of Bitter Crab Syndrome (BCS) to evaluate any changes in intensity of disease within the index sites that may provide information as to how the disease is moving or changing within EBS crab populations. The data includes sampling year, index site, species, crab morphometrics, Hematodinium sp. parasite presence/absence based on PCR assay results. |
| * Purpose |
To track the relative prevalence of Hematodinium within Chionoecetes spp. and be able to detect major changes annually |
| Notes |
Loaded by FGDC Metadata Uploader, batch 9610, 12-19-2016 10:50 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 |
|---|---|
| ISO 19115 Topic Category | biota |
| ISO 19115 Topic Category | oceans |
| None | bottom trawl |
| None | disease |
Temporal Keywords
| Thesaurus | Keyword |
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| None | summer |
* Spatial Keywords
| Thesaurus | Keyword |
|---|---|
| None | Alaska |
| None | Bering Sea |
| None | Bristol Bay |
| None | Pribilof Islands |
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Physical Location
| • » Organization | Alaska Fisheries Science Center |
|---|---|
| • » City | Seattle |
| • » State/Province | WA |
| • Country | USA |
| • » Location Description |
Data Set Information
| * Data Set Scope Code | Data Set |
|---|---|
| • Data Set Type | MS Excel |
| • Maintenance Frequency | As Needed |
| Maintenance Note | |
| » Data Presentation Form | Table (digital) |
| • Entity Attribute Overview | |
| Entity Attribute Detail Citation | |
| Entity Attribute Detail URL | |
| Distribution Liability |
The user is responsible for the results of any application of this data for other than its intended purpose. NOAA denies liability if the data are misused. |
| Data Set Credit |
Support Roles
| * » Support Role | Data Steward |
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| * » Date Effective From | 2015 |
| Date Effective To | |
| Person | Jensen, Pam |
| Email Address | pam.jensen@noaa.gov |
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| * » Support Role | Distributor |
|---|---|
| * » Date Effective From | 2016-12-19 |
| Date Effective To | |
| Person | Foy, Robert |
| Email Address | robert.foy@noaa.gov |
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| * » Support Role | Metadata Contact |
|---|---|
| * » Date Effective From | 2016-12-19 |
| Date Effective To | |
| Position | Metadata Coordinators MC |
| Email Address | afsc.metadata@noaa.gov |
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| * » Support Role | Originator |
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| * » Date Effective From | 2016-12-19 |
| Date Effective To | |
| 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 | Point of Contact |
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| * » Date Effective From | 2016-12-19 |
| Date Effective To | |
| Person | Jensen, Pam |
| Email Address | pam.jensen@noaa.gov |
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Extents
| Currentness Reference | Ground Condition |
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Extent Group 1
| Extent Description |
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Extent Group 1 / Geographic Area 1
| * » W° Bound | -176.5 |
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| * » E° Bound | -158 |
| * » N° Bound | 60.5 |
| * » S° Bound | 54 |
| * » Description |
Eastern Bering Sea, Alaska |
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Extent Group 1 / Time Frame 1
| * » Time Frame Type | Discrete |
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| * » Start | 2015 |
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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 |
There are no legal restrictions on access to the data. They reside in public domain and can be freely distributed. |
| • Data Use Constraints |
User must read and fully comprehend the metadata prior to use. Applications or inferences derived from the data should be carefully considered for accuracy. Acknowledgement of NOAA/NMFS/AFSC, as the source from which these data were obtained in any publications and/or other representations of these, data is suggested. |
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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/Pathobiology%3B%202015%20Bitter%20crab%20disease%20prevalence%20in%20immature%20Chionoecetes%20spp.%20at%206%20index%20sites%20in%20eastern%20Bering%20Sea.csv |
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| Description |
Note: Dataset migrated by Dan Woodrich (AFSC data management coordinator) on 12/15/2021. Contact: Daniel.woodrich@noaa.gov |
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Technical Environment
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Excel |
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Data is submitted through a thorough QA/QC process. |
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Data set includes data collected from standard and non-standard hauls. |
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Data is checked for values outside range. |
| » 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 |
This dataset contains randomly chosen samples of crab collected from the annual NOAA/NMFS/AFSC/RACE crab-groundfish bottom trawl survey of the eastern Bering Sea continental shelf. The standard survey area, surveyed each year since 1975, encompasses a major portion of the eastern Bering Sea shelf between the 20 meter and 200 meter isobaths and from the Alaska Peninsula to the north of St. Matthew Island. The study area is divided into a grid with cell sizes of 20 x 20 nautical miles (37 x 37 kilometers). Sampling takes place within each 20 x 20 nautical mile grid cell. Each tow is one-half hour in duration, averaging 1.54 nautical miles (2.86 kilometers) - exact tow duration and distance fished for each haul can be found in RACEBASE.HAUL. |
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| Process Step Number | 2 |
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| » Description |
Six index sites, composed of approximately 10 survey stations each, were preselected prior to the RACE crab-groundfish bottom trawl survey. The target sample size was 200 randomly chosen crabs (20 samples from each station). The sex of the crab is identified (1 = Male, 2 = Female, 3 = Unknown, 9 = no sex reported for this crab specimen). Individual crab carapaces were measured (± 1 mm), excluding spines, and are reported as size. Null or blank fields in data represent no size information reported for crab specimen. Chela height is measured on right chela at greatest distance (± 0.1 mm) excluding spines. Null or blank fields in data represent no chela height information reported for crab specimen. |
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| Process Step Number | 3 |
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| » Description |
Shell condition class serves as a semi-quantitative index of molt status and time in shell post-molt. Carapace shell condition was assigned to one of six classes according to specific criteria (0 = premolt or molting, 1 = soft and pliable, 2 = new hardshell both firm and clean, 3 = oldshell slightly worn, 4 = oldshell worn, 5 = very oldshell, 9 = no shell condition information reported for crab specimen). |
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| Process Step Number | 4 |
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| » Description |
DNA was extracted using modified Ivanova et al. (2006) protocol. Extracted DNA was assayed with two primer sets, targeting either 18S or ITS1 rDNA, to determine presence or absence of Hematodinium spp. Refer to metadata Point of Contact for PCR conditions. PCR Result is identified (0 = negative for Hematodinium DNA, 1 = positive for Hematodinium DNA, 3 = undetermined, at the limit of detection). |
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Acquisition Information
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Related Items
| Item Type | Relationship Type | Title |
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Catalog Details
| Catalog Item ID | 36057 |
|---|---|
| Metadata Record Created By | Christie Lang |
| Metadata Record Created | 2016-12-19 10:50+0000 |
| Metadata Record Last Modified By | SysAdmin InPortAdmin |
| » Metadata Record Last Modified | 2025-03-26 20:53+0000 |
| Metadata Record Published | 2016-12-19 |
| Owner Org | AFSC |
| Metadata Publication Status | Published Externally |
| Do Not Publish? | N |
| Metadata Workflow State | Published / External |
| Metadata Last Review Date | 2016-12-19 |
| Metadata Review Frequency | 1 Year |
| Metadata Next Review Date | 2017-12-19 |
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