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Sea ice meiofauna abundance in coastal fast ice off Barrow, Alaska, with a focus on Scolelepis squamata (Polychaeta), July 12, 2005 - April 4, 2006 (NCEI Accession 0064869)


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            title:  Sea ice meiofauna abundance in coastal fast ice off Barrow, Alaska, with a focus on Scolelepis squamata (Polychaeta), July 12, 2005 - April 4, 2006 (NCEI Accession 0064869)
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                date:  2010-06-07
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/person/details/4377 Bodil A. Bluhm
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1431 Alaska Ocean Observing System (AOOS)
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                  Anchor:  https://www.ncei.noaa.gov/archive/archive-management-system/OAS/bin/prd/jquery/institution/details/1431 Alaska Ocean Observing System
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        abstract:  The fast ice along the Alaskan coastline forms in November/December and reaches a thickness of 1.5-1.8m by April. Break-up usually occurs between late June and mid-July. During this time of sea ice cover, the coastal fast ice houses a variety of meiofaunal invertebrates including young life stages of benthic species which utilize the ice for feeding on the ice algal bloom. The goal of this study was to examine the role of coastal fast ice in the life cycle of juvenile benthic invertebrates using the example of the polychaete Scolelepis squamata. The data presented here include the abundance and seasonal development of the whole ice meiofaunal community in sea ice cores during five sampling periods in the sea ice season 2005/6 in coarse taxonomic resolution (phylum / order level) except for S. squamata. Meiofauna were sorted from at least three replicate bottom sections (0-10cm) of ice cores collected with an ice auger and melted in the dark after addition of 1 l of 0.2 micrometers-filtered sea water. The abundance of ice metazoans in sediment-free ice increased with progressing season from and was dominated by nematodes and polychaete juveniles. Abundances of meroplanktic polychaete juveniles were at least one order of magnitude below abundances in the ice, suggesting sea ice is an important feeding habitat for these young life stages. Associated environmental data will be submitted to the Alaska Ocean Observing System.
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        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) dataset
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  NCEI Accession 0064869 v1.1 was published.
                dateTime:
                  DateTime:  2010-06-07T17:18:06Z
                output:  (LE_Source)
                    sourceCitation:  (CI_Citation)
                        title:  NCEI Accession 0064869 v1.1
                        date:  (CI_Date)
                            date: (inapplicable)
                            dateType:  (CI_DateTypeCode) publication
                        citedResponsibleParty:  (CI_ResponsibleParty)
                            individualName: (inapplicable)
                            contactInfo:  (CI_Contact)
                                onlineResource:  (CI_OnlineResource)
                                    linkage: https://www.ncei.noaa.gov/archive/accession/0064869/1.1
                                    protocol:  HTTPS
                                    name:  NCEI Accession 0064869 v1.1
                                    description:  published 2010-06-07T17:18:06Z
                                    function:  (CI_OnLineFunctionCode) download
                            role: (inapplicable)
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    dataQualityInfo:  (DQ_DataQuality)
        scope:  (DQ_Scope)
            level:  (MD_ScopeCode) repository
            levelDescription:  (MD_ScopeDescription)
                other:  NOAA National Centers for Environmental Information
        lineage:  (LI_Lineage)
            processStep:  (LE_ProcessStep)
                description:  NOAA created the National Centers for Environmental Information (NCEI) by merging NOAA's National Climatic Data Center (NCDC), National Geophysical Data Center (NGDC), and National Oceanographic Data Center (NODC), including the National Coastal Data Development Center (NCDDC), per the Consolidated and Further Continuing Appropriations Act, 2015, Public Law 113-235. NCEI launched publicly on April 22, 2015.
                dateTime:
                  DateTime:  2015-04-22T00:00:00
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    metadataMaintenance:  (MD_MaintenanceInformation)
        maintenanceAndUpdateFrequency:  (MD_MaintenanceFrequencyCode) asNeeded
        maintenanceNote:  Metadata are developed, maintained and distributed by NCEI. Updates are performed as needed to maintain currentness.
        contact:  (CI_ResponsibleParty)
            organisationName:  NOAA National Centers for Environmental Information
            role:  (CI_RoleCode) custodian
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    acquisitionInformation:  (MI_AcquisitionInformation)
        instrument:  (MI_Instrument)
            identifier:  (MD_Identifier)
                code:  corer
            type:  corer
            description:  submersible, hydraulic rotary coring drill