Zooplankton Abundance and Biomass Retrospective

Zooplankton abundance and biomass were measured during spring and late summer on the inner shelf of the southeastern Bering Sea in years of climate extremes. Samples were taken during late spring and late summer of three years: 1997, a year of moderate spring ice cover and unusually warm, calm summer conditions; 1998, a year of warm, but stormy summer conditions with very little spring ice cover; and 1999, a year of extensive spring ice cover, cold spring conditions and storms during spring and summer. Mean water column temperature was significantly lower during June 1999 than June 1998 and 1997. Copepod abundance and biomass during June were correlated with mean water column temperature and mean temperature below the thermocline. Mean calanoid abundance during June 1999 was 8 - 52 % of the mean abundance during 1998 and 1997. Significantly lower abundances during June 1999 were observed for Calanus marshallae, Acartia spp., Pseudocalanus spp. and calanoid nauplii. Significant interannual differences in mean water column temperature and calanoid abundance during late summer (late July-early September) were not detected. The Hirst-Lampitt equations were used to estimate the mean daily copepod production during the warm and cold years. This dataset is part of the Bering Sea Ecosystem Study-Bering Sea Integrated Ecosystem Research Program (BEST-BSIERP). BEST-BSIERP together are the Bering Sea project.

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Temporal Range

  • Begin:  1997-06-04T00:00:00Z
    End:  2004-08-19T23:59:59Z


Resource Type dataset
Temporal Range Begin 1997-06-04T00:00:00Z
Temporal Range End 2004-08-19T23:59:59Z
Temporal Resolution N/A
Bounding Box North Lat 60.00000
Bounding Box South Lat 53.00000
Bounding Box West Long -172.00000
Bounding Box East Long -149.00000
Spatial Representation N/A
Spatial Resolution N/A
Related Links

Documentation #1 : Retro_Coyle.html

Additional Information N/A
Resource Format XLS: Excel (application/vnd.ms-excel)
Standardized Resource Format Excel
Asset Size 25 MB
Legal Constraints


Access Constraints none
Software Implementation Language N/A

Resource Support Name EOL Data Support
Resource Support Email datahelp@eol.ucar.edu
Resource Support Organization UCAR/NCAR - Earth Observing Laboratory
Distributor UCAR/NCAR - Earth Observing Laboratory
Metadata Contact Name EOL Data Support
Metadata Contact Email datahelp@eol.ucar.edu
Metadata Contact Organization UCAR/NCAR - Earth Observing Laboratory

Author Kenneth O. Coyle
Publisher UCAR/NCAR - Earth Observing Laboratory
Publication Date 2014-03-21T16:10:52
Digital Object Identifier (DOI) https://doi.org/10.5065/D6QJ7FBG
Alternate Identifier 102.282
Resource Version 1.0
Topic Category biota
Progress completed
Metadata Date 2024-02-07T22:48:10Z
Metadata Record Identifier edu.ucar.eol::102.282
Metadata Language eng; USA
Suggested Citation Kenneth O. Coyle. (2014). Zooplankton Abundance and Biomass Retrospective. 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6QJ7FBG. Accessed 18 June 2024.

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