Dataset: Doliolid abundance, carbon and nitrogen content, chlorophyll-a, temperature, salinity, and depth from CTD casts from 25 RV Savannah cruises at the South Atlantic Bight, 2015-2017

ValidatedFinal no updates expectedDOI: 10.1575/1912/bco-dmo.692279.2Version 2 (2019-05-29)Dataset Type:Cruise Results

Principal Investigator: Marc E. Frischer (Skidaway Institute of Oceanography)

Co-Principal Investigator: Deidre M. Gibson (Hampton University)

BCO-DMO Data Manager: Nancy Copley (Woods Hole Oceanographic Institution)


Project: The cryptic diet of the globally significant pelagic tunicate Dolioletta gegenbauri (Uljanin, 1884.) (Doliolid Diet)


Abstract

Doliolid abundance, carbon and nitrogen content, chlorophyll-a, temperature, salinity, and depth from CTD casts from 25 RV Savannah cruises at the South Atlantic Bight, 2015-2017.

This dataset includes Doliolid abundance, carbon and nitrogen content, depth, temperature, salinity and in situ chlorophyll a from 25 cruises on the RV/Savannah at the South Atlantic Bight, Mid-Continental Shelf, (31 N 80 W) during 2015-2017. From the bottle samples, the following parameters were also measured:
- Average chemical extracted size fractionated total and > 8 um chlorophyll a and phaeophytin (mg m-3)
- Total and size fractionated (<10 um) POC (mg m-3 and mole L-1)
- Total and size fractionated (<10 um) PON (mg m-3 and mole L-1)
- Total and size fractionated (<10 um) delta13C (per mil vs PDB standard)
- Total and size fractionated (<10 um) delta15N (per mil vs air N2)
- Average delta13C (per mil vs PDB standard) and delta15N (per mil vs air N2) of starved D. gegenbauri zooids.
- D. gegenbauri abundance (individuals m-3)


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Methods

Fry, B., Brand, W., Mersch, F. J., Tholke, K., & Garritt, R. (1992). Automated analysis system for coupled .delta.13C and .delta.15N measurements. Analytical Chemistry, 64(3), 288–291. doi:10.1021/ac00027a009
Methods

Parsons T, Takahashi M, Hargrave B, (1984) Biological Oceanographic Processes. 3rd ed. Pergamon Press, England, pp. 330.