KOSMOS 2018 Gran Canaria mesocosm study on artificial upwelling: pigment concentration and pigment-based phytoplankton community composition

Pigment concentration and pigment-based phytoplankton community composition data from a KOSMOS mesocosm experiment carried out in the frame work of the Ocean Artificial Upwelling project. The experiment was performed in the North-East Atlantic Ocean off the coast of Gran Canaria in autumn 2018 and l...

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Bibliographic Details
Main Authors: Ortiz Cortes, Joaquin, Arístegui, Javier, Taucher, Jan, Riebesell, Ulf
Format: Dataset
Language:English
Published: PANGAEA 2023
Subjects:
19-Butanoyloxyfucoxanthin
19-Hexanoyloxyfucoxanthin
Alloxanthin
artificial upwelling
Canarias Sea
carbon sequestration
Chemtax
Chlorophyll a
Chlorophyceae
Chrysophyceae
Cryptophyceae
Cyanobacteria
Diatoms
Dinophyceae
Prasinophyceae
Prochlorophyceae
Prymnesiophyceae
total
Chlorophyll a + divinyl chlorophyll a
Chlorophyll b
Chlorophyll c2
Chlorophyll c3
Day of experiment
Depth
water
experiment
bottom/maximum
top/minimum
Diadinoxanthin
Diatoxanthin
Divinyl chlorophyll a
Event label
Field experiment
Food web
Fucoxanthin
High Performance Liquid Chromatography (HPLC)
HPLC/CHEMTAX (Mackey et al. 1996)
North East Atlantic
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.960321
https://doi.org/10.1594/PANGAEA.960321
Description
Summary:Pigment concentration and pigment-based phytoplankton community composition data from a KOSMOS mesocosm experiment carried out in the frame work of the Ocean Artificial Upwelling project. The experiment was performed in the North-East Atlantic Ocean off the coast of Gran Canaria in autumn 2018 and lasted for 39 days. In this study we investigated the effect of different intensities of artificial upwelling combined with two upwelling modes (recurring additions versus one singular addition) on the phytoplankton community. Filters were analysed for a range of photosynthetic pigments using reverse-phase high-performance liquid chromatography (HPLC). Based on pigment concentrations, phytoplankton community composition was approximated using the CHEMTAX software with the original pigment ratios from Mackey et al (1996, doi:10.3354/meps144265). The input included Chl a, b, c2, and c3, peridinin, 19'-butanoyloxyfucoxanthin, fucoxanthin, neoxanthin, prasinoxanthin, violaxanthin, 19'-hexanoyloxyfucoxanthin, alloxanthin, diadinoxanthin, diatoxanthin and zeaxanthin. Divinyl Chl a was instead fully associated with Prochlorophyceae. The presence of the main phytoplankton groups is expressed in Chl a equivalents.

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