Table 5 Examples of few descriptions of the phytoplankton pigments following the information provided in the library P09 of the “MEDATLAS Parameter Usage Vocabulary” hosted and managed by the British Oceanographic Data Centre (BODC) by means of the NERC Vocabulary Server (NVS2.0).

From: Biogeochemical parameters collected and analysed during the French cruises of the PIRATA programme in the Guinea Gulf, 1997--2024

Acronym SDN : P09

Parameter

Units SN : P06

Description

PERP

PERIDININ

μg/L

The mass of peridinin per unit volume of the water column held in particles of any size

FUCP

FUCOXANTHIN

μg/L

mass of fucoxanthin pigment per unit volume of the water body

TXAP

DIATOXANTHIN

μg/L

The mass of diatoxanthin per unit volume of the water column held in particles of any size

ZXAP

ZEAXANTHIN

μg/L

The mass of zeaxanthin per unit volume of the water column held in particles of any size

CPHL

CHLOROPHYLL-A TOTAL

μg/L

The mass of all variants of chlorophyll-a per unit volume of the water column held in particles of any sizes. Includes measurements unable to resolve chlorophyll-a types and the sum of HPLC chlorophyll-a types.