Defra - Department for Environment, Food and Rural Affairs.

Science Search

Science and Research Projects

Return to Science Search homepage   Return to Project List

Colour sensors and phytoplankton taxonomic composition - MF0418

Objective
1) To improve the existing UCNW design of 4-channel colour sensor so that the response matches SeaWiFS specifications, and so that instruments can be used in ship-lowered and stand-alone mode by persons untrained in electronics. 2) To relate colour ratios to dominant phytoplankters at various times of year, under a range of vertical mixing intensities, in a variety of optical water types, including clear outer shelf and turbid near-coastal waters, and including during harmful algal blooms. 3) To investigate the etxent of diversity in the absorption spectra of living cultivated microalgae, as well as natural phytoplankton, and of pigments extracted into acetone- and water-based solvents: the former solvent extracts chlorophylls and carotenoids, and the latter the phycobilin pigments of cyanobacteria and cryptomonads.
Project Documents
• Final Report : MF0418: Final report Colour Sensors and Phytoplankton Taxonomic Composition   (834k)
Time-Scale and Cost
From: 1995

To: 1997

Cost: £77,925
Contractor / Funded Organisations
UCNW, Ocean Sciences
Keywords
Fisheries              
Pre-Recruitment              
Sea Fish Stocks              
Stock Assessment              
Stock Conservation              
Fields of Study
Marine Fisheries