1. To carry out a trawl survey for pre-recruit bass in the middle Thames estuary, Medway, Swale, Essex Blackwater, Crouch and Roach Estuaries over established grid stations.
2. To determine the relative abundance and population age structure of pre-recruit bass in the Thames and adjacent estuaries, as a basis for comparison with other areas, e.g. Solent harbours.
Mary Jane Brown (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)
Thames, Medway, Swale and Essex Estuaries
Quantity: number of stations = 18 Description: mini-CTD deployed after each tow.
Biology and fisheries
Quantity: number of hauls = 18 Description: bass distribution and abundance.