Report of the Working Group on Mackerel and Horse Mackerel Egg Surveys (by correspondence)

The Working Group on Mackerel rind Horse mackerel Egg Surveys has met by correspondence during 1998.During January and February modifications had to be made to the survey plans for the triennial egg surveys of thewestern and southern areas which had been agreed at the planning meeting in February 1997(1CES CM 1997/H:4).Available research vessel time was reduced and the plan to have seven survey periods had to be modified to six. As aeonsequenee the survey timing and area alIoeation to some countries was changed. Details of the sampling requirements,for the adult parameters, by country were also finalised during January and February.