This volume contains papers presented at a NATO Advanced Re- search Workshop Programme entitled "Trace element speciation in sur- face waters and its ecological implications," held in Nervi (Genoa), Italy from November 2-4, 1981. It was co-sponsored by the Scientific Affairs Division of NATO, in conjunction with its Eco-Sciences Panel, and by the Associazione Italiana di Oceanologia e Limnologia. The organizing expenses and the expenses of the chairman and all in- vited participants were provided by the North Atlantic Treaty Organ- ization. The scientific programme was planned by Dr. G.G....