ASCOBANS Triennium Work Plan 2010-2012 3. Continue to review the extent of negative effects of sound, vessels and other forms of disturbance on small cetaceans and to review relevant technological developments and best practices with a view to developing guidelines which Parties may use to reduce disturbance by noise 4. Review new information, as far as possible in co-operation with EU, ICES and IWC, on cetacean population size, distribution structure, and causes of any changes in the ASCOBANS area and based on implications for conservation to make appropriate recommendations to Parties and other relevant authorities