Foreword; pp. 233–235

Historical review of the literature on phytobenthic investigations in the Gulf of Riga; pp. 236–250

Environmental factors affecting the distribution of charophyte species in Estonian coastal waters, Baltic Sea; pp. 251–259

Distribution and dynamics of drifting macroalgal mats in Estonian coastal waters during 1995–2003; pp. 260–268

Changes in the feeding behaviour of benthic invertebrates: effect of the introduced polychaete Marenzelleria viridis on the Baltic clam Macoma balthica; pp. 269–275

Cercopagis pengoi (Cladocera) in the Gulf of Finland: environmental variables affecting its distribution and interaction with Bosmina coregoni maritima; pp. 276–282

Comparison of macrozoobenthic communities between the 1960s and the 1990s–2000s in the Väinameri, NE Baltic Sea; pp. 283–291

Microevolution of eelpout, Zoarces viviparus, in the Baltic Sea; pp. 292–305

Re-allocation of the Baltic herring fishing possibilities; pp. 306–316