Preface; pp. 3–4

Water level and water temperature as factors determining phytoplankton biomass and nutrient content in Lake Peipsi; pp. 5–17

Seasonality of zoo- and phytoplankton in Lake Peipsi (Estonia) as a function of water temperature; pp. 18–39

Hepatotoxic cyanobacterial peptides in Estonian freshwater bodies and inshore marine water; pp. 40–52

Annotated list of rotifers of Lake Võrtsjärv; pp. 53–66

Fish kill in Lake Peipsi in summer 2002 as a synergistic effect of a cyanobacterial bloom, high temperature, and low water level; pp. 67–80