THE EFFECT OF BIRCH PROPORTION ON THE GROWTH OF SPRUCE AND BIRCH IN A MIXED STAND; pp. 97–107

ESTIMATION OF THE CONCENTRATION OF YELLOW SUBSTANCE IN NATURAL WATERS BY BEAM ATTENUATION COEFFICIENT SPECTRA; pp. 108–123

POLYCHLORINATED BIPHENYLS AND CHLORORGANIC PESTICIDES. ASSESSMENT OF HEALTH RISK ASSOCIATED WITH THE CONSUMPTION OF SEAFOOD; pp. 124–135

LEVELS OF POLYCYCLIC AROMATIC HYDROCARBONS IN EELPOUT, ZOARCES VIVIPARUS, IN ESTONIAN MARINE WATERS; pp. 136–143

CONTENT OF HEAVY METALS IN MACOMA BALTICA AT THE SOUTHERN COAST OF THE GULF OF FINLAND; pp. 144–153

SHORT-TERM EFFECT OF THE SEWAGE TREATMENT PLANT ON THE PHYTOPLANKTON IN KURESSAARE BAY; pp. 154–166

COMPARISON OF TWO METHODS FOR THE CALCULATION OF THE ATMOSPHERIC INTEGRAL TRANSPARENCY COEFFICIENT; pp. 167–175