Distribution of Polybrominated Diphenyl Ethers in Sewage Sludge, Sediments, and Fish from Latvia / Juris Aigars, Natalija Suhareva, Rita Poikane. Development of Fish Age Normalization Technique for Pollution Assessment of Marine Ecosystem, Based on Concentrations Of Mercury, Copper, and Zinc in Dorsal Muscles of Fish / Natalija Suhareva, Juris Aigars, Rita Poikane, Mintauts Jansons. The Influence of Feeding Ecology and Location on Total Mercury Concentrations in Eurasian Perch (Perca Fuviatilis) / Natalija Suhareva, Juris Aigars, Rita Poikāne, Juris Tunens. The Trophic Transfer of Hazardous Substances from the Perspective of Feeding Ecology / Natalija Suhareva, Juris Aigars, Rita Poikāne, Nicholas A. Heredia, Juris Tunēns, Ļubova Baraškova.