Joanna MANKIEWICZ-BOCZEK, Magdalena URBANIAK, Zdzisława ROMANOWSKA-DUDA, Katarzyna IZYDORCZYK - Toxic cyanobacteria strains in lowland dam reservoir (Sulejów res., Central Poland): amplification of mcy genes for detection and identification

Marian J. GIERTYCH, Piotr KAROLEWSKI, Roma ŻYTKOWIAK, Jacek OLEKSYN - Differences in defence strategies against herbivores between two pioneer tree species: Alnus glutinosa (L.) Gaertn. and Betula pendula roth

Krystyna BOJARCZUK, Jacek OLEKSYN, Piotr KAROLEWSKI, Roma ŻYTKOWIAK - Response of silver birch (Betula pendula roth.) Seedlings to experimental variation in aluminum concentration

Monika JANIŠOVÁ - Tiller demography of Festuca pallens host (Gramineae) in two dry grassland communities

Lidia DZIERZBICKA-GŁOWACKA - Effect of turbulent mixing on the marine plankton vertical distribution: model simulations

Elżbieta DUMNICKA - Composition and abundance of oligochaetes (annelida: oligochaeta) in springs of Kraków Częstochowa upland (Southern Poland): effect of spring encasing and environmental factors

Krzysztof KUJAWA, Dariusz SOBCZYK, Anna KAJAK - Dispersal of Harpalus rufipes (degeer)(carabidae) between shelterbelt and cereal field

Ewa JURKIEWICZ-KARNKOWSKA - Communities of aquatic molluscs in floodplain water bodies of lowland river (Bug River, East Poland)

Grzegorz ORŁOWSKI, Lech NOWAK - Factors influencing mammal roadkills in the agricultural landscape of South-Western Poland

Maria SWIONTEK BRZEZINSKA, Wojciech DONDERSKI - Chitinolytic bacteria in two lakes of different trophic status

Mariola WRÓBEL, Tomasz TOMASZEWICZ, Justyna CHUDECKA - Floristic diversity and spatial distribution of roadside halophytes along forest and field roads in Szczecin Lowland (West Poland)

Paweł KOPERSKI, Małgorzata GOŁUB - Application of new regional biotic index apodemac, in environmental quality assessment of lowland streams

Michał ŻMIHORSKI, Daria ALTENBURG-BACIA, Jerzy ROMANOWSKI, Marek KOWALSKI, Grzegorz OSOJCA Long-term decline of the little owl (Athene noctua scop., 1769) in Central Poland

Rafael BARRIENTOS - Year-round defecation pattern in wild genets (Genetta genetta l.) in a mountain forest (Toledo, Central Spain)