Secondary succession of the vegetation in the young shelterbelt (Turew area, Western Poland)
Zdzisław Bernacki

Importance of midfield shelterbelts for over-wintering entomofauna (Turew area, West Poland)
Jerzy Karg

Thysanoptera community of midfield shelterbelts of different age
Danuta Szeflińska

Butterflies ( Lepidoptera ) of young midfield shelterbelts
Dariusz Sobczyk

Small mammals in two midfield shelterbelts of different age
Rafał Łęcki

Surface microlayer in lakes of different trophic status: nutrients concentration and accumulation
Anna Hillbricht-Ilkowska, Iwona Kostrzewska-Szlakowska

Relationship between cyanobacterial bloom composition and anatoxin- a and microcystin occurrence in the eutrophic dam reservoir (SE Poland )
Barbara Pawlik-Skowrońska, Tadeusz Skowroński, Jacek Pirszel, Agnieszka Adamczyk

Long-term changes and spatial variability of mollusc communities in selected habitats within the dam reservoir (Włocławek Reservoir, Vistula River, Central Poland)
Ewa Jurkiewicz-Karnkowska and Janusz Żbikowski

Seed longevity and recruitment of seedlings in xerothermic grassland
Joanna Czarnecka

Interaction between canopy tree species and European yew Taxus baccata ( Taxaceae )
Grzegorz Iszkuło, Adam Boratyński

Black alder (A lnus glutinosa Gaertn.) as a pioneer species in regeneration of fresh oak-linden-hornbeam forest (T ilio-Carpinetum TYPICUM Traczyk 1962) in Białowieża Forest (East Poland)
Artur Obidziński

Microbial biomass versus soil fertility in forest sites
Józef Zwoliński

Variation in structure of needles of silver fir (A bies alba Mill.) saplings growing under the canopies of diverse tree species
Piotr Robakowski, Sławomir Samardakiewicz, Daniel Kierzkowski

Effect of distance between host trees and leaf litter removal on population density of C ameraria ohridella Deschka & Dimic, 19 86 ( Lepidoptera, Gracillariidae) – pest of chestnut (A esculus sp.) trees
Edward Baraniak, Urszula Walczak, Piotr Tryjanowski, Piotr Zduniak

Feeding inhibitors in pest control: efect of herb additions to food on the population dynamics of the lesser grain borer Rhyzopertha dominica F. (Coleoptera, Bostrychidae)
Małgorzata Kłyś