|Competition between Formica cinerea Mayr (Hymenoptera: Formicidae) and co-occuring ant species, with special reference to Formica rufa L.: direct and indirect interferences Czechowski W. , Markó B.|
|Periphytic ciliates in littoral zone of three shallow lakes of different trophic
status Mieczan T.
|Stream habitat conditions and fish fauna within the occurrence of Walecki barbel, Barbus cyclolepis waleckii Rolik, 1970 (Teleostei : Cyprinidae) in Polish part of the Carpathian Mts. Amirowicz A., Kukuła K.|
|The effect of environmental factors and nesting conditions on clutch overlap in the Feral Pidgeon, Columbia livia f. urbana
Hetmański T. , Wołk E.
|The effect of land cover and fragmentation of agricultural landscape on the density of White Stork ( Ciconia ciconia L.) in Brandenburg, Germany Latus C. , Kujawa K.|
|Does egg sex ratio in urban kestrels ( Falco tinnunculus ) differ from parity? Rejt Ł. , Gryczyńska-Siemiątkowska A. , Rutkowski R., Malewska A.|
|Ecosystem response to early and late Holocene lake-level changes in Lake Juusa, Southern Estonia Koff T. ,Punning J-M. , Sarmaja-Korjonen K. , Martma T.|
|Neustonic versus planktonic bacteria in eutrophic lake Kalwasińska A., Donderski W.|
|Interactions driving the population cycle of arctic small rodents Garding L.|
|The local interspecific abundance-body weight relationship of ground beetles: a counterexample to the common pattern
Ulrich W., Buszko J., Czarnecki A.
|Wetland restoration enhances the development of protected species ( Iris siberica L.) - a case study Sporek M., Rombel-Bryzek A.|
|Effect of borrowing activity of root vole ( Microtus oeconomus Pallas) on plant diversity in alpine meadow Sun P., Zhao X., Zhu W., Xu S.|