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CONTENTS
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| 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. |
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| 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. |
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| 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. |
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| 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. |
