foto Piotr Ślipiński

 

 

 
CONTENTS
 
  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.

 

 

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