Pohuid 



155 



and wood shop, electrical and electronic shop, skilled 

 shop workman available in Krakow; one motorboat 

 and 2 boats with outboard motors in Goczalkowice. 

 SIZE OF STAFF: Thirty at professional level; 11 techni- 

 cians. 



IMPORTANT SPFCIES AVAILABLE FOR LABORATORY 

 STUDIES: 



Species inhabiting fish-ponds and rivers immediately 

 available for study. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Dynamics of biocoenoses of Carpathian rivers (Karol 

 Starmach and Jadwiga Sieminska) 



Formation of biocoenoses and of environment in bar- 

 rage reservoirs (Anna Rumek) 



Polish carp, Cyprians carpio, and its rearing in ponds 

 of the upper Wisla River basin ( Edward Rudzinski 

 and Jan Wlodek) 



Environment and biocoenoses of the fish ponds in the 



river basin of the upper Wisla and their change in 



relation to farming types (Karol Starmach and Sta- 



nislaw Wrobel) 



PUBLICATIONS ISSUED: Acta Hyilrohiologica (regularly 



published journal) 



Pracoiin'ta Ekolo^ii Wodnej Zakladii Ekologii 

 (PAN) 



INSTITUTE OF ECOLOGY (pAN), LABORATORY OF 

 WATER ECOLOGY 



POSTAL ADDRESS: Nowy Swiat 72, Warsaw, Poland. 

 EXECUTIVE OFFICER: Kajak Zdzislaw, Chief of Labora- 

 tory. 

 SPONSORING AGENCY: Polish Academy of Science. 



YEAR FOUNDED: 1952. 



SCOPE OF ACTIVITIES: Unrestricted research on dynamics 

 and interrelations of aquatic populations and bio- 

 coenoses; plankton studies, bottom ecology, ecology of 

 periphyton, productivity of fresh-water ecosystems. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Eutrophic and 

 oligotrophic lakes, rivers, streams, and fish ponds. 



PROVISIONS FOR VISITING SCIENTISTS: Space available 

 for two visitors; no fees charged; living quarters avail- 

 able in the city, 



MAJOR RESEARCH FACILITIES: Very extensive library; 

 running fresh-water and aquaria; all types of me- 

 chanical shops available in the city; small boats; one 

 vessel 55 m LOA. 



SIZE OF STAFF: Seven at professional level, 1 techni- 

 cian. 



IMPORTANT SPECIES AVAILABLE FOR LABORATORY 

 STUDIES: 



Mollusca: Viriparns jasciattis, Coretiis corneus, 

 Limiiaea stagnaUs, Dreissensia polymorpha. 



Tendipedidae: Tendipes plumosus, Pelopia kraatz'i, 

 Pro clad ius sp. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Ecology of benthos, especially benthonic Tendipedidae 



(Kajak Zdzislaw) 

 Ecology of planktonic Rotatoria (Anna Hillbricht- 



Ilkowska) 

 Problems of succession (Anna Hillbricht-Ilkowska) 

 Ecology of periphyton, especially periphytonic Nema- 



toda (Eva Pieczynska) 

 Ecology of Hydracarina (Eligiusz Pieczynska) 

 Ecology of Mollusca (Anna Stanczykowska) 

 Ecology of Algae (Irena Spodniewska) 

 PUBLICATIONS ISSUED: Ekologia Polska, ser. A and B; 

 Polish Ecological Bibliography (regularly published 

 journal) 



Pmcoun'ia H'lgietiy t Sanifarej Ochrony Wod 

 Pou'terzchniowych, Zakladii H'lgieny Komu- 

 nahiej 



INVESTIGATION AND SANITARY PROTECTION OF 

 SURFACE WATERS LABORATORY, COMMUNAL 

 HYGIENE DEPARTMENT 



POSTAL ADDRESS: Chocimska 24, Warsaw, Poland. 



EXECUTIVE OFFICER: Doc. Dr. Irena Cabejszek, Chief 

 of Laboratory. 



SPONSORING AGENCY: State Institute of Hygiene. 



YEAR FOUNDED: 1935. 



SCOPE OF ACTIVITIES: Unrestricted research on plankton 

 and river bottoms relating to pollution and purifica- 

 tion; graduate instruction. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Rivers; biocoe- 

 nose of trinklink filter in the sewage purification 

 process. 



PROVISION FOR VISITING SCIENTISTS: None. 



MAJOR RESEARCH FACILITIES: Extensive library; run- 

 ning fresh-water, small aquarium tanks; small boats 

 and outboard motors. 



SIZE OF STAFF: Six at professional level. 



important species available for laboratory 

 studies: 

 Chlorophyceae: Stigeoclonium sp., Clado phora sp. 

 Protozoa: Paramecium caudatum 

 Crustacea: Daphnia magna 



major current research projects and scientific 

 leaders: 

 Hydrobiology, algology, biological plankton and 



periphyton (Irena Cabejszek) 

 Hydrology, protozoology, microbiology (Janina 



Stanislawska) 

 Hydrology, ecology, Cladocera, Copepoda, Tendi- 

 pedidae (Jan Igor Rybak) 

 Hydrobiology, Tendipedidae (Bohdan Styczynski) 

 Hydrochemistry (Jerzy Luczak) 



PUBLICATIONS ISSUED: Roczniki Panstu'owego Zakladii 

 Higieny (regularly published journal). 



