@misc{StaƄczykowska_Anna_Biotic_1983-1984, author={StaƄczykowska, Anna and Lewandowski, Krzysztof and Ejsmont-Karabin, Jolanta}, editor={Polska Akademia Nauk. Instytut Ekologii}, copyright={Creative Commons Attribution BY 3.0 PL license}, address={Warszawa}, howpublished={online}, year={1983-1984}, language={eng}, abstract={The occurrence of molluscs in 5 lakes joined by the r. Jorka has been investigated. In all lakes the mussel Dreissena polymorpha dominated. This species varied greatly in particular lakes. D. polymorpha varied both as regards individual characters (size, shell and body weight, growth) and population characters (numbers of planktonic larvae and settled individuals, range of distribution, biomass, age structure).}, type={Text}, title={Biotic structure and processes in the lake system of r. Jorka watershed (Masurian Lakeland, Poland). 9, Occurrence and distribution of molluscs with special consideration to Dreissena polymorpha (Pall.)}, URL={http://rcin.org.pl/Content/79278/PDF/WA058_87222_P2840-T31_Eko-Pol-A-Nr-3.pdf}, volume={31}, number={3}, journal={Ekologia Polska}, publisher={Polish Scientific Publishers}, keywords={lakes, molluscs, mussels Dreissena polymorpha, distribution, numbers, age structure}, }