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Figure 1
Study area (1 – Lake Ślesińskie, 2 – Lake Mikorzyńskie, 3 – Lake Licheńskie)
Figure 2
Species diversity of host bivalves from the thermally polluted lakes
Figure 3
Infestation of various Bivalvia species by Dreissena polymorpha [* – statistical significant differences (Chi2, p < 0.05), a,b – “a” was significantly more often colonized by zebra mussels than “b” (SR)]
Figure 4
Infestation by Dreissena polymorpha in the thermally polluted lakes [* – statistical significant differences (Chi2, p <0.05), a,b – “a” was significantly more often colonized by zebra mussels than “b” (SR)]
Quantitative data on native and alien Bivalvia species and Dreissena polymorpha individuals covering their shells