QUALITATIVE AND QUANTITATIVE COMPONENTS OF MACROZOOBENTHOS IN THE RIVER ILOVA

Na rijeci Ilovi (gornje Poilovlje - središnja Hrvatska) od lipnja do rujna godine 1989. provedena su istraživanja kvalitativno-kvantitativnog sastava makrozoobentosa. Rezultati istraživanja vidljivi su iz tabl. 1 i 2. Po kvalitativnom sastavu na postajama A, B, C i D makrozoabentos je vrlo raznolik i relativno bogat po biomasi, dok je na postaji E izrazito siromašan. Po brojnosti prevladavaju Diptera (Sirnuliidae) a po biamasi Bivalvia (Unionidae).On the river Ilova (upper Poilovlja) in the period of between June-September, 1989 investigations on the qualitative- quantitative components of macrozoobenthos were carried out. The results are presented in Tables 1 and 2. According to the qualitative components at locations A, B, C and D the macrozaobenthos is very diversified and relatively rich in biomass, while on location E it is .markedly poor. According to number the Diptera (Simuliidae) are dominant, and in biomass the Bivalvia (Unionidae) is dominant