filtration rates were determined for a natural population of zooplankton grazers ( bosmina longirostris [ mull . ] , cyclops vicinus vicinus [ ulianine ] , acanthodiaptomus denticornis [ wierz . ] , and daphnia longispina [ mull . ] ) by using h-labeled bacteria as food for these organisms .
C0004611
bacteria
C0029235
organisms