Abstract
The functional response of D. carinata feeding on M. granulata was determined from laboratory trials conducted at 20-22�C, using a range of food concentrations (F) from 0.14 to 33.8�g (dry weight) mL-1. The functional response could be described by an lvlev model: I (ingestion rate, ng �g-1 h-1) = 200 - 205 × exp (- 0.036 × F). The ingestion rate at the highest food concentration (33.8 �g mL-1) was 140 ng �g-1 h-1, and there was no evidence to suggest that M. granulata either interfered with feeding at high densities or was a difficult food item for D. carinata to handle.
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