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Table 1.

Break-points and slopes of the functional response of growth to dietary sterol availability calculated by linear regression models with segmented relationships between mass-specific growth rates of D. magna at different temperatures and dietary cholesterol levels (μg mg–1 C)

TemperatureBreak-pointSlope
15°C 6.98 (6.49–7.46)a 0.042 (0.038–0.045)a 
20°C 7.62 (6.97–8.27)a 0.053 (0.047–0.059)b 
25°C 8.96 (8.33–9.59)b 0.054 (0.049–0.059)b 
TemperatureBreak-pointSlope
15°C 6.98 (6.49–7.46)a 0.042 (0.038–0.045)a 
20°C 7.62 (6.97–8.27)a 0.053 (0.047–0.059)b 
25°C 8.96 (8.33–9.59)b 0.054 (0.049–0.059)b 

Slopes refer to the first segments of regressions at low dietary cholesterol levels (cholesterol-limited growth, glim),including the break-point. 95% confidence intervals are given in parentheses,and identical superscript letters indicate estimates that have overlapping confidence levels

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