3/14/2017 Thermoregulation and Q10 (The Temperature Coefficient) - PDF document

3/14/2017 Thermoregulation and Q10 (The Temperature Coefficient) 1

3/14/2017 Q 10 : The Temperature Coefficient 2

3/14/2017 How to Calculate Q 10 at 10 o C Intervals How to Calculate Q 10 at Different Temperature Intervals Video Q 10 = k 2 (10/t2 – t1) Q 10 = rate at higher temperature k 1 rate at lower temperature Temperature o C Respiratory rate k2 = rate at higher temperature 10 152 k1 = rate at lower temperature t2 = higher temperature 20 290 t1 = lower temperature Q 10 = 290 = 1.92 (usually falls between 2-3, rounded to whole number) 152 Q 10 Example The heart rate of daphnia at 10 o C is 152 bpm. At 15 o C, the heat rate rises to 211 bpm. Calculate the Q 10 (10/t2 – t1) = 211 (10/15 – 10) = (1.39) 2 = 1.93 Q 10 = k 2 k 1 115 3