Thermoregulation and Q10 (The Temperature Coefficient)

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Presentation transcript:

Thermoregulation and Q10 (The Temperature Coefficient)

Q10: The Temperature Coefficient

How to Calculate Q10 at 10oC Intervals Video Q10 = rate at higher temperature rate at lower temperature Q10 = 290 = 1.92 152 Temperature oC Respiratory rate 10 152 20 290

How to Calculate Q10 at Different Temperature Intervals Q10 = k2 (10/t2 – t1) k1 k2 = rate at higher temperature k1 = rate at lower temperature t2 = higher temperature t1 = lower temperature (usually falls between 2-3, rounded to whole number)

Q10 Example k1 115 The heart rate of daphnia at 10o C is 152 bpm. At 15o C, the heat rate rises to 211 bpm. Calculate the Q10 Q10 = k2 (10/t2 – t1) = 211 (10/15 – 10) = (1.39)2 = 1.93 k1 115