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Biofilter in-situ incubation. Ken Collins Southampton Oceanography Centre. mixing pump. Oxygen electrode. Sampling pump. Control – seawater only. Biofilter + seawater. Winkler bottle. Pump batteries. Oxygen meter. Slovenia +. Temperature effect Q 10
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Biofilter in-situ incubation Ken Collins Southampton Oceanography Centre
mixing pump Oxygen electrode Sampling pump
Control – seawater only Biofilter + seawater
Winkler bottle Pump batteries Oxygen meter
Temperature effect Q10 ln Q10 = [10/(T2-T1)] ln k2/k1 if Q10 = 2,, T2 = 20oC, T1= 15oC ln 2 = [10/(20-15)] ln k20/k15 .693 = 2 ln k20/k15 k20= 1.414 k15
Slovenia +
Average respiration rate at 20oC = 53 +/_ 16 umolO2 gAFDW-1 h-1 oxygen consumption - carbon flux (1mole O2 = 1mole C) - nutrient flux (Redfield ratio C:N:P=106:16:1) - filtration rate