else return canopyStomatalConductance;
return canopyStomatalConductance;
    protected float calculateCanopyStomatalConductance() {        float temperature = myShelfImpl.getBiomassRSImpl()                .getAirProducerDefinition().getEnvironments()[0]                .getTemperature();        float vaporPressureDeficit = calculateVaporPressureDeficit();        float netCanopyPhotosynthesis = calculateNetCanopyPhotosynthesis();        myLogger.debug("Planophile: temperature: " + temperature);        myLogger.debug("Planophile: vaporPressureDeficit:"                + vaporPressureDeficit);        myLogger.debug("Planophile: CO2Concentration:"                + getAverageCO2Concentration());        myLogger.debug("Planophile: netCanopyPhotosynthesis:"                + netCanopyPhotosynthesis);        float canopyStomatalConductance = (1.717f * temperature - 19.96f - 10.54f * vaporPressureDeficit)                * (netCanopyPhotosynthesis / getAverageCO2Concentration());        if (canopyStomatalConductance <= 0)            return Float.MIN_VALUE;        else            return canopyStomatalConductance;    }