This ECO2 FluX gas flux measurement chamber sets new standards for measuring CO2 dynamics at the ecosystem level.Because the chamber can be transparent as well as darkened, both Net Ecosystem Exchange (NEE)and Ecosystem Respiration (ER) can be measured directly and Gross Ecosystem Photosynthesis (GEP) can be estimated by their difference(GEP= NEE–ER), thus producing direct data of the processes behind NEE.The chamber covers a ground area of 3,100 cm 2 and has a volume of 220 L (at standard height of 80 cm) and is therefore big enough to include plants communities in many natural low – stature ecosystem types as well as many agricultural crops.

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