Gas exchange of plants in the field

Being concerned primarily with uptake of CO₂ in photosynthesis, this review examines the role of CO₂ in exchange mechanisms; micrometeorological techniques (including flux gradient analysis and eddy correlation); enclosure methods; infra-red gas analysers; flow measurement; and advances in understanding of photosynthesis in the field (with particular reference to response to light, photoinhibition, stomata and limitation to CO₂ uptake by plants in the field). Future advances will involve technological improvements, eg miniaturisation of equipment, and simultaneous measurement of CO₂ uptake with electron transport rate, carboxylation efficiency and stomatal limitation. -P.J.Jarvis