Free-Air Concentration Enrichment
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Free-Air Carbon dioxide Enrichment (FACE) is a method used by ecologists and plant biologists that raises the concentration of CO2 in a specified area and allows the response of plant growth to be measured. Experiments using FACE are required because most studies looking at the effect of elevated CO2 concentrations have been conducted in labs and where there are often factors other than CO2 concentration that affect growth, for example the pot effect. Measuring the effect of elevated CO2 using FACE is a better way of estimating how plant growth will change in the future as the CO2 concentration rises in the atmosphere due to man-made emissions. FACE also allows the effect of elevated CO2 on plants that cannot be grown in small spaces (trees for example) to be measured.
0.23 x 0.15 x 0.01 m; 0.172 kg