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. 2015 Aug 11;10(8):e0134171. doi: 10.1371/journal.pone.0134171

Table 2. Means, standard deviation (SD) and coefficient of variation (CV) for triplicate CO 2 concentrations over the study period for each site.

CO 2 concentrations (ppmv)
2.5 cm 10 cm 50 cm
Mean SD CV Mean SD CV Mean SD CV
LF 2029 857 0.38 3475 709 0.21 8581 1291 0.16
LCC 3643 1946 0.47 5003 1184 0.26 7812 2325 0.32
PF 4713 940 0.24 5561 880 0.17 11110 3345 0.42
PCC 3370 2252 0.62 9291 5323 0.56 18721 3814 0.25