Table 4: Factor analysis for the dry season (May 2013). Significant values are in italic. CO: coprostanol; EP: epicoprostanol; CH: cholesterol; CHL: cholestanol; ST: stigmastanol; STL: stigmastanol; SI: sitosterol; TC: total carbon; TN: total nitrogen; OM: organic matter; : carbonates; FG: fine grain.

VariableFactor 1Factor 2Factor 3

CO0.95
EP0.97
CH0.86
CHL0.97
ST0.96
STL0.96
SI0.97
TC0.93
TN0.94
OM0.83
0.88
FG0.75
Expl. var.
Prp. totl.