Table 3: Factor analysis for the Nortes season (Feb 2012). Significant values are in italic. CO: coprostanol; EP: epicoprostanol; CH: cholesterol; CHL: cholestanol; CA: campesterol; STL: stigmastanol; SI: sitosterol; SIL: sitostanol; TC: total carbon; TN: total nitrogen; OM: organic matter; : carbonates.

VariableFactor 1Factor 2Factor 3

CO0.95
EP0.93
CH0.77
CHL0.88
CA0.88
STL0.75
SI0.78
SIL0.93
TC0.98
TN0.89
OM0.91
0.96
Expl. var.
Prp. totl.