A. The relative abundances 
.
Fig. 6. Abundances in the two-factor “quadratic” model (L1 and L2 range from 0.001 to 100).
A. The relative abundances .
B. The abundance n3 (it ranges from 7.932.10-8 to 3.791).
C. The total abundance n (it ranges from 5. 267.10-4 to 52.67).