Table 5. Variance partitioning resulting from the partial canonical analyses of ecological and socioeconomical variables on species richness; data are for San Lorenzo.

Fraction of variation
Propor. of variation
F ratio

df

P
Ecological (a + b)
0.793
4.93
6,16
0.008
Socioeconomical (b + c)
0.294
1.80
2,16
n.s.
Total variation
0.846
3.3
9,16
0.05
Fraction decomposed


 

Ecol. not explained by soc. (a)
0.552
3.08
7,6
n.s.
Soc. explained by ecol. (b)
0.241

 

Soc. not explained by ecol. (c)
0.053
0.69
3,6
n.s.
Unexplained variation (d)
0.154

 



Note: Calculations are explained in Table 4.