Table 2 Results of the best approximating Generalized Additive Model for explaining variation in diatom species richness
edf | Ref.df | Chi.sq | P value | Â |
|---|---|---|---|---|
Water temperature | 1.693 | 1.904 | 4.903 | 0.07862 |
pH | 2.000 | 2.000 | 13.483 | 0.00118** |
Salinity | 1.000 | 1.000 | 1.229 | 0.26757 |
Total phosphorus | 1.788 | 1.952 | 9.732 | 0.00749** |
Total nitrogen | 1.675 | 1.889 | 7.922 | 0.01741* |
Dissolved oxygen | 1.628 | 1.853 | 3.452 | 0.15513 |
Precipitation | 1.000 | 1.000 | 1.117 | 0.29058 |
Longitude | 1.000 | 1.000 | 1.033 | 0.85607 |
Exposition | 1.000 | 1.000 | 0.891 | 0.34508 |