Table 2. Diversity of the gastropod fauna from Saal and from the Nattheim area (Nattheim, Gerstetten, Gussenstadt, Blaubeuren, Bosler, all in Swabian Alb); number of indiduals, species richness, Simpson- and Shannon index, rarefaction at 200 specimens: expected species richness; both gastropod faunas have the same diversity although few species are shared.
|
Individuals |
Species |
Simpson |
Shannon |
Rarefaction at 200 spcms. |
| Saal |
1663 |
125 |
0.96 |
3.864 |
50 exp. Species |
| Nattheim |
224 |
54 |
0.95 |
3.417 |
52 exp. Species |