Table 1 Diatom taxa for which average abundance in sampling sites exceeded 1.0%. Mean and range of the species’ relative abundance (%) and the percentage of sampling sites are also shown
| Â | Abundance (%) | Sampling sites (%) |
|---|---|---|
Diatoma tenuis Agardh | 15.1 (0–56.7) | 97.3 |
Nitzschia frustulum (Kützing) Grunow | 9.7 (0–74.0) | 72.9 |
Fragilariforma virescens var. subsalina Grunow | 8.7 (0–49.3) | 94.6 |
Achnanthidium minutissimum (Kützing) Grunow | 5.0 (0–64.0) | 86.5 |
Rhoicosphenia abbreviata (Agardh) Lange-Bertalot | 4.5 (0–34.0) | 83.8 |
Fragilaria capucina Desmazières | 4.5 (0–21.7) | 91.9 |
Nitzschia liebetruthii Rabenhorst | 4.0 (0–53.3) | 45.9 |
Staurosirella pinnata (Ehrenberg) D.M.Williams & Round | 3.7 (0–29.7) | 75.7 |
Fragilaria construens (Ehrenberg) Grunow | 3.3 (0–22.3) | 73.0 |
Achnanthes oblongella Oestrup | 2.8 (0–13.7) | 91.9 |
Fragilaria fasciculata (Agardh) Lange-Bertalot | 2.4 (0–23.3) | 56.8 |
Nitzschia perminuta (Grunow) Peragallo | 2.3 (0–11.3) | 51.4 |
Achnantheiopsis delicatula (Kützing) Lange-Bertalot | 2.3 (0–10.3) | 86.5 |
Epithemia sorex Kützing | 2.2 (0–52.3) | 43.2 |
Nitzschia inconspicua Grunow | 2.1 (0–13.7) | 62.2 |
Navicula gregaria Donkin | 1.6 (0–5.7) | 89.2 |
Cocconeis placentula var. placentula Ehrenberg | 1.4 (0–6.0) | 83.8 |
Navicula incertata Lange-Bertalot | 1.4 (0–8.7) | 32.4 |
Navicula margalithii Lange-Bertalot | 1.1 (0–9.3) | 43.2 |
Halamphora coffeiformis (Agardh) Levkov | 1.1 (0–5.3) | 70.3 |
Nitzschia fonticola (Grunow) Grunow | 1.0 (0–15.0) | 32.4 |