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Figure 6
The number of diatom taxa in all ecological groups
| Core | Total | Habitat | Salinity | Trophy | Saprobity | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| spec | gen | p | b | e | m | oh | oi | eut | eu-met | met | me-olt | olt | eu-dyt | ir | pos | α-mes | α-β-mes | β-mes | ols | ks | ir | |
| All | 248 | 62 | 65 | 183 | 59 | 47 | 29 | 113 | 64 | 32 | 12 | 3 | 17 | 5 | 135 | 3 | 28 | 7 | 67 | 15 | 1 | 127 |
| W9 | 146 | 48 | 31 | 115 | 26 | 29 | 21 | 70 | 53 | 26 | 6 | 2 | 9 | 2 | 48 | 3 | 18 | 5 | 48 | 7 | 1 | 64 |
| ZP1 | 138 | 48 | 34 | 104 | 37 | 28 | 20 | 53 | 48 | 18 | 7 | – | 8 | - | 57 | 3 | 16 | 5 | 38 | 5 | 1 | 70 |
| UP10 | 133 | 40 | 49 | 84 | 37 | 26 | 10 | 60 | 42 | 17 | 6 | 1 | 13 | 2 | 52 | 2 | 12 | 5 | 32 | 12 | – | 70 |
| GG | 115 | 39 | 40 | 75 | 31 | 28 | 16 | 40 | 38 | 17 | 5 | 1 | 7 | 2 | 45 | 2 | 12 | 5 | 37 | 5 | – | 54 |
Autecology of the main diatom taxa recorded in the sediment cores of the study area
| Diatom taxa | Habitat | Salinity | Trophy | Saprobity |
|---|---|---|---|---|
| Actinocyclus normanii var. normanii (Gregory) Hustedt | p | oi | eut | α-mes |
| A. normanii f. subsalsa (Juhlin-Dannfelt) Hustedt | p | oh | eut | α-mes |
| A. octonarius Ehrenberg | p | e | olt | β-mes |
| Amphora copulata (Kützing) Schoeneman et Archibald | b | oi | eut | α-β-mes |
| A. pediculus (Kützing) Grunow | b | oi | eu-met | β-mes |
| Aulacoseira granulata (Ehrenberg) Simonsen | p | oi | eut | α-mes |
| Cyclotella atomus Hustedt | p | oh | eut | α-mes |
| C. caspia Grunow | p | oh | ir | ir |
| C. choctawhatcheeana Prasad | p | m | eut | α-mes |
| C. meneghiniana Kützing | b | oh | eut | α-mes |
| Cocconeis hauniensis Witkowski | b | m | eut | β-mes |
| C. neothumensis Krammer | b | oi | eu-met | ols |
| C. placentula var. placentula Ehrenberg | b | oi | eu-met | β-mes |
| Catenula adhaerens Mereschkovsky | b | e | eut | β-mes |
| Chaetoceros paulsenii RS Ostenfeld | p | m | ir | ir |
| Chaetoceros wighamii Brightwell | p | m | ir | ir |
| Coscinodiscus granii Gough | p | e | ir | ir |
| C. radiatus Ehrenberg | p | e | ir | ir |
| Cyclostephanos dubius (Fricke) Round | p | oi | eut | α-mes |
| Diploneis didyma (Ehrenberg) Cleve | b | m | eut | ir |
| Fragilaria atomus Hustedt | b | m | eut | ir |
| F. gedanensis Witkowski | b | m | ir | ir |
| F. martyi (Héribaud) Lange-Bertalot | b | oi | eu-met | β-mes |
| F. schulzii Brockman | b | m | met | ir |
| F. sopotensis Witkowski et Lange- Bertalot | b | m | eut | α-mes |
| Fragilariopsis cylindrus (Grunow) Krieger | b | e | ir | ir |
| Opephora guenter-grassii (Witkowski et Lange-Bertalot) Sabbe et Vyverman | b | m | olt | β-mes |
| O. krumbeinii Witkowski, Witak et Stachura | b | e | eut | β-mes |
| O. mutabilis (Witkowski et Lange-Bertalot) Sabbe et Vyverman | b | m | eut | β-mes |
| Pauliella taeniata (Grunow) Round et Basson | p | e | olt | ols |
| Pseudosolenia calcar-avis (Schultze) Sundström | p | e | ir | ir |
| Pseudostaurosira brevistriata Williams et Round | b | oi | eu-met | ols |
| Staurosira binodis (Ehrenberg) Lange-Bertalot | b | oi | eu-met | β-mes |
| S. construens (Ehrenberg) Williams et Round | b | oi | eu-met | β-mes |
| S. punctiformis Witkowski, Metzeltin et Lange-Bertalot | b | oh | ir | ir |
| S. subsalina (Hustedt) Lange-Bertalot | b | oh | eu-met | β-mes |
| S. venter (Ehrenberg) Cleve et Möller | b | oi | eu-met | β-mes |
| Stephanodiscus hantzschii Grunow | p | oi | eut | pos |
| Thalassiosira baltica (Grunow) Ostenfeld | p | m | met | β-mes |
| T. eccentrica (Ehrenberg) Cleve | p | e | ir | ir |
| T. levanderi Van Goor | p | e | eut | ir |
| T. proschkinae Makarova | p | m | eut | ir |
Parameters of the analyzed cores
| Core | φ | λ | Core length [cm] | Water depth [m] |
|---|---|---|---|---|
| W9 | 54.56 | 18.97 | 13 | 49.5 |
| ZP1 | 54.59 | 18.73 | 28 | 50.2 |
| UP10 | 54.67 | 18.89 | 35 | 79.7 |
| GG | 54.87 | 19.12 | 33 | 102 |