Table 3. Sub-regional dominance shift of the most common zooplankton taxa in the Baltic Sea across the salinity gradient from A to K.
Taxa/Subregions | A | B | C | D | E | F | G | H | I | J | K |
Paracalanus parvus | 1 | 2 | 5a | ||||||||
Pseudocalanus spp. | 2 | 1 | 1 | 2 | 2 | 2 | 1 | 1 | 4 | 3 | |
Oithona similis | 3 | 4 | 4 | 1 | 4 | ||||||
Centropages hamatus | 4 | 3 | 2 | 3 | 3 | 4 | |||||
Carnivorous cladoceransb | 5 | 5 | 5c | ||||||||
Meroplanktonic larvae | 6 | 4d | |||||||||
Calanus finmarchicus | 7 | ||||||||||
Centropages typicus | 7 | ||||||||||
Acartia spp. | 6 | 3 | 4 | 1 | 1 | 2 | 2 | ||||
Oikopleura dioica | 5e | ||||||||||
Temora longicornis | 3 | 3 | 3 | ||||||||
Bosmina spp. | 5d | 4d | 4d | 3d | 2d | ||||||
Evadne nordmanni | 5 | ||||||||||
Acartia tonsa | 5a | ||||||||||
Acartia bifilosa | 1 | 1 | |||||||||
Eurytemora affinis | 2 | 1 | |||||||||
Limnocalanus macrurus | 4 | 3 | 1 | ||||||||
Synchaeta spp. | 5f | 4f | |||||||||
Fritillaria borealis | 6 | ||||||||||
Pleurobrachia pileus | 6 | ||||||||||
Polychaeta (larvae) | 6 | ||||||||||
Keratella spp. | 4f | ||||||||||
Daphnia spp. | 2 |
Note:
Modified from: [185].
Legend:
1– the lowest, 7– the highest.
A Kattegat (shallow areas).
B Kattegat (deep areas).
C The Belts.
D Kiel Bay.
E The Sound.
F Arkona Sea.
G Bornholm Sea.
H Gotland Sea.
I Gulf of Finland.
J Bothnian Sea.
K Bothnian Bay.
late summer/autumn.
Evadne nordmanni, Podon spp.
not numerous.
not every year.
in spring.