Table 5.1. Number of macroalgal species along the salinity gradient in the Baltic. (Nielsen et al. 1995)
Location, area
Salinity (PSU)
Bangiophyceae Fucophyceae
Chlorophyceae Tribophyceae
Kattegatt west
30-18
126
106
70
12
east
28-10
121
92
69
7
Danish Belts
20-15
102
86
71
12
The Sound
10-8
103
73
65
8
Kiel Bight
17-10
63
66
53
5
Baltic south
of the Sound
8
47
31
35
10
Arkona Sea south
8
45
45
43
6
Sweden south (Hano Bay)
8
35
32
51
7
Bornholm Sea
8-7
27
28
18
3
Poland, Gulf
of Gdansk
7-6
15
23
31
Poland, coastal waters
8-7
7
8
8
Baltic proper, west
7-6
18
21
16
Baltic proper, Gothland
8-7
22
22
17
Baltic proper, east
7-6
14
18
17
Gulf of Riga
5
11
14
17
Estonian Archipelago
6-5
12
19
23
Gulf of Finland
6-3
15
25
48
2
Baltic proper, northwest
7-5
20
32
37
Aland Sea
6-5
16
28
44
2
Aland, Finnish Archipelago
6-5
15
25
36
1
Bothnian Sea
6-4
16
26
42
3
Bothian
Bay
4-1
6
11
13
2
Sum
156
128
110
12
Charophyceae Total
5
318
4
293
5
276
6
255
6
193
5
128
7
146
7
132
3
79
6
75
23
7
62
7
68
5
54
7
49
7
61
7
97
9
99
7
97
6
83
10
97
10
42
16
422
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