Table 1. Sampling layers in 21 stations for planktonic ciliates in the northern Beibu Gulf.

Station	Sampling layers
1	surface, 10 m, bottom
2	surface, 10 m, bottom
3	surface, 10 m, bottom
4	surface, 10 m, 30 m, bottom
5	surface, 10 m, 30 m, bottom
6	surface, 10 m, 30 m, bottom
7	surface, 10 m, 30 m
8	surface, bottom
9	surface, bottom
10	surface, 10 m, bottom
11	surface, 10 m, bottom
12	surface, 10 m, bottom
13	surface, 10 m, bottom
14	surface, 10 m, bottom
15	surface, 10 m, bottom
16	surface, bottom
17	surface, bottom
18	surface, bottom
19	surface, 10 m, bottom
20	surface, 10 m, bottom
21	surface, 10 m, 30 m, bottom