Community sequence in hydro sere:-

1. Phytoplankton (pioneer species)

2. Submerged Plant.

3.

4. Keep swamp stage (aquatic annual grasses.)

5. Marshy meadow stage (perennial grasses):-

6. Shrub/woodland stage

7. Trees (forest) → climax

• Succession in water body start from edge of water body and progress towards centre.

Imp:- Climax community of both hydro sere and litho sere is tree which is mesophytic (it indicates that ancestor  of mesophyte is either hydrophyte or xerophytes.