(D) Temperature
- Sea water temperature and air temperature was measured by a thermometer.
- At 10 m interval along the transect line, temperature above, below and in soil was measured by a thermometer.
(E) Humidity
- Humidity was measured by a hydrometer.
(F) Map sketching
- With the aid of a compass, the north was noted.
- The location of study, location of mangrove, location of other plant communities were noted and sketched.
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