Parameters

March

April

Air Temperature (ºC)

26.4
(25.1 - 28.2)

26.5
(25.2 - 29.7)

Water Temperature (oC)

27.6
(27.1- 28.2)

29.2
(28.1 - 30.0)

pH

7.0 - 7.6

7.2 - 7.6

Dissolved oxygen (mg/l)

4.6
(4.0 - 11.0)

4.9
(4.5 - 8.5)

Salinity (‰)

24.3
(20.5 - 24.0)

22.6
(20.6 - 24.5)

Transparency (m)

1.05
(1.03 - 1.06)

1.09
(0.93 - 1.20)

(Range in brackets)
Table 1a: Mean physico-chemical parameters of western part of Lagos Lagoon, (March - April 2004).