Table 1.
Physicochemical and biological variables (mean ± SE) during the study period (October 2011 to January 2012).
Date | Temp. (°C) | Cond. (µS/cm) | pH | Secchi (cm) | Chlorophyll a (µg/L) | Total Phytoplankton Biovolume (mm3/L) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Surface | Integrated | Patch | Shore | Surface | Integrated | Patch | Shore | |||||
Kisumu Bay (ST1) | ||||||||||||
27 October 2011 | 25.3 ± 0.1 | 153 ± 0.4 | 6.5 ± 0.3 | 25 | 50 | 14 | 1038 | 128 | 3.5 | 3.9 | 22.4 | 3.7 |
8 November 2011 | n.d | 159 ± 0.1 | 6.3 ± 0.2 | 15 | 20 | 17 | 274 | 18 | 2.4 | 2.1 | 264 | 1.6 |
5 December 2011 | 24.9 ± 0.3 | 130 ± 0.3 | 6.5 ± 0.1 | 27 | 19 | 10 | 845 | 73 | 5.0 | 3.0 | 145 | 34 |
10 January 2012 | 25.5 ± 0.2 | 134 ± 0.3 | n.d | 7 | 44 | 30 | 4382 | 1737 | 7.3 | 4.5 | 2467 | 291 |
Rusinga Channel (ST2) | ||||||||||||
9 January 2012 | 25.8 ± 0.1 | 106 ± 0.1 | n.d | 85 | 13 | 14 | n/a | 15 | 2.2 | 2.6 | n/a | 3.0 |
n.d not determined; n/a, not applicable.