The Scientific World Journal / 2012 / Article / Tab 1 / Research Article
Water Hyacinth Eichhornia crassipes (Mart.) Solms-Laubach Dynamics and Succession in the Nyanza Gulf of Lake Victoria (East Africa): Implications for Water Quality and Biodiversity Conservation Table 1 Variations (Mean ± SD) in the physicochemical parameters between the habitats of water hyacinth complex. Values in parenthesis indicate the range.
Habitat parameter Water hyacinth Hippo grass Mixed (water hyacinth and hippo grass) Open water Secchi depth (m)
0
.
3
5
±
0
.
1
3
0
.
2
3
±
0
.
1
0
0
.
3
1
±
0
.
1
4
0
.
4
2
±
0
.
1
2
(0.10–0.45) (0.15–0.35) 0.15–0.45 (0.25–0.60) Temp (°C)
2
8
.
5
0
±
2
.
3
9
2
6
.
8
0
±
2
.
3
3
2
8
.
0
0
±
1
.
7
7
2
7
.
7
0
±
2
.
1
0
(25.70–31.90) (24.20–28.70) (25.90–30.20) (25.50–31.8) pH
7
.
8
0
±
0
.
8
2
7
.
4
0
±
1
.
3
6
7
.
6
0
±
0
.
4
0
7
.
8
0
±
0
.
4
7
(6.60–8.80) (5.90–8.50) (7.20–8.10) (7.20–8.50) Turbidity (NTU)
1
1
2
.
2
0
±
1
1
1
.
7
9
4
6
1
.
3
0
±
3
6
0
.
1
3
1
5
2
.
8
0
±
1
2
1
.
8
9
7
1
.
1
±
2
4
.
5
1
(54.00–339.00) (77.00–791.00) (78.30–335.00) (47.30–115.00) TP (μ gP/L)
5
3
8
.
7
0
±
8
2
3
.
3
7
4
8
6
.
9
±
4
4
4
.
7
7
3
9
1
.
9
0
±
1
4
7
.
0
4
2
0
8
.
1
0
±
4
7
.
7
8
(146.90–2216.90) (179.70–996.90) (179.70–511.10) (149.70–284.00) TN (μ gN/L)
9
7
5
.
2
0
±
7
9
6
.
4
9
5
4
2
.
4
±
1
3
9
.
3
0
5
8
7
.
8
0
±
1
5
7
.
1
8
6
3
3
.
3
0
±
1
1
8
.
7
3
(750.40–2584.20) (517.30–692.50) (396.30–726.70) (485.70–834.60) Chloro-a (μ g/L) 9.90–5989.40
2
3
1
.
9
0
±
3
6
7
.
8
3
3
0
1
.
8
0
±
2
4
5
.
8
2
8
9
.
9
5
±
7
6
.
8
1
(
1
0
4
5
.
9
0
±
1
0
4
5
.
0
0
)
(19.40–656.70) (11.20–612.30) (9.90–200.20) Algal densities (individuals/cells/colonies/L)
1
2
1
7
2
.
5
±
1
6
1
7
7
.
3
8
)
6
9
1
4
.
6
7
±
9
3
4
0
.
4
2
8
0
5
8
.
2
5
±
5
7
3
1
.
5
9
4
7
7
2
.
1
2
±
4
2
6
4
.
3
1
(700.00–36120.00) (1493.00–17700.00) (1652.00–15522.00) (1116.00–13638.00)
