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Table 2 Physical and chemical properties of pellet and soil infusions

From: Habitat discrimination by gravid Anopheles gambiae sensu lato – a push-pull system

Parameter Oviposition substrates in choice experiments
Lake water Pellet infusions Soil infusions
2 days 4 days 6 days 2 days 4 days 6 days Auto-claved
Turbidity (NTU) 1 22 17 25 222 97 73 137
(0.6–1.4) (20–23) (14–19) (20–29) (197–248) (92–102) (61–84) (108–166)
Conductivity (uS/cm) 107 477 553 543 173 207 237 266
(105–110) (462–491) (547–559) (532–555) (171–176) (203–212) (233–242) (258–274)
Dissolved oxygen (mg/l) 4 0.3 0.7 0.3 5.3 6 6.3 4.8
(2.7–5.3) (0.21–1.4) (0.9–1.4) (0.2–0.4) (5.0–5.6) (5.7–6.3) (6.0–6.6) (4.6–5.1)
pH 8.1 6.3 6.7 7.4 7.7 7.9 8 8.9
(7.9–8.1) (6.2–6.3) (6.5–6.9) (7.3–7.5) (7.6–7.7) (7.8–7.9) (7.9–8.0) (8.8–8.9)
Ammonium (mg/l) 0   5   0 0
Nitrate (mg/l) 10 10 10 10
Nitrite (mg/l) 0 0 0.025 0.025
Phosphate (mg/l) 0 3 1.5 1.5
Carbonate hardness (mmol/l) 0.1 3.9 2.7 2.5
Total hardness (mmol/l) 0.1 1.5 0.7 0.7