Skip to main content

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