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Table 2 Key parameters measured in the aquatic habitats that contained An. arabiensis larvae in La Reunion.

From: Spatial and temporal distribution patterns of Anopheles arabiensis breeding sites in La Reunion Island - multi-year trend analysis of historical records from 1996-2009

 

North-East

West

South

Characteristics & type of breeding sites

Number breeding sites

% within zone

Number breeding sites

% within zone

Number breeding sites

% within zone

River-fringes

16

1.6

104

17.8

35

8.0

Water Channel

23

2.3

9

1.5

12

2.7

Swamps

2

0.2

0

0

0

0

Tyre tracks

428

42.9

138

23.7

48

10.9

Residual Puddles

100

10.0

13

19.0

130

29.5

Artificial containers

12

1.2

13

2.2

23

5.2

Water reservoir

6

0.6

10

1.7

3

0.7

Rock pool

107

10.7

146

25.0

39

8.9

Others

303

30.4

52

8.9

150

34.1

Total

997

-

583

-

440

-

Habitat characteristics

      

   Permanent

206

20.7

373

64.0

130

29.5

   Temporal

488

48.9

158

27.1

160

36.4

   Semi-permanent

303

30.4

52

8.9

150

34.1

General surrounding

      

Household density (%)*

38.5 (1.8)

-

30.4 (0.2)

-

53.8 (0.3)

-

Mean Distance (meter) to the nearest inhabited house (range)

209.2 (2.5 - 6,000)

198.4 (4.1 - 896.5)

181.1 (5,000 - 19,000)

Mean Altitude (meter) (Range)

46.7 (0 - 342.7)

80.9 (2.4 - 393)

85.5 (1.3 - 372.7)

  1. * Considering only positive grid cells, values represent means (Standard Error of Mean)