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Table 1 Description of the 1994-97 entomological data and the environmental variables evaluated from 1996 and 2007 SPOT images.

From: Spatial heterogeneity and temporal evolution of malaria transmission risk in Dakar, Senegal, according to remotely sensed environmental data

Catching point

N° of

catching

point

District

Geographic coordinates

(Decimal degrees)

An.

arabiensis

aggressiveness

(number

of bites

/person/night,,

averaged

for 12

months)

Year*

Built-up

area in

300-m

radius

buffer

(Ha)**

Distance

to

vegetation

(NDVI >

0.1)

(m)

Risk

map

class

from

the

final

model

Usine Niari Talli

1

Centre

14.7105; -17.4519

0

    
     

1996

28.1

447

Low

     

2007

28.2

449

Low

Point E (Zone B)

2

Centre

14.6976; -17.4558

0

    
     

1996

26.0

149

Medium

     

2007

26.8

189

Low

SICAP Liberte I

3

Centre

14.7083; -17.4605

0

    
     

1996

25.3

286

Medium

     

2007

28.0

409

Low

HLM III

4

Centre

14.7107; -17.4447

0

    
     

1996

26.4

404

Low

     

2007

27.5

449

Low

Derklé- Castor

5

Centre

14.7238; -17.4497

0

    
     

1996

24.3

351

Medium

     

2007

26.5

438

Low

SICAP Liberte VI

6

Centre

14.7244; -17.4630

0

    
     

1996

16.2

55

High

     

2007

26.0

181

Low

Hann Village

7

Centre

14.7177; -17.4365

0.15

    
     

1996

21.0

167

Medium

     

2007

21.5

162

Medium

Cite des eaux

8

Centre

14.7246; -17.4431

0.19

    
     

1996

20.3

0

Medium

     

2007

22.0

98

Medium

Bop - Cerf Volant

9

Centre

14.6992; -17.4498

0.38

    
     

1996

18.0

117

High

     

2007

18.5

25

High

Hann - Pêcheurs B

10

Centre

14.7286; -17.4234

0.46

    
     

1996

14.5

343

Low

     

2007

14.7

316

Low

Hann - Pêcheurs A

11

Centre

14.7192; -17.4320

0.85

    
     

1996

19.1

55

Medium

     

2007

21.0

65

Medium

Zone des hydrocarbures

12

Centre

14.7144; -17.4385

1.5

    
     

1996

15.4

0

High

     

2007

18.8

50

High

Mboth (Plateau)

13

South

14.6701; -17.4357

0

    
     

1996

28.3

338

Low

     

2007

28.0

317

Low

Gueule - Tapée

14

South

14.6802; -17.4572

0

    
     

1996

28.2

487

Low

     

2007

27.6

398

Low

Diecko Nord (Médina)

15

South

14.6752; 17,43237

0

    
     

1996

28.3

424

Low

     

2007

28.2

392

Low

Niayes Thioker

16

South

14.6716; -17.4413

0.04

    
     

1996

28.2

351

Low

     

2007

27.6

251

Low

Fann - Hock

17

South

14.6817; -17.4614

0.04

    
     

1996

21.0

135

Medium

     

2007

21.2

125

Medium

Cite du port autonome (Plateau)

18

South

14.6752; -17.4323

0.04

    
     

1996

23.4

151

Low

     

2007

24.1

295

Low

Camp Dial Diop

19

South

14.6587; -17.4371

0.18

    
     

1996

13.2

28

High

     

2007

18.5

90

High

Caserne des sapeurs pompiers (av Malick Sy)

20

South

14.6816; -17.4381

0.21

    
     

1996

27.6

476

Low

     

2007

27.1

343

Low

HLM Fass

21

South

14.6952; -17.4507

0.21

    
     

1996

23.4

143

Medium

     

2007

19.0

147

High

Caserne gendarmerie de Potou

22

South

14.6947; -17.4346

0.25

    
     

1996

26.8

120

Low

     

2007

26.8

491

Low

Fann hôpital

23

South

14.6900; -17.4663

0.79

    
     

1996

7.2

7

High

     

2007

12.3

0

High

  1. *1996: data extracted from the 1996 SPOT-4 image (20 m) and 2007: data extracted from the 2007 SPOT-5 image (2.5 m degraded to 20 m)
  2. ** Total surface in a 300-m radius buffer is 28.3 Ha
  3. The aggressivenesses are given for 23 adult Anopheles catching points in the south and centre districts of Dakar. All values are rounded.
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Malaria Journal

ISSN: 1475-2875

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