Table 2 Hypotheses of spatial heterogeneities in abundance and distribution of hosts and vectors

Homogeneous in hosts and vectors (4 Scenarios)

H1

500 S/C 1 I in central cell Total number of hosts = 840 501

100 S/C h1=10⁶, or h2=10⁷ or h3=10⁸, or h4= 10⁹

5

Heterogeneous in hosts Homogeneous in vectors (16 scenarios)

H2

Total number of hosts S≈ 840 501 Four densities of occupied cells (Figure 2): 90% OC: 554 S/OC75% OC: 666 S/OC50% OC: 1000 S/OC25% OC: 2025 S/OC 1 I in central cell

H1

6 and 7

Heterogeneous in vectors Homogeneous in hosts (2 scenarios)

H3

H1

100 S/C Grid divided into four sub-areas of different maximum carrying capacities (h1, h2, h3 and h4) (Figure 3a)

8

H4

100 S/C 25% C: h1, 25% C: h2, 25% C: h3, 25% C: h4 (Figure 3b)

9 and 10

Heterogeneous in hosts and vectors (6 scenarios)

H5

Crossing hypotheses: H2-H4

10 and 11

H6

Real area (Figure 4b)

Real area (Figure 4a) Multiplication of the number of trapped vectors by 100 or 1000

12