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. 2013 Feb 18;12:65. doi: 10.1186/1475-2875-12-65

Table 1.

VECTRI default constants

Symbol Value Units Description Reference
E + I
250
mm day-1
Total evaporation and infiltration losses
based on [85]
KL,Jepson
90.9
K day
Larvae growth degree days
[47]
KL,Bayon
200
K day
Larvae growth degree days
[48]
Kgono
37.1
K day
Gonotrophic cycle degree days
[46]
Ksporo
111
K day
Sporogonic cycle degree days
[46]
Kflush,
0.4
 
Larvae flushing factor for infinite rain rate
based on [27]
Kw
1
m-1
Pond growth rate factor
set by tuning or local knowledge of basin
Kmar1,0
0.45
 
Constant of Martens I vector survival scheme
[61]
Kmar1,1
0.054
°C-1
Constant of Martens I vector survival scheme
[61]
Kmar1,2
-0.0016
°C-2
Constant of Martens I vector survival scheme
[61]
Kmar2,0
-4.4
 
Constant of Martens II vector survival scheme
[62]
Kmar2,1
1.31
°C-1
Constant of Martens II vector survival scheme
[62]
Kmar2,2
-0.03
°C-2
Constant of Martens II vector survival scheme
[62]
ML,max
300
mg m-2
Carrying capacity of water bodies
[38]
Negg
120
 
Number of eggs per batch that result in female vectors
[30]
PL,surv0
0.825
 
Larvae base daily survival rate
[29]
Phv
0.2
 
Probability of transmission from infective host to vector during single bloodmeal
[29]
Pvh
0.3
 
Probability of transmission from infective vector to host during single bloodmeal
[29]
Twat
2
K
Pond water offset from air temperature
[92]
TL,min
16
°C
Minimum Twat for larvae development
based on [48]
TL,max
38
°C
Maximum Twat for larvae development
based on [48]
Tgono,min
7.7
°C
Minimum T2m for egg development
[46]
Tsporo,min
16
°C
Minimum T2m for sporogonic cycle
[29]
τflush
50
mm day-1
Larvae-flushing rainfall e-folding factor
based on [27]
τzoo
50
km-2
Population density zoophilic factor
set by tuning
wmax 0.04   Maximum temporary pond fraction in cell set by tuning or local knowledge of basin

List of constants in VECTRI.