From: A Bayesian Belief Network for Murray Valley encephalitis virus risk assessment in Western Australia
Type of variable | Description of node; name in bold italics; node states; prior distribution (%) |
---|---|
Binary (2 states) | 1. Is the location at high risk of dryland salinity (Dryland_Salinity_High_Risk) i.e. Description of node (Node name) |
 |  Yes (50.00) i.e. state 1 (probability) |
 |  No (50.00) i.e. state 2 (probability) |
 | 2. Vegetation cover over the previous 3 months (Past_3mo_NDVI) |
 |  No_vegetation (50.00) |
 |  Vegetation_present (50.00) |
 | 3. What is the likelihood of seasonal rainfall (Likelihood_of_Seasonal_Rain) |
 |  High (50.00) |
 |  Low (50.00) |
 | 4. What is the seasonal amount of surface runoff (Surface_Runoff_Seasonal) |
 |  Zero (50.00) |
 |  Above_zero (50.00) |
 | 5. Is it the breeding season for waterbirds (Breeding_Season) |
 |  Yes (45.80) |
 |  No (54.20) |
 | 6. What is the direction of migratory movement of waterbirds (Migratory_Species) |
 |  Arrival (50.00) |
 |  Departure (50.00) |
 | 7. Was there an MVEV epidemic last year (MVEV_Epidemic_Previous_Year) |
 |  Yes (50.00) |
 |  No (50.00) |
 | 8. Linear distance to nearest waterbody (Nearest_Wetland_or_River) |
 |  Below_15 km (50.00) |
 |  Equal_or_Above_15 km (50.00) |
Nominal/ordinal scale (3 states) | 1. Density of mosquito predators and waterbird prey (Predators_and_Prey) |
 |  High (43.40) |
 |  Medium (49.60) |
 |  Low (6.99) |
 | 2. In which climatic zone is the location (Climatic_Zone) |
 |  Tropical_WA (33.30) |
 |  Arid_WA (33.30) |
 |  Temperate_WA (33.30) |
 | 3. Endemicity of MVEV in WA, according to the region (WA_Region) |
 |  Kimberley (33.30) |
 |  Pilbara (33.30) |
 |  Rest_of_WA (33.30) |
 | 4. Prevalence of Ciconiiformes’s immunity to MVEV (Ciconiiformes_MVEV_Immunity) |
 |  High (25.00) |
 |  Medium (50.00) |
 |  Low (25.00) |
 | 5. Proportion of new immigrants in the human community (Popn_Mobility) |
 |  High (3.30) |
 |  Medium (33.30) |
 |  Low (33.30) |
 | 6. Proportion of under-15 year olds in the human community (Demographic_Structure) |
 |  Higher_Propn_Young (33.30) |
 |  Medium_Propn_Young (33.30) |
 |  Lower_Propn_Young (33.30) |
 | 7. Prevalence of immunity to MVEV in the human community (Immunity_Level_Popn) |
 |  High (30.30) |
 |  Medium (39.40) |
 |  Low (30.30) |
 | 8. Overall risk of MVEV at the location (MVEV_Risk_Level) |
 |  High (2.24) |
 |  Medium (5.54) |
 |  Low (92.20) |
Nominal/ordinal scale (4 states) | 1. Abundance of non-perennial lakes at the location (Non_Perennial_Lake_Grid) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 2. Abundance of perennial lakes at the location (Perennial_Lake_Grid) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 3. Density of non-perennial rivers at the location (Non_Perennial_River_Density) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 4. Density of perennial rivers at the location (Perennial_River_Density) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 5. Level of inundation of the perennial lakes at the location (Inundated_Lake_Grid1) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 6. Level of inundation of the non-perennial lakes at the location (Inundated_Lake_Grid2) |
 |  High (18.80) |
 |  Medium (22.90) |
 |  Low (27.10) |
 |  Zero (31.30) |
 | 7. Level of inundation of the perennial rivers at the location (Inundated_River_Density1) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 8. Level of inundation of the non-perennial rivers at the location (Inundated_River_Density2) |
 |  High (12.50) |
 |  Medium (21.90) |
 |  Low (28.10) |
 |  Zero (37.50) |
 | 9. Level of inundation of all lakes at the location (Inundated_Lake_Grid_Total) |
 |  High (48.20) |
 |  Medium (26.00) |
 |  Low (18.00) |
 |  Zero (7.81) |
 | 10. Level of inundation of all rivers at the location (Inundated_River_Density_Total) |
 |  High (43.40) |
 |  Medium (27.30) |
 |  Low (19.90) |
 |  Zero (9.38) |
 | 11. Level of inundation of all lakes and rivers at the location (Inundated_Lake_and_River) |
 |  High (79.30) |
 |  Medium (15.00) |
 |  Low (5.03) |
 |  Zero (0.73) |
 | 12. Abundance of saline lakes at the location (Salt_Lake_Grid) |
 |  High (25.00) |
 |  Medium (25.00) |
 |  Low (25.00) |
 |  Zero (25.00) |
 | 13. What is the season of the year (Season) |
 |  Spring (25.00) |
 |  Summer (25.00) |
 |  Autumn (25.00) |
 |  Winter (25.00) |
 | 14. What is the effect of air temperature on the Cx. annulirostris growth rate (Popn_Growth_Rate_Temp) |
 |  Ideal (11.10) |
 |  Positive_fast (22.20) |
 |  Positive_slow (22.20) |
 |  Negative (44.40) |
 | 15. What is the combined effect of air temperature and relative humidity on the Cx. annulirostris growth rate (Popn_Growth_Rate_Combined) |
 |  Ideal (14.80) |
 |  Positive (21.80) |
 |  Neutral (19.00) |
 |  Negative (44.40) |
Nominal/ordinal scale (5 states) | 1. How suitable is the location as a habitat for Cx. annulirostris (Mosquito_Habitat_Grid) |
 |  Very_Good (4.96) |
 |  Good (10.10) |
 |  Neutral (11.10) |
 |  Poor (5.86) |
 |  Very_Poor (67.90) |
 | 2. How suitable is the location as a habitat for Ciconiiformes (Bird_Habitat_Grid) |
 |  Very_Good (35.10) |
 |  Good (34.60) |
 |  Neutral (21.20) |
 |  Poor (7.12) |
 |  Very_Poor (2.01) |
 | 3. What is the population density of Cx. annulirostris at the location (Cx_annulirostris_Popn) |
 |  Very_High (1.02) |
 |  High (3.44) |
 |  Medium (5.91) |
 |  Low (5.63) |
 |  Very_Low (84.00) |
 | 4. What is the population density of Ciconiiformes at the location (Ciconiiformes_Popn) |
 |  Very_High (20.90) |
 |  High (33.40) |
 |  Medium (26.90) |
 |  Low (13.80) |
 |  Very_Low (4.88) |
 | 5. What is the combined effect of air temperature and relative humidity on female adult Cx. annulirostris’ longevity (F_Adult_Lifespan_Combined) |
 |  Very_long (11.50) |
 |  Long (16.80) |
 |  Average (18.80) |
 |  Short (13.10) |
 |  Very_short (6.54) |
 |  Unsuitable_conditions (33.30) [this state is only invoked if the state of F_Adult_Lifespan_Temp = Unsuitable_Temp. See Table S11.] |
 | 6. Minimum MVEV infection rate of Cx. annulirostris at the location (Vector_Min_Infection_Rate) |
 |  Very_High (0.33) |
 |  High (1.81) |
 |  Medium (4.54) |
 |  Low (6.56) |
 |  Very_Low (86.80) |
 | 7. Population density of MVEV-transmitting Cx. annulirostris at the location (Transmitting_Cx_annulirostris) |
 |  Very_High (0.14) |
 |  High (1.04) |
 |  Medium (3.29) |
 |  Low (6.17) |
 |  Very_Low (89.30) |
 | 8. Population density of Ciconiiformes susceptible to MVEV at the location (Susceptible_Ciconiiformes) |
 |  Very_High (11.50) |
 |  High (27.40) |
 |  Medium (29.60) |
 |  Low (21.10) |
 |  Very_Low (10.40) |
Categories based on numerical ranges | 1. Total rainfall over the previous 3Â months (Past_3mo_Rainfall) |
 |  Below_60 mm (33.30) |
 |  From_60 mm_to_100 mm (33.30) |
 |  Above_100 mm (33.30) |
 | 2. Surface temperature of waterbodies over the previous 3 months (Water_Temperature) |
 | From_20C_to_30C (33.30) |
 | Below_10C_or_Above_40C (33.30) |
 | All_other_Temp (33.30) |
 | 3. Average air temperature over the previous 3 months (Air_Temperature) |
 |  Below_18C (11.10) |
 |  From_18_to_21C (11.10) |
 |  From_21_to_24C (11.10) |
 |  From_24_to_27C (11.10) |
 |  From_27_to_30C (11.10) |
 |  From_30_to_33C (11.10) |
 |  From_33_to_36C (11.10) |
 |  From_36_to_39C (11.10) |
 |  Above_39C (11.10) |
 | 4. Average relative humidity at 3 pm over the previous 3 months (Relative_Humidity_3 pm) |
 |  From_0_to_30 (33.33) |
 |  From_30_to_60 (33.33) |
 |  From_60_to_100 (33.33) |
 | 5. MVEV’s extrinsic incubation period in Cx. annulirostris (Extrinsic_Incubation_Period) |
 |  From_0_to_5_days (11.10) |
 |  From_5_to_10_days (22.20) |
 |  From_10_to_15_days (22.20) |
 |  From_15_to_20_days (11.10) |
 |  Unsuitable_Temp (33.30) |
 | 6. Effect of average air temperature on female adult Cx. annulirostris’ lifespan (F_Adult_Lifespan_Temp) |
 |  From_25_to_30_days (11.10) |
 |  From_20_to_25_days (25.90) |
 |  From_15_to_20_days (7.41) |
 |  From_10_to_15_days (7.41) |
 |  From_5_to_10_days (7.41) |
 |  From_0_to_5_days (7.41) |
 |  Unsuitable_Temp (33.30) |