Skip to main content
. 2021 Apr 16;16(4):e0250365. doi: 10.1371/journal.pone.0250365

Table 1. Engaged methods in BBN construction and parameterisation.

Parameters Node Type of Node Method to fill CPT Tables Data Source (s) Discretization methodology States
Physic nodes Season Parent Data BMKG data (2000–2010) Classification in BMKG Dry; Wet
Rainfall intensity Child Data BMKG data (2000–2010) (n = 3,650) Classification in BMKG No rain:0–1mm; Light rain:1–1mm; Moderate rain:5–10mm; Heavy rain:>10mm
Cloudy Child Data BMKG data (2000–2010) Classification in BMKG Yes, No
Light intensity Child Data Based on solar radiation data from BMKG (2000–2010) Expert knowledge Low; medium; high
Windspeed Child Data BMKG data (2000–2010) (n = 3,650) Simplified Beaufort wind speed scale Calm:0–19 km/hour; Moderate:20–29 km/hour; Strong: 30–50 km/hour; Gale–Storm:>50 km/hour
Mixing Child Expert knowledge Based on criteria of environmental condition to trigger upwelling from Ministry of Marine and Fisheries verified with data from Fisheries Agency and RCL-IIOS Expert knowledge recalibrated with sensitivity to parameter (to MFK) Yes, No
Wind Direction Parent Data RCL-IIOS data (2018) (n = 10,926) Beaufort scale North; North East; East; South East; Other directions
Water transparency Child Data RCL-IIOS and [33] [69] Low: ≤ 2 m; High:> 2 m
Anoxic layer Child Expert knowledge Based on data RCL-IIOS’s dissolved oxygen data (2001–2014) Expert knowledge Wide; Narrow
Epilimnion zone after mixing Child Expert knowledge [70] Not sufficient DO:0–1.5 mg/l; Sufficient DO:>1.5 mg/l
SSI Child Expert knowledge Based on trend of calculated SSI from high frequency measurement data by RCL-IIOS (2014–2017) (n = 540) [68] High; Medium; Low
Water current velocity Child Data RCL-IIOS combined with data from BMKG Fast; medium; Slow
Anoxic hypolimnion Child Expert knowledge Based on [10, 71] [10] Yes, No
Chemical and biological nodes BOD epilimnion Child Expert knowledge Based on patchy data from [72, 73]] [69] High: ≥3 mg/l; Low: <3 mg/l
PO4 Concentration Epilimnion Child Expert knowledge Based on patchy data of Total Phosphate data from RCL-IIOS (2001–2014) [69] High: >0.2 mg/l; Low: ≤ 0.2 mg/l
Chlo-a epilimnion Child Data RCL-IIOS (2001–2014), [10] [74] High: ≥3 mg/l; Low: 0–3 mg/l
Respiration rate epilimnion Child Expert knowledge Based on one-time data measurement from RCL-IIOS Expert knowledge recalibrated with sensitivity to parameter (to DO epilimnion) High; Low
Respiration rate metalimnion Child Expert knowledge Based on one-time data measurement from RCL-IIOS Expert knowledge High; Low
BOD metalimnion Child Expert knowledge Based on [72, 73, 75]] [69] High: ≥3 mg/l; Low: <3 mg/l
PO4 Released from hypolimnion Child Expert knowledge Based on [10, 76] [10] High; Low
Reactive Fe (Fe2+) Concentration Parent Expert knowledge Based on [10] [10] Low
Chlo-a metalimnion Child Expert knowledge Based on [10] [74] High: ≥3 mg/l; Low: 0–3 mg/l
H2S Child Data [77] High:>0.002 mg/l; Low: ≤ 0.002 mg/l
GPP epilimnion Child Expert knowledge Based on one-time data measurement from RCL-IIOS Expert knowledge recalibrated with sensitivity to parameter (to Anoxic layer) High; Low
GPP metalimnion Child Expert knowledge Based on one-time data measurement from RCL-IIOS Expert knowledge recalibrated with sensitivity to parameter (to Anoxic layer) High; Low
DO epilimnion Child Data RCL-IIOS (2005–2018) [70] High:>3.5–6 mg/l; Low ≤3.5mg/l
DO metalimnion Child Data RCL-IIOS (2005–2018) [70] High:> 3.5–6 mg/l; Low ≤3.5mg/l
Human dimension (input nodes) Stocking density Child Expert knowledge Interview with IWCC farmers and staffs of Fisheries Agency [73] Low: ≤ 200 seeds/m2; Medium: 200–500 seeds/ m2; high: 500–800 seeds/ m2
Number of active cages Child Expert knowledge Interview with staffs of Fisheries Agency and data from Fisheries Agency Expert knowledge Zero; Low: <2,000 units; Medium: <2,000–6,000 units; High: ≥6,000 units
Feeding management Parent Expert knowledge Interview with IWCC farmers and [73] [73] None; Once-Floating; Twice-Floating; Once-Emerge; Twice-Emerge
Organic sediment run off Child Expert knowledge Validated with [72, 78] [72] Low:0–60 tonnes/ha/year; Medium:61–180 tonnes/ha/year; High: >180 tonnes/ha/year
Feed Child Expert knowledge Based on [73] evaluated with interview results with IWCC farmers Expert knowledge High: ≥2500 kg/unit/farming cycle, Medium:1,500–2,500 kg/unit/farming cycle, Low:500–1,500 kg/unit/farming cycle
Accumulated fish feed Child Expert knowledge Based on [75] Expert knowledge High; Low
Output nodes Gobiopterus disappearance Child - - -
Mass fish kills Child - - -