### Metadata for DDRP v3 plants ###

Run date and time: 08/07/2026 04:55

### Model Species Parameters ###
 Species Abbrev: BRTE 
 Full name: Cheatgrass 
 Pest of: rangelands 
 Overwintering stage: OL 
 Degree-day calculation method: triangle
 
 Developmental threshold temperatures 
 Seed lower devel threshold: 0 
 Seed upper devel threshold: 35 
 Seedling lower devel threshold: 0 
 Seedling upper devel threshold: 35 
 Flower lower devel threshold: 0 
 Flower upper devel threshold: 35 
 Mature lower devel threshold: 0 
 Mature upper devel threshold: 35

 Stage durations in degree-days (DDs) 
 Seed DDs: 50 
 Seedling DDs 440 
 Flower DDs: 175 
 Mature DDs: 315
 
 Pest Event Map parameters
 Number of generations to make Pest Event Maps (PEMs): 1
 Seed event DDs and label: 50 (seed dormancy)
 Seedling event DDs and label: 220 (flowering)
 Flower event DDs and label: 175 (seed set)
 Mature event DDs and label: 315 (senescence)
 
 Climate stress parameters 
 Lower cold stress threshold: -32 
 Upper heat stress threshold: 43 
 Max cold units (lower bound): 55 
 Max cold units (upper bound): 85 
 Max heat stress units (lower bound): 20 
 Max heat stress units (upper bound): 40
 Dry stress threshold: 0.02 
 Max dry stress units (lower bound): 15 
 Max dry stress units (upper bound): 25 
 Wet stress threshold: 0.9 
 Max wet stress units (lower bound): 30 
 Max wet stress units (upper bound): 80

### Model Input Parameters ###
 Start Year: 2026 
 Weather data for forecasts: PRISM 
 Start day-of-year: 1 
 End day-of-year: 365 
 Region: CONUS 
 Climate stress exclusion maps: 1 
 Soil moisture applied: 1 
 Pest Event Maps: 1 
 Seed Event Maps: 1 
 Seedling Event Maps: 1 
 Flower Event Maps: 1 
 Mature Event Maps: 1 
 Output_Dir: BRTE_cohorts 
 Output option: 1 
 No. of cohorts: 7 
 Mean of end of OW stage (DDs): 650 
 Low bound of end of OW stage (DDs), xdist: 375 
 High bound of end of OW stage (DDs), ydist: 950 
 Variance in end of OW stage (DDs): 10000 
 Shape of distribution of end of OW stage (DDs): normal

### Durations (in degree-days) of stages in each of 7 cohorts ###
"cohort" "OL" "F" "M" "S" "L" "relpopsize"
1 444 175 315 50 440 0.036
2 514 175 315 50 440 0.114
3 584 175 315 50 440 0.225
4 654 175 315 50 440 0.273
5 724 175 315 50 440 0.211
6 794 175 315 50 440 0.101
7 864 175 315 50 440 0.03