{UTF-8} Area= 800000 ~ acre ~ | Deer= INTEG ( Deer net increase-Deer predation rate, 4000) ~ deer ~ | Deer density= Deer/Area ~ deer/acre ~ | Deer fractional increase= WITH LOOKUP ( Food per deer ratio, ([(0,-0.6)-(2,0.2)],(0,-0.5),(0.4,-0.15) ,(0.8,0),(1.2,0.1),(1.6,0.16),(2,0.2))) ~ 1/year ~ | Deer kills per predator= WITH LOOKUP ( Deer density, ([(0,0)-(0.025,20)],(0,0),(0.005,5), (0.01,10),(0.015,14),(0.02,17.5),(0.025,20))) ~ deer/predator/year ~ | Deer net increase= Deer*Deer fractional increase ~ deer/year ~ | Deer predation rate= Predators*Deer kills per predator ~ deer/year ~ | Food= INTEG ( +Food regeneration rate-Food consumption rate, Area*590) ~ calories ~ | Food consumed p deer= WITH LOOKUP ( Food per deer ratio, ([(0,0)-(1.2,2000)],(0,0.5),(0.1,450),(0.2,810),(0.3,1140),(0.4,1340),(0.5,1540),(0.6\ ,1670),(0.7,1790) ,(0.8,1880),(0.9,1960),(1,2000),(1.1,2000),(1.2,2000))) ~ calories/deer/year ~ | Food consumption rate= Deer*Food consumed p deer ~ calories/year ~ | Food max= 4.8e+008 ~ calories ~ | Food per deer normal= 1000 ~ calories/deer ~ | Food per deer ratio= (Food/Deer)/(Food per deer normal) ~ dmnl ~ | Food regeneration rate= (Food max-Food)/Food reneration time ~ calories/year ~ | Food reneration time= WITH LOOKUP ( Food/Food max, ([(0,0)-(1,40)],(0,35),(0.25,15),(0.5,5) ,(0.75,1.5),(1,1))) ~ years ~ | Fraction harvested p yr= WITH LOOKUP ( Time, ([(1900,0)-(1950,0.4)],(1900,0),(1905,0) ,(1910,0.2),(1915,0.2),(1920,0.2),(1925,0.2),(1930,0.2),(1935,0.2) ,(1940,0.2),(1945,0.2),(1950,0.2))) ~ 1/year ~ | Predator fractional increase= WITH LOOKUP ( Deer kills per predator, ([(0,-0.4)-(20,0.2)],(0,-0.2) ,(5,0),(10,0.08),(15,0.14),(20,0.18))) ~ 1/year ~ | Predator harvest= Predators*Fraction harvested p yr ~ predators/year ~ | Predator net increase= Predators*Predator fractional increase ~ predators/year ~ | Predators= INTEG ( +Predator net increase-Predator harvest, 160) ~ predators ~ | ******************************************************** .Control ********************************************************~ Simulation Control Paramaters | FINAL TIME = 1950 ~ year ~ The final time for the simulation. | INITIAL TIME = 1900 ~ year ~ The initial time for the simulation. | SAVEPER = TIME STEP ~ year ~ The frequency with which output is stored. | TIME STEP = 0.25 ~ year ~ The time step for the simulation. | \\\---/// Sketch information - do not modify anything except names V300 Do not put anything below this section - it will be ignored *Sector diagram $192-192-192,0,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0 10,1,Deer,282,-34,31,18,3,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,2,48,160,-37,10,8,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 11,3,48,207,-33,6,8,34,3,0,1,1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,4,Deer net increase,207,-14,55,11,104,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,5,48,459,-34,10,8,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 11,6,48,375,-34,6,8,34,3,0,1,1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,7,Deer predation rate,375,-7,48,19,104,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,8,Deer fractional increase,142,30,47,19,8,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,9,Food per deer ratio,215,94,47,19,8,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,10,Food per deer normal,108,144,47,19,8,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,11,Deer density,341,86,40,11,72,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,12,Deer kills per predator,440,44,43,19,8,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,13,Predator fractional increase,900,154,59,19,8,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,14,Food,366,517,40,20,3,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,15,48,196,517,10,8,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 11,16,48,265,517,6,8,34,3,0,1,1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,17,Food consumption rate,265,544,55,19,40,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,18,48,530,517,10,8,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 11,19,48,464,513,6,8,34,3,0,1,1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,20,Food regeneration rate,464,532,71,11,32,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,21,Food consumed p deer,244,196,52,19,8,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,22,Food reneration time,400,592,65,11,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,23,Food max,550,603,33,11,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,24,Predators,1006,67,40,20,3,3,0,1,0,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,25,48,1003,-31,10,8,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 11,26,48,1004,13,8,6,33,3,0,1,4,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,27,Predator harvest,1064,13,52,11,32,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,28,Fraction harvested p yr,1041,-61,72,11,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,29,48,1010,198,10,8,0,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 11,30,48,1012,137,8,6,33,3,0,1,4,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,31,Predator net increase,1086,137,66,11,32,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 10,32,Time,851,-47,26,11,0,2,0,3,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128 10,33,Area,350,135,17,11,72,3,0,1,-1,0,0,0,0-0-0,0-0-0,|12||0-0-0 12,34,0,326,-199,43,11,0,4,0,51,-1,0,0,0,0-0-0,0-0-0,Times New Roman|18|B|0-0-0 Deer Sector 12,35,0,966,-190,55,11,0,4,0,51,-1,0,0,0,0-0-0,0-0-0,Times New Roman|18|B|0-0-0 Predator Sector 10,36,Deer kills per predator,754,106,80,11,0,2,0,3,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128 10,37,Predators,534,-89,41,11,0,2,0,3,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128 10,38,Food,358,192,28,11,0,2,0,3,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128 10,39,Deer,261,412,26,11,0,2,0,3,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128 10,40,Food consumed p deer,153,450,82,11,0,2,0,3,-1,0,0,0,0-0-0,0-0-0,|12||128-128-128 12,41,0,316,342,42,11,0,4,0,51,-1,0,0,0,0-0-0,0-0-0,Times New Roman|18|B|0-0-0 Food Sector 12,42,0,1000,324,72,11,0,4,0,51,-1,0,0,0,0-0-0,0-0-0,Times New Roman|18|B|0-0-0 Deer Harvest Sector 1,43,3,1,4,0,0,22,0,0,0,-1--1--1,,1|(232,-33)| 1,44,3,2,100,0,0,22,0,0,0,-1--1--1,,1|(185,-33)| 1,45,6,5,4,0,0,22,0,0,0,-1--1--1,,1|(415,-34)| 1,46,6,1,100,0,0,22,0,0,0,-1--1--1,,1|(341,-34)| 1,47,1,9,1,0,0,0,0,0,0,-1--1--1,,1|(268,32)| 1,48,9,8,1,0,0,0,0,0,0,-1--1--1,,1|(163,74)| 1,49,8,4,1,0,0,0,0,0,0,-1--1--1,,1|(161,-6)| 1,50,10,9,0,0,0,0,0,0,0,-1--1--1,,1|(154,121)| 1,51,1,3,2,0,0,0,0,0,0,-1--1--1,,1|(231,-68)| 1,52,1,11,1,0,0,0,0,0,0,-1--1--1,,1|(298,37)| 1,53,33,11,0,0,0,0,0,0,0,-1--1--1,,1|(346,117)| 1,54,16,15,4,0,0,22,0,0,0,-1--1--1,,1|(232,517)| 1,55,16,14,100,0,0,22,0,0,0,-1--1--1,,1|(298,517)| 1,56,19,14,4,0,0,22,0,0,0,-1--1--1,,1|(432,513)| 1,57,19,18,100,0,0,22,0,0,0,-1--1--1,,1|(495,513)| 1,58,9,21,0,0,0,0,0,0,0,-1--1--1,,1|(227,138)| 1,59,14,19,2,0,0,0,0,0,0,-1--1--1,,1|(428,485)| 1,60,23,22,0,0,0,0,0,0,0,-1--1--1,,1|(497,599)| 1,61,14,22,1,0,0,0,0,0,0,-1--1--1,,1|(365,567)| 1,62,22,20,1,0,0,0,0,0,0,-1--1--1,,1|(454,575)| 1,63,23,20,0,0,0,0,0,0,0,-1--1--1,,1|(512,572)| 1,64,26,25,4,0,0,22,0,0,0,-1--1--1,,1|(1004,-8)| 1,65,26,24,100,0,0,22,0,0,0,-1--1--1,,1|(1004,33)| 1,66,28,27,1,0,0,0,0,0,0,-1--1--1,,1|(1060,-31)| 1,67,24,27,1,0,0,0,0,0,0,-1--1--1,,1|(1058,41)| 1,68,30,24,4,0,0,22,0,0,0,-1--1--1,,1|(1012,109)| 1,69,30,29,100,0,0,22,0,0,0,-1--1--1,,1|(1012,166)| 1,70,24,31,0,0,0,0,0,0,0,-1--1--1,,1|(1045,101)| 1,71,13,30,0,0,0,0,0,0,0,-1--1--1,,1|(974,143)| 1,72,12,7,1,0,0,0,0,0,0,-1--1--1,,1|(411,2)| 1,73,11,12,1,0,0,0,0,0,0,-1--1--1,,1|(396,74)| 1,74,32,28,0,0,0,0,0,0,0,-1--1--1,,1|(915,-50)| 1,75,36,13,0,0,0,0,0,0,0,-1--1--1,,1|(807,123)| 1,76,37,6,0,0,0,0,0,0,0,-1--1--1,,1|(448,-58)| 1,77,38,9,0,0,0,0,0,0,0,-1--1--1,,1|(297,151)| 1,78,40,16,0,0,0,0,0,0,0,-1--1--1,,1|(208,483)| 1,79,39,16,0,0,0,0,0,0,0,-1--1--1,,1|(262,460)| 1,80,33,14,0,0,0,0,0,0,1,-1--1--1,,1|(357,314)| 12,81,0,415,559,12,11,8,4,0,0,-1,0,0,0 (R) \\\---/// Sketch information - do not modify anything except names V300 Do not put anything below this section - it will be ignored *Overview $192-192-192,0,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,100,0 10,1,Deer,337,144,40,20,3,3,0,0,-1,0,0,0 1,2,1,63,1,0,0,0,0,0,0,-1--1--1,,1|(281,108)| 10,3,Deer fractional increase,167,217,47,19,8,3,0,0,-1,0,0,0 1,4,3,64,1,0,0,0,0,0,0,-1--1--1,,1|(195,183)| 10,5,Food per deer ratio,254,276,47,19,8,3,0,0,-1,0,0,0 1,6,5,3,1,0,0,0,0,0,0,-1--1--1,,1|(199,257)| 1,7,1,5,1,0,0,0,0,0,0,-1--1--1,,1|(306,215)| 10,8,Food,283,419,40,20,3,3,0,0,-1,0,0,0 1,9,8,5,0,0,0,0,0,0,0,-1--1--1,,1|(269,353)| 10,10,Food per deer normal,168,334,47,19,8,3,0,0,-1,0,0,0 1,11,10,5,0,0,0,0,0,0,0,-1--1--1,,1|(204,308)| 1,12,1,59,1,0,0,0,0,0,0,-1--1--1,,1|(397,292)| 10,13,Food consumed p deer,341,343,52,19,8,131,0,0,-1,0,0,0 1,14,13,59,0,0,0,0,0,0,0,-1--1--1,,1|(363,381)| 1,15,5,13,0,0,0,0,0,0,0,-1--1--1,,1|(291,305)| 10,16,Deer kills per predator,615,154,43,19,8,3,0,0,-1,0,0,0 1,17,16,66,1,0,0,0,0,0,0,-1--1--1,,1|(533,171)| 10,18,Predators,513,348,40,20,3,3,0,0,-1,0,0,0 1,19,18,66,1,0,0,0,0,0,0,-1--1--1,,1|(444,280)| 10,20,Predator fractional increase,613,223,61,17,8,131,0,0,-1,0,0,0 1,21,20,68,0,0,0,0,0,0,0,-1--1--1,,1|(592,247)| 1,22,18,68,1,0,0,0,0,0,0,-1--1--1,,1|(579,327)| 1,23,16,20,1,0,0,0,0,0,0,-1--1--1,,1|(612,181)| 10,24,Fraction harvested p yr,663,361,46,19,8,3,0,0,-1,0,0,0 1,25,24,70,1,0,0,0,0,0,0,-1--1--1,,1|(622,387)| 1,26,18,70,1,0,0,0,0,0,0,-1--1--1,,1|(567,383)| 10,27,Time,693,282,26,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128 1,28,27,24,0,0,0,0,0,0,0,-1--1--1,,1|(682,310)| 10,29,Deer density,518,91,25,18,8,131,0,0,-1,0,0,0 1,30,29,16,1,0,0,0,0,0,0,-1--1--1,,1|(564,106)| 10,31,Area,393,89,17,11,8,3,0,0,-1,0,0,0 1,32,31,29,1,0,0,0,0,0,0,-1--1--1,,1|(442,77)| 1,33,1,29,1,0,0,0,0,0,0,-1--1--1,,1|(416,108)| 1,34,8,61,1,0,0,0,0,0,0,-1--1--1,,1|(229,382)| 1,35,39,62,0,0,0,0,0,0,0,-1--1--1,,1|(167,491)| 10,36,Food reneration time,289,503,52,19,8,3,0,0,-1,0,0,0 1,37,36,62,1,0,0,0,0,0,0,-1--1--1,,1|(217,480)| 1,38,8,36,1,0,0,0,0,0,0,-1--1--1,,1|(295,454)| 10,39,Food max,154,520,33,11,8,3,0,0,-1,0,0,0 1,40,39,36,0,0,0,0,0,0,0,-1--1--1,,1|(205,513)| 12,41,48,193,142,10,8,0,3,0,0,-1,0,0,0 1,42,63,1,4,0,0,22,0,0,0,-1--1--1,,1|(276,142)| 1,43,63,41,100,0,0,22,0,0,0,-1--1--1,,1|(223,142)| 12,44,48,481,144,10,8,0,3,0,0,-1,0,0,0 1,45,65,44,4,0,0,22,0,0,0,-1--1--1,,1|(450,144)| 1,46,65,1,100,0,0,22,0,0,0,-1--1--1,,1|(397,144)| 12,47,48,512,242,10,8,0,3,0,0,-1,0,0,0 1,48,67,18,4,0,0,22,0,0,0,-1--1--1,,1|(512,309)| 1,49,67,47,100,0,0,22,0,0,0,-1--1--1,,1|(512,264)| 12,50,48,512,463,10,8,0,3,0,0,-1,0,0,0 1,51,69,50,4,0,0,22,0,0,0,-1--1--1,,1|(516,437)| 1,52,69,18,100,0,0,22,0,0,0,-1--1--1,,1|(516,387)| 12,53,48,143,417,10,8,0,3,0,0,-1,0,0,0 1,54,61,8,4,0,0,22,0,0,0,-1--1--1,,1|(220,415)| 1,55,61,53,100,0,0,22,0,0,0,-1--1--1,,1|(169,415)| 12,56,48,447,420,10,8,0,3,0,0,-1,0,0,0 1,57,59,56,4,0,0,22,0,0,0,-1--1--1,,1|(414,419)| 1,58,59,8,100,0,0,22,0,0,0,-1--1--1,,1|(351,419)| 11,59,48,385,419,6,8,34,3,0,0,1,0,0,0 10,60,Food consumption rate,385,446,55,19,40,3,0,0,-1,0,0,0 11,61,396,192,415,6,8,34,3,0,0,1,0,0,0 10,62,Food regeneration rate,192,442,54,19,40,3,0,0,-1,0,0,0 11,63,380,250,142,6,8,34,3,0,0,1,0,0,0 10,64,Deer net increase,250,168,37,18,40,131,0,0,-1,0,0,0 11,65,188,424,144,6,8,34,3,0,0,1,0,0,0 10,66,Deer predation rate,424,177,36,25,40,131,0,0,-1,0,0,0 11,67,204,512,285,8,6,33,3,0,0,4,0,0,0 10,68,Predator net increase,560,285,40,19,40,3,0,0,-1,0,0,0 11,69,588,516,413,8,6,33,3,0,0,4,0,0,0 10,70,Predator harvest,557,413,33,16,40,131,0,0,-1,0,0,0 1,71,31,8,0,0,0,0,0,64,1,-1--1--1,,1|(341,242)| ///---\\\ :GRAPH KAIBAB_POPULATIONS :TITLE Kaibab Populations :X-DIV 4 :SCALE :VAR Deer :SCALE :VAR Predators :SCALE :VAR Food :GRAPH KAIBAB_RATIOS :TITLE Kaibab ratios :X-DIV 4 :SCALE :VAR Deer density :Y-MIN 0 :Y-MAX 0.12 :SCALE :VAR Deer kills per predator :SCALE :VAR Food per deer ratio :L<%^E!@ 1:kaibab base.vdf 1:reintro pred.vdf 9:kaibab base 22:predator,predators 23:0 15:0,0,0,0,0,0 19:100,0 27:2, 34:0, 4:Time 5:Predators 24:1900 25:1950 26:1950