indicated adults return to Columbia= DELAY FIXED (
	adult maturation, 12, 0)
	~	
	~	another 12 months before they are ready to return to the Columbia
	|

indicated adult maturation= DELAY FIXED (
	smolts enter ocean, 12, 0)
	~	
	~	the maturation is 12 months after then enter the ocean
	|

inflow=
	emergent fry
	~	
	~		|

potential hatching in 4th month=
	170*PULSE(4, 1)
	~	
	~		|

potential smolts in 4th month=
	100*PULSE(4, 1)
	~	
	~		|

adult harvest=
	adults return to Columbia*harvest fraction
	~	
	~		|

adult maturation=
	(indicated adult maturation+Potential maturation in 5th month)*(1-loss fraction in 1st year\
		)
	~	
	~		|

adult migration loss=
	indicated adults arrive at spawning grounds*adult migration loss fraction
	~	
	~		|

Juveniles in the Tucannon= INTEG (
	+emergent fry-smolts leave Tucannon-smolt loss,
		100)
	~	
	~		|

adults arrive at spawning grounds=
	indicated adults arrive at spawning grounds*(1-adult migration loss fraction)
	~	
	~		|

adults escape harvest=
	adults return to Columbia-adult harvest
	~	
	~		|

Adults in Migration= INTEG (
	adults escape harvest-adults arrive at spawning grounds-adult migration loss,
		0)
	~	
	~		|

Adults Ready to Spawn= INTEG (
	adults arrive at spawning grounds-adults spawning,
		0)
	~	
	~		|

adults return to Columbia=
	(indicated adults return to Columbia+Potential return in 5th month)*(1-loss fraction in 2nd year\
		)
	~	
	~		|

adults spawning=
	DELAY FIXED(adults arrive at spawning grounds, month before ready to spawn, 0)
	~	
	~		|

indicated emergent fry=
	DELAY FIXED(egg deposition, months for eggs to hatch, 0)
	~	
	~		|

Eggs in Redds= INTEG (
	egg deposition-Egg loss-emergent fry,
		170)
	~	
	~		|

smolt loss=
	(indicated smolts leave Tucannon+potential smolts in 4th month)*juvenile loss fraction depends on density
	~	
	~		|

Egg loss=
	(indicated emergent fry+potential hatching in 4th month)*egg loss fraction
	~	
	~		|

loss in 1st year=
	(indicated adult maturation+Potential maturation in 5th month)*loss fraction in 1st year
	~	
	~		|

Adults in 2nd Yr in Ocean= INTEG (
	adult maturation-adults return to Columbia-loss in 2nd year,
		1.25)
	~	
	~		|

smolts enter ocean=
	indicated smolts enter ocean*(1-smolt migration loss fraction)
	~	
	~		|

emergent fry=
	(indicated emergent fry+potential hatching in 4th month)*(1-egg loss fraction)
	~	
	~		|

smolts leave Tucannon=
	(indicated smolts leave Tucannon+potential smolts in 4th month)*(1-juvenile loss fraction depends on density\
		)
	~	
	~		|

Potential return in 5th month=
	1.25*PULSE(5, 1)
	~	
	~		|

loss in 2nd year=
	(indicated adults return to Columbia+Potential return in 5th month)*loss fraction in 2nd year
	~	
	~		|

indicated smolts enter ocean=
	DELAY FIXED(smolts leave Tucannon, one month to reach the ocean, 0)
	~	
	~		|

indicated smolts leave Tucannon=
	DELAY FIXED(emergent fry, months spent as a juvenile, 0)
	~	
	~		|

smolt migration loss=
	indicated smolts enter ocean*smolt migration loss fraction
	~	
	~		|

Adults in 1st Yr in Ocean= INTEG (
	+smolts enter ocean-adult maturation-loss in 1st year,
		1.75)
	~	
	~		|

indicated adults arrive at spawning grounds=
	DELAY FIXED(adults escape harvest, months to reach spawning ground, 0)
	~	
	~		|

Potential maturation in 5th month=
	1.75*PULSE(5, 1)
	~	
	~		|

Smolts in Migration= INTEG (
	+smolts leave Tucannon-smolt migration loss-smolts enter ocean,
		0)
	~	
	~		|

"12 month lag time"=
	12
	~	
	~		|

actual redds=
	MIN(indicated redds, maximum number of redds)
	~	
	~		|

additions to harvest=
	adult harvest
	~	
	~		|

adult migration loss fraction= GAME (
	0.25)
	~	
	~		|

Artificial Stock of Fry= INTEG (
	inflow-outflow 12 months later,
		0)
	~	
	~		|

continue counting=
	DELAY FIXED(additions to harvest, time for counting, 0)
	~	
	~		|

cumulative harvest=
	Harvest in Past Years+Harvest in This Year
	~	
	~		|

egg deposition=
	actual redds*eggs per redd
	~	
	~		|

egg loss fraction= GAME (
	0.5)
	~	
	~		|

eggs per redd=
	3900
	~	
	~		|

expected smolt survival=
	Fe/((Fe/X4)+(1/X5))
	~	
	~		|

Fe=
	Artificial Stock of Fry*1000
	~	
	~		|

fraction female=
	0.5
	~	
	~		|

fraction of smolts to survive at very low density=
	0.5
	~	
	~		|

harvest fraction= GAME (
	0)
	~	
	~		|

Harvest in Past Years= INTEG (
	continue counting,
		0)
	~	
	~		|

Harvest in This Year= INTEG (
	additions to harvest-continue counting,
		0)
	~	
	~		|

indicated redds=
	adults spawning*fraction female
	~	
	~		|

juvenile loss fraction depends on density=
	(Fe-expected smolt survival)/MAX(1, Fe)
	~	
	~		|

loss fraction in 1st year= GAME (
	0.35)
	~	
	~		|

loss fraction in 2nd year= GAME (
	0.1)
	~	
	~		|

maximum number of redds=
	10000
	~	
	~		|

outflow 12 months later=
	DELAY FIXED(inflow, "12 month lag time", 0)
	~	
	~		|

"randomness turned on?"=
	0
	~	
	~		|

smolt carrying capacity=
	Tucannon carrying capacity in thousands of smolts*1000
	~	
	~		|

smolt migration loss fraction=
	MIN(0.995, smolt migration loss fraction in a regular year+"randomness turned on?"*RANDOM UNIFORM\
		(-0.05, 0.05, 123))
	~	
	~		|

smolt migration loss fraction in a regular year= GAME (
	0.9)
	~	
	~		|

time for counting=
	12
	~	
	~		|

months for eggs to hatch=
	6
	~	
	~		|

one month to reach the ocean=
	1
	~	
	~		|

months spent as a juvenile=
	12
	~	
	~		|

months to reach spawning ground=
	4
	~	
	~		|

month before ready to spawn=
	1
	~	
	~		|

Tucannon carrying capacity in thousands of smolts= GAME (
	400)
	~	
	~		|

value of cumulative harvest=
	cumulative harvest*value per fish
	~	
	~		|

value per fish=
	40
	~	
	~		|

X4=
	smolt carrying capacity
	~	
	~		|

X5=
	fraction of smolts to survive at very low density
	~	
	~		|

********************************************************
	.Control
********************************************************~
		Simulation Control Parameters
	|

FINAL TIME  = 480
	~	Month
	~	The final time for the simulation.
	|

INITIAL TIME  = 0
	~	Month
	~	The initial time for the simulation.
	|

SAVEPER  = 
        TIME STEP
	~	Month [0,?]
	~	The frequency with which output is stored.
	|

TIME STEP  = 1
	~	Month [0,?]
	~	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
*Control Panel for Game
$192-192-192,0,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,5
12,1,0,137,591,99,17,3,124,0,0,0,0,0,0
smolt migration loss fraction in a regular year,0.8,1,0.01
12,2,0,130,657,92,19,3,124,0,0,0,0,0,0
adult migration loss fraction,0.25,0.45,0.01
12,3,0,386,586,112,19,3,124,0,0,0,0,0,0
egg loss fraction,0.5,0.75,0.01
12,4,0,394,647,123,21,3,124,0,0,0,0,0,0
Tucannon carrying capacity in thousands of smolts,0,400,10
12,5,0,479,256,420,249,3,188,0,0,1,0,0,0
Main_Chart
12,6,0,822,621,80,30,3,124,0,0,0,0,0,0
harvest fraction,0,1,0.01
12,7,0,133,551,90,20,3,4,0,16,-1,3,0,0,0-0-0,0-0-0,|14|B|0-0-0
Migration Corridor Parameters
12,8,0,391,545,69,19,3,4,0,24,-1,3,0,0,0-0-0,0-0-0,|14|B|0-0-0
Habitat Parameters
12,9,0,827,544,54,32,3,4,0,24,-1,3,0,0,0-0-0,0-0-0,|14|B|0-0-0
Policy:  the Harvest Fraction
12,10,0,634,539,69,19,3,4,0,24,-1,3,0,0,0-0-0,0-0-0,|14|B|0-0-0
Ocean Parameters
12,11,0,635,584,80,20,3,124,0,0,0,0,0,0
loss fraction in 1st year,0.1,0.6,0.05
12,12,0,642,649,80,20,3,92,0,0,0,0,0,0
loss fraction in 2nd year,0,0.4,0.05
\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*Life Cycle
$192-192-192,0,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|96,96,5
10,1,Eggs in Redds,458,173,41,23,3,131,0,0,0,3,0,0
10,2,Juveniles in the Tucannon,461,338,42,23,3,131,0,0,0,3,0,0
10,3,Smolts in Migration,459,524,45,23,3,131,0,0,0,3,0,0
10,4,Adults in 1st Yr in Ocean,654,640,48,23,3,131,0,16,0,3,0,0,0-0-0,0-0-0,|12|B|0-0-0
10,5,Adults in 2nd Yr in Ocean,984,639,55,26,3,131,0,16,0,3,0,0,0-0-0,0-0-0,|12|B|0-0-0
10,6,Adults in Migration,1103,398,45,24,3,131,0,0,0,3,0,0
10,7,Adults Ready to Spawn,828,43,44,25,3,131,0,0,0,2,0,0
12,8,48,714,138,10,8,0,3,0,0,-1,0,0,0
1,9,11,1,4,0,0,22,0,0,0,-1--1--1,,1|(540,173)|
1,10,11,8,100,0,0,22,0,0,0,-1--1--1,,1|(714,173)|
11,11,48,588,173,6,8,34,3,0,0,1,0,0,0
10,12,egg deposition,588,192,46,11,40,3,0,0,-1,0,0,0
10,13,egg loss fraction,317,291,51,11,8,3,0,4,0,0,0,0,0-0-0,255-128-0,|12||0-0-0
10,14,months for eggs to hatch,740,309,59,19,8,3,0,0,0,0,0,0
10,15,months spent as a juvenile,699,401,51,26,8,3,0,0,0,0,0,0
10,16,juvenile loss fraction depends on density,308,463,69,19,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
10,17,one month to reach the ocean,721,469,61,19,8,131,0,0,0,0,0,0
10,18,smolt migration loss fraction,318,619,62,19,8,3,0,0,0,0,0,0
10,19,"randomness turned on?",162,595,39,19,8,3,0,0,0,0,0,0
10,20,smolt migration loss fraction in a regular year,203,677,77,19,8,3,0,4,0,0,0,0,0-0-0,255-128-0,|12||0-0-0
1,21,20,18,1,0,0,0,0,64,0,-1--1--1,,1|(260,661)|
1,22,19,18,1,0,0,0,0,64,0,-1--1--1,,1|(248,597)|
10,23,loss fraction in 1st year,880,764,57,19,8,3,0,4,0,0,0,0,0-0-0,255-128-0,|12||0-0-0
10,24,loss fraction in 2nd year,1241,762,46,19,8,3,0,4,0,0,0,0,0-0-0,255-128-0,|12||0-0-0
10,25,adult harvest,1374,459,40,11,8,3,0,0,0,0,0,0
10,26,harvest fraction,1269,504,43,26,8,3,0,28,0,0,0,0,0-0-0,128-192-0,|18|B|0-0-0
1,27,26,25,1,0,0,0,0,64,0,-1--1--1,,1|(1288,474)|
12,28,48,1320,398,10,8,0,3,0,0,-1,0,0,0
1,29,31,6,4,0,0,22,0,0,0,-1--1--1,,1|(1185,398)|
1,30,31,28,100,0,0,22,0,0,0,-1--1--1,,1|(1272,398)|
11,31,48,1229,398,6,8,34,3,0,0,1,0,0,0
10,32,adults escape harvest,1229,425,43,19,40,3,0,0,-1,0,0,0
1,33,25,32,1,0,0,0,0,64,0,-1--1--1,,1|(1313,404)|
10,34,months to reach spawning ground,1348,156,54,19,8,3,0,0,0,0,0,0
10,35,adult migration loss fraction,1012,292,61,19,8,3,0,4,0,0,0,0,0-0-0,255-128-0,|12||0-0-0
12,36,48,586,42,10,8,0,3,0,0,-1,0,0,0
1,37,39,36,4,0,0,22,0,0,0,-1--1--1,,1|(640,42)|
1,38,39,7,100,0,0,22,0,0,0,-1--1--1,,1|(740,42)|
11,39,48,690,42,6,8,34,3,0,0,1,0,0,0
10,40,adults spawning,690,61,50,11,40,3,0,0,-1,0,0,0
10,41,month before ready to spawn,808,126,53,24,8,3,0,0,0,0,0,0
1,42,41,40,1,0,0,0,0,64,0,-1--1--1,,1|(704,109)|
10,43,indicated redds,435,78,48,11,8,3,0,0,0,0,0,0
10,44,fraction female,359,117,46,11,8,3,0,0,0,0,0,0
10,45,actual redds,509,126,39,11,8,3,0,0,0,0,0,0
10,46,maximum number of redds,582,87,56,19,8,3,0,0,0,0,0,0
10,47,eggs per redd,651,130,44,11,8,3,0,0,0,0,0,0
1,48,47,12,1,0,0,0,0,64,0,-1--1--1,,1|(639,155)|
1,49,45,12,1,0,0,0,0,64,0,-1--1--1,,1|(556,163)|
1,50,46,45,1,0,0,0,0,64,0,-1--1--1,,1|(569,120)|
1,51,43,45,1,0,0,0,0,64,0,-1--1--1,,1|(452,100)|
1,52,44,43,1,0,0,0,0,64,0,-1--1--1,,1|(411,96)|
1,53,40,43,1,0,0,0,0,64,0,-1--1--1,,1|(514,58)|
1,54,56,2,4,0,0,22,0,0,0,-1--1--1,,1|(458,288)|
1,55,56,1,100,0,0,22,0,0,0,-1--1--1,,1|(458,223)|
11,56,1180,458,256,8,6,33,3,0,0,4,0,0,0
10,57,emergent fry,506,256,40,11,40,3,0,0,-1,0,0,0
12,58,48,262,221,10,8,0,3,0,0,-1,0,0,0
1,59,61,58,4,0,0,22,0,0,0,-1--1--1,,1|(262,174)|
1,60,61,1,100,0,0,22,0,0,0,-1--1--1,,1|(385,174)|
11,61,48,347,174,6,8,34,3,0,0,1,0,0,0
10,62,Egg loss,347,193,27,11,40,3,0,0,-1,0,0,0
1,63,13,62,1,0,0,0,0,64,0,-1--1--1,,1|(308,228)|
1,64,13,57,1,0,0,0,0,64,0,-1--1--1,,1|(427,303)|
10,65,indicated emergent fry,618,244,40,19,8,3,0,0,0,0,0,0
1,66,12,65,1,0,0,0,0,64,0,-1--1--1,,1|(605,245)|
1,67,65,57,1,0,0,0,0,64,0,-1--1--1,,1|(553,240)|
1,68,65,62,1,0,0,0,0,64,0,-1--1--1,,1|(528,220)|
1,69,14,65,1,0,0,0,0,64,0,-1--1--1,,1|(687,268)|
10,70,potential hatching in 4th month,375,255,44,17,8,3,0,8,0,0,0,0,0-0-0,0-0-0,|10||0-0-0
1,71,70,57,1,0,0,0,0,64,0,-1--1--1,,1|(412,230)|
1,72,70,62,1,0,0,0,0,64,0,-1--1--1,,1|(360,223)|
1,73,75,3,4,0,0,22,0,0,0,-1--1--1,,1|(457,453)|
1,74,75,2,100,0,0,22,0,0,0,-1--1--1,,1|(457,377)|
11,75,316,457,399,8,6,33,3,0,0,4,0,0,0
10,76,smolts leave Tucannon,504,399,39,19,40,3,0,0,-1,0,0,0
12,77,48,259,396,10,8,0,3,0,0,-1,0,0,0
1,78,80,77,4,0,0,22,0,0,0,-1--1--1,,1|(259,331)|
1,79,80,2,100,0,0,22,0,0,0,-1--1--1,,1|(387,331)|
11,80,48,349,331,6,8,34,3,0,0,1,0,0,0
10,81,smolt loss,349,350,32,11,40,3,0,0,-1,0,0,0
10,82,potential smolts in 4th month,377,421,52,15,8,3,0,8,0,0,0,0,0-0-0,0-0-0,|10||0-0-0
10,83,indicated smolts leave Tucannon,574,343,51,19,8,3,0,0,0,0,0,0
1,84,16,81,1,0,0,0,0,64,0,-1--1--1,,1|(304,404)|
1,85,16,76,1,0,0,0,0,64,0,-1--1--1,,1|(406,481)|
1,86,82,81,1,0,0,0,0,64,0,-1--1--1,,1|(356,387)|
1,87,82,76,1,0,0,0,0,64,0,-1--1--1,,1|(431,430)|
1,88,57,83,1,0,0,0,0,64,0,-1--1--1,,1|(550,297)|
1,89,83,81,1,0,0,0,0,64,0,-1--1--1,,1|(421,374)|
1,90,83,76,1,0,0,0,0,64,0,-1--1--1,,1|(579,376)|
1,91,15,83,1,0,0,0,0,64,0,-1--1--1,,1|(651,348)|
1,92,94,4,4,0,0,22,0,0,0,-1--1--1,,1|(536,631)|
1,93,94,3,100,0,0,22,0,0,0,-1--1--1,,1|(461,585)|
11,94,748,461,631,6,8,34,3,0,0,1,0,0,0
10,95,smolts enter ocean,461,650,58,11,40,3,0,0,-1,0,0,0
12,96,48,263,573,10,8,0,3,0,0,-1,0,0,0
1,97,99,96,4,0,0,22,0,0,0,-1--1--1,,1|(263,523)|
1,98,99,3,100,0,0,22,0,0,0,-1--1--1,,1|(378,523)|
11,99,48,337,523,6,8,34,3,0,0,1,0,0,0
10,100,smolt migration loss,337,550,48,19,40,3,0,0,-1,0,0,0
10,101,indicated smolts enter ocean,577,535,51,19,8,3,0,0,0,0,0,0
1,102,101,95,1,0,0,0,0,64,0,-1--1--1,,1|(552,545)|
1,103,101,100,1,0,0,0,0,64,0,-1--1--1,,1|(451,565)|
1,104,18,100,1,0,0,0,0,64,0,-1--1--1,,1|(320,591)|
1,105,18,95,1,0,0,0,0,64,0,-1--1--1,,1|(439,660)|
1,106,76,101,1,0,0,0,0,64,0,-1--1--1,,1|(525,482)|
1,107,17,101,1,0,0,0,0,64,0,-1--1--1,,1|(622,463)|
1,108,110,5,4,0,0,22,0,0,0,-1--1--1,,1|(875,640)|
1,109,110,4,100,0,0,22,0,0,0,-1--1--1,,1|(755,640)|
11,110,844,815,640,6,8,34,3,0,0,1,0,0,0
10,111,adult maturation,815,659,50,11,40,3,0,0,-1,0,0,0
12,112,48,659,764,10,8,0,3,0,0,-1,0,0,0
1,113,115,112,4,0,0,22,0,0,0,-1--1--1,,1|(658,737)|
1,114,115,4,100,0,0,22,0,0,0,-1--1--1,,1|(658,685)|
11,115,48,658,713,8,6,33,3,0,0,4,0,0,0
10,116,loss in 1st year,713,713,47,11,40,3,0,0,-1,0,0,0
10,117,indicated adult maturation,743,596,46,19,8,3,0,0,0,0,0,0
10,118,Potential maturation in 5th month,825,711,53,18,8,3,0,8,0,0,0,0,0-0-0,0-0-0,|10||0-0-0
1,119,118,111,1,0,0,0,0,64,0,-1--1--1,,1|(825,680)|
1,120,118,116,1,0,0,0,0,64,0,-1--1--1,,1|(769,705)|
1,121,23,111,1,0,0,0,0,64,0,-1--1--1,,1|(895,722)|
1,122,23,116,1,0,0,0,0,64,0,-1--1--1,,1|(765,748)|
1,123,117,116,1,0,0,0,0,64,0,-1--1--1,,1|(717,671)|
1,124,117,111,1,0,0,0,0,64,0,-1--1--1,,1|(830,614)|
1,125,95,117,1,0,0,0,0,64,0,-1--1--1,,1|(646,606)|
12,126,48,1355,639,10,8,0,3,0,0,-1,0,0,0
1,127,129,126,4,0,0,22,0,0,0,-1--1--1,,1|(1267,639)|
1,128,129,5,100,0,0,22,0,0,0,-1--1--1,,1|(1108,639)|
11,129,48,1184,639,6,8,34,3,0,0,1,0,0,0
10,130,adults return to Columbia,1184,666,48,19,40,3,0,0,-1,0,0,0
12,131,48,977,766,10,8,0,3,0,0,-1,0,0,0
1,132,134,131,4,0,0,22,0,0,0,-1--1--1,,1|(977,743)|
1,133,134,5,100,0,0,22,0,0,0,-1--1--1,,1|(977,690)|
11,134,48,977,722,8,6,33,3,0,0,4,0,0,0
10,135,loss in 2nd year,1034,722,49,11,40,3,0,0,-1,0,0,0
10,136,indicated adults return to Columbia,1098,590,70,19,8,3,0,0,0,0,0,0
1,137,111,136,1,0,0,0,0,64,0,-1--1--1,,1|(893,596)|
1,138,136,130,1,0,0,0,0,64,0,-1--1--1,,1|(1135,623)|
1,139,136,135,1,0,0,0,0,64,0,-1--1--1,,1|(1043,677)|
10,140,Potential return in 5th month,1152,729,34,21,8,3,0,8,0,0,0,0,0-0-0,0-0-0,|10||0-0-0
1,141,140,135,1,0,0,0,0,64,0,-1--1--1,,1|(1099,701)|
1,142,140,130,1,0,0,0,0,64,0,-1--1--1,,1|(1201,702)|
1,143,24,130,1,0,0,0,0,64,0,-1--1--1,,1|(1250,706)|
1,144,24,135,1,0,0,0,0,64,0,-1--1--1,,1|(1120,762)|
1,145,130,32,1,0,0,0,0,64,0,-1--1--1,,1|(1188,536)|
1,146,130,25,1,0,0,0,0,64,0,-1--1--1,,1|(1322,556)|
1,147,149,7,4,0,0,22,0,0,0,-1--1--1,,4|(1146,194)|(1146,194)|(1146,53)|(1009,53)|
1,148,149,6,100,0,0,22,0,0,0,-1--1--1,,4|(873,194)|(873,194)|(873,398)|(965,398)|
11,149,620,1009,194,6,8,34,3,0,0,1,0,0,0
10,150,adults arrive at spawning grounds,1009,221,57,19,40,3,0,0,-1,0,0,0
12,151,48,1276,293,10,8,0,3,0,0,-1,0,0,0
1,152,154,151,4,0,0,22,0,0,0,-1--1--1,,1|(1226,287)|
1,153,154,6,100,0,0,22,0,0,0,-1--1--1,,1|(1103,287)|
11,154,48,1181,287,6,8,34,3,0,0,1,0,0,0
10,155,adult migration loss,1181,306,60,11,40,3,0,0,-1,0,0,0
10,156,indicated adults arrive at spawning grounds,1276,226,77,19,8,3,0,0,0,0,0,0
1,157,156,155,1,0,0,0,0,64,0,-1--1--1,,1|(1264,266)|
1,158,156,150,1,0,0,0,0,64,0,-1--1--1,,1|(1138,232)|
1,159,34,156,1,0,0,0,0,64,0,-1--1--1,,1|(1329,184)|
1,160,32,156,1,0,0,0,0,64,0,-1--1--1,,1|(1300,315)|
1,161,35,155,1,0,0,0,0,64,0,-1--1--1,,1|(1116,318)|
1,162,35,150,1,0,0,0,0,64,0,-1--1--1,,1|(974,262)|
1,163,150,40,1,0,0,0,0,64,0,-1--1--1,,1|(852,107)|
\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*Smolt Loss
$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
12,1,0,625,63,331,26,3,132,0,0,-1,0,0,0
This part of the model not shown in Figure 1.  The "artifical stock of fry" is a conveyor used to hold the value of the "emergent fry" for one year so the model can correctly find the expected number of smolt to survive based on the nonlinear curve in  Figure 2. 
10,2,Tucannon carrying capacity in thousands of smolts,389,133,76,28,8,3,0,4,0,0,0,0,0-0-0,255-128-0,|12||0-0-0
10,3,smolt carrying capacity,352,234,45,19,8,3,0,0,0,0,0,0
10,4,X4,479,267,12,11,8,3,0,0,0,0,0,0
10,5,X5,645,261,12,11,8,3,0,0,0,0,0,0
10,6,fraction of smolts to survive at very low density,780,202,63,28,8,3,0,0,0,0,0,0
10,7,expected smolt survival,584,323,48,19,8,3,0,0,0,0,0,0
10,8,Fe,635,435,10,11,8,3,0,0,0,0,0,0
10,9,Artificial Stock of Fry,643,526,48,27,3,131,0,0,0,0,0,0
12,10,48,373,528,10,8,0,3,0,0,-1,0,0,0
1,11,13,9,4,0,0,22,0,0,0,-1--1--1,,1|(545,527)|
1,12,13,10,100,0,0,22,0,0,0,-1--1--1,,1|(433,527)|
11,13,48,489,527,6,8,34,3,0,0,1,0,0,0
10,14,inflow,489,546,20,11,40,3,0,0,-1,0,0,0
12,15,48,906,525,10,8,0,3,0,0,-1,0,0,0
1,16,18,15,4,0,0,22,0,0,0,-1--1--1,,1|(847,525)|
1,17,18,9,100,0,0,22,0,0,0,-1--1--1,,1|(739,525)|
11,18,48,793,525,6,8,34,3,0,0,1,0,0,0
10,19,outflow 12 months later,793,552,39,19,40,3,0,0,-1,0,0,0
1,20,2,3,1,0,0,0,0,64,0,-1--1--1,,1|(321,179)|
1,21,3,4,1,0,0,0,0,64,0,-1--1--1,,1|(448,219)|
1,22,4,7,1,0,0,0,0,64,0,-1--1--1,,1|(502,324)|
1,23,6,5,1,0,0,0,0,64,0,-1--1--1,,1|(684,213)|
1,24,5,7,1,0,0,0,0,64,0,-1--1--1,,1|(591,274)|
1,25,8,7,1,0,0,0,0,64,0,-1--1--1,,1|(586,389)|
1,26,9,8,1,0,0,0,0,64,0,-1--1--1,,1|(604,470)|
1,27,14,19,1,0,0,0,0,64,0,-1--1--1,,1|(657,607)|
10,28,"12 month lag time",886,468,56,11,8,3,0,0,0,0,0,0
1,29,28,19,1,0,0,0,0,64,0,-1--1--1,,1|(830,492)|
10,30,juvenile loss fraction depends on density,807,338,64,19,8,3,0,0,0,0,0,0
1,31,8,30,1,0,0,0,0,64,0,-1--1--1,,1|(750,420)|
1,32,7,30,1,0,0,0,0,64,0,-1--1--1,,1|(670,353)|
10,33,emergent fry,427,583,49,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
1,34,33,14,1,0,0,0,0,64,0,-1--1--1,,1|(490,577)|
\\\---/// Sketch information - do not modify anything except names
V300  Do not put anything below this section - it will be ignored
*Harvest
$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
10,1,Harvest in This Year,474,322,40,20,3,3,0,0,0,0,0,0
10,2,Harvest in Past Years,781,325,40,20,3,3,0,0,0,0,0,0
12,3,48,239,318,10,8,0,3,0,0,-1,0,0,0
1,4,6,1,4,0,0,22,0,0,0,-1--1--1,,1|(389,318)|
1,5,6,3,100,0,0,22,0,0,0,-1--1--1,,1|(290,318)|
11,6,48,338,318,6,8,34,3,0,0,1,0,0,0
10,7,additions to harvest,338,345,37,19,40,3,0,0,-1,0,0,0
1,8,10,2,4,0,0,22,0,0,0,-1--1--1,,1|(666,321)|
1,9,10,1,100,0,0,22,0,0,0,-1--1--1,,1|(547,321)|
11,10,1052,586,321,6,8,34,3,0,0,1,0,0,0
10,11,continue counting,586,340,54,11,40,3,0,0,-1,0,0,0
1,12,7,11,1,0,0,0,0,64,0,-1--1--1,,1|(416,408)|
10,13,time for counting,645,422,52,11,8,3,0,0,0,0,0,0
1,14,13,11,1,0,0,0,0,64,0,-1--1--1,,1|(614,416)|
10,15,cumulative harvest,676,206,57,11,8,3,0,0,0,0,0,0
10,16,value of cumulative harvest,888,218,60,19,8,3,0,0,0,0,0,0
10,17,value per fish,845,107,42,11,8,3,0,0,0,0,0,0
1,18,1,15,1,0,0,0,0,64,0,-1--1--1,,1|(562,237)|
1,19,2,15,1,0,0,0,0,64,0,-1--1--1,,1|(680,278)|
1,20,15,16,1,0,0,0,0,64,0,-1--1--1,,1|(777,241)|
1,21,17,16,1,0,0,0,0,64,0,-1--1--1,,1|(821,139)|
10,22,adult harvest,211,391,49,11,8,2,0,3,-1,0,0,0,128-128-128,0-0-0,|12||128-128-128
1,23,22,7,1,0,0,0,0,64,0,-1--1--1,,1|(296,382)|
///---\\\
:GRAPH Main_Chart
:TITLE Main Graph for 480 Months of Results:  24 months at a time
:X-DIV 4
:X-MIN 0
:X-MAX 480
:SCALE
:VAR adults return to Columbia
:Y-MIN 0
:Y-MAX 40
:LINE-WIDTH 2
:VAR Harvest in This Year
:LINE-WIDTH 4
:SCALE
:VAR harvest fraction
:Y-MIN 0
:Y-MAX 1
:LINE-WIDTH 2
:SCALE
:VAR cumulative harvest
:Y-MIN 0
:Y-MAX 400
:LINE-WIDTH 2
:L<%^E!@
1:Current.vdf
9:Current
23:0
15:0,0,0,0,0,0
19:5,0
27:2,
4:Time
5:egg loss fraction
24:0
25:480
26:480