birth fraction=
	0.2
	~	
	~		|

births=
	birth fraction*Deer Population
	~	
	~		|

consuming=
	Deer Population*vegetation per deer
	~	
	~		|

death fraction = WITH LOOKUP (
	Vegetation,
		([(0,0)-(4000,1)],(0,1),(385.882,0.75089),(752.941,0.565836),(1251.76,0.409253),(2061.18\
		,0.185053),(4000,0.024911) ))
	~	Dmnl
	~		|

deaths=
	death fraction*Deer Population
	~	
	~		|

Deer Population= INTEG (
	births-deaths,
		100)
	~	 [0,?]
	~		|

regenerating=
	IF THEN ELSE(Vegetation<=0, 0, regeneration per plant*Vegetation)
	~	
	~		|

regeneration per plant=
	0.5
	~	
	~		|

Vegetation= INTEG (
	regenerating-consuming
	,
		3500)
	~	
	~		|

vegetation per deer=
	15
	~	
	~		|

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

FINAL TIME  = 12
	~	Year
	~	The final time for the simulation.
	|

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

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

TIME STEP  = 0.25
	~	Year [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
*View 1
$192-192-192,0,Times New Roman|12||0-0-0|0-0-0|0-0-255|-1--1--1|-1--1--1|120,120
10,1,Deer Population,242,96,62,26,3,3,0,0,0,0,0,0
12,2,48,62,92,10,8,0,3,0,0,-1,0,0,0
1,3,5,1,4,0,0,22,0,0,0,-1--1--1,,1|(158,92)|
1,4,5,2,100,0,0,22,0,0,0,-1--1--1,,1|(98,92)|
11,5,48,130,92,6,8,34,3,0,0,1,0,0,0
10,6,births,130,112,25,12,40,3,0,0,-1,0,0,0
12,7,48,469,92,10,8,0,3,0,0,-1,0,0,0
1,8,10,7,4,0,0,22,0,0,0,-1--1--1,,1|(425,92)|
1,9,10,1,100,0,0,22,0,0,0,-1--1--1,,1|(342,92)|
11,10,48,386,92,6,8,34,3,0,0,1,0,0,0
10,11,deaths,386,112,27,12,40,3,0,0,-1,0,0,0
10,12,Vegetation,289,299,52,24,3,3,0,0,0,0,0,0
12,13,48,51,298,10,8,0,3,0,0,-1,0,0,0
1,14,16,13,4,0,0,22,0,0,0,-1--1--1,,1|(103,296)|
1,15,16,12,100,0,0,22,0,0,0,-1--1--1,,1|(197,296)|
11,16,48,151,296,6,8,34,3,0,0,1,0,0,0
10,17,consuming,151,316,44,12,40,3,0,0,-1,0,0,0
12,18,48,550,291,10,8,0,3,0,0,-1,0,0,0
1,19,21,12,4,0,0,22,0,0,0,-1--1--1,,1|(384,293)|
1,20,21,18,100,0,0,22,0,0,0,-1--1--1,,1|(490,293)|
11,21,48,434,293,6,8,34,3,0,0,1,0,0,0
10,22,regenerating,434,313,51,12,40,3,0,0,-1,0,0,0
10,23,birth fraction,78,185,54,12,8,3,0,0,0,0,0,0
1,24,23,5,1,0,0,0,0,64,0,-1--1--1,,1|(76,144)|
10,25,death fraction,488,183,56,12,8,3,0,0,0,0,0,0
1,26,25,10,1,0,0,0,0,64,0,-1--1--1,,1|(465,138)|
10,27,vegetation per deer,115,457,59,22,8,3,0,0,0,0,0,0
10,28,regeneration per plant,520,444,68,22,8,3,0,0,0,0,0,0
1,29,27,16,0,0,0,0,0,64,0,-1--1--1,,1|(132,374)|
1,30,28,21,0,0,0,0,0,64,0,-1--1--1,,1|(475,366)|
1,31,1,5,1,0,0,0,0,64,0,-1--1--1,,1|(179,147)|
1,32,1,10,1,0,0,0,0,64,0,-1--1--1,,1|(347,141)|
1,33,1,16,1,0,0,0,0,64,0,-1--1--1,,1|(240,210)|
1,34,12,21,1,0,0,0,0,64,0,-1--1--1,,1|(372,363)|
1,35,12,25,1,0,0,0,0,64,0,-1--1--1,,1|(353,208)|
///---\\\
:L<%^E!@
1:Current.vdf
9:Current
15:0,0,0,0,0,0
19:100,0
27:2,
4:Time
5:Vegetation
24:0
25:12
26:12