// ~->[DNET-1]->~

// File created by MarcotB at ICBEMP using Netica 1.37
// on Mar 23, 2000 at 11:22:20.

bnet TBBA_broad {
autoupdate = TRUE;
comment = "Broad-scale BBN for TOWNSEND'S BIG-EARED BAT,\n\
	Alpha version 2.1 by Bruce Marcot, 23 March 2000\n\
	for: Interior Columbia Basin Ecosystem Management Project\n\n\
	Figure 2ba from:\n\
	Marcot, B. G., R. S. Holthausen, M. G. Raphael, M. Rowland, \
	and M. Wisdom.  \n\
	Submitted.  Using Bayesian belief networks to assess \
	vertebrate population \n\
	viability in the interior Columbia Basin, USA.  Forest  \
	Ecology and \n\
	Management xxx(xxx):xxx-xxx. \n\
	";
whenchanged = 953839338;

visual V1 {
	defdispform = BELIEFBARS;
	nodelabeling = NAMETITLE;
	NodeMaxNumEntries = 50;
	nodefont = font {shape= ""; size= 10;};
	linkfont = font {shape= "Arial"; size= 9;};
	windowposn = (16, 154, 504, 632);
	CommentWindowPosn = (142, 70, 794, 262);
	resolution = 72;
	drawingbounds = (1263, 941);
	showpagebreaks = FALSE;
	usegrid = TRUE;
	gridspace = (6, 6);
	PrinterSetting A {
		margins = (1270, 1270, 1270, 1270);
		landscape = FALSE;
		magnify = 1;
		};
	};

node HD1 {
	kind = NATURE;
	discrete = TRUE;
	states = (zero_0, low_1, high_2);
	levels = (0, 1, 2);
	parents = ();
	probs = 
		// zero_0       low_1        high_2       
		  (0.3333333,   0.3333333,   0.3333333);
	title = "Habitat Density";
	comment = "(Unadjusted) ecological density of habitat for \n\
		Townsend's big-eared bat.\n\n\
		Habitat density is expressed here as area of appropriate\n\
		habitat type divided by some measure of organisms'\n\
		habitat use (e.g., home range size).\n\n\
		Habitat density is then expressed on an ordinal scale\n\
		using 3 discrete states:\n\n\
		\|  zero (state no. 0)\n\
		\|  low (state no. 1)\n\
		\|  high (state no. 2)\n\n\
		By entering these three state numbers (0,1,2) as ranges \n\
		for each state, this model automatically then calculates\n\
		the expected value and sampling standard deviation\n\
		of the state and includes it in the belief box at the \
		bottom.\n\
		";
	whenchanged = 953839189;
	evidence = low_1;
	value = 1;
	visual V1 {
		center = (114, 60);
		dispform = BELIEFBARS;
		font = font {shape= "Arial"; size= 9;};
		height = 1;
		};
	};

node P1 {
	kind = NATURE;
	discrete = FALSE;
	levels = (INFINITY, 2700, 0);
	parents = ();
	probs = 
		// More than 2700 0 to 2700  
		  (0.5,         0.5);
	title = "Elevation m";
	comment = "Elevation in meters.\n\
		This node can serve as a proxy variable to node KEC1, \n\
		adequacy of the overall biophysical environment at the\n\
		broad scale.  This proxy variable can be elevation as\n\
		read from a digital elevation model (DEM) dataset for a\n\
		geographic information system (GIS) database.";
	whenchanged = 947896402;
	evidence = #1;
	visual V1 {
		center = (354, 36);
		font = font {shape= "Arial"; size= 9;};
		height = 5;
		};
	};

node KEC1 {
	kind = NATURE;
	discrete = TRUE;
	states = (Adequate, Inadequate);
	parents = (P1);
	probs = 
		// Adequate     Inadequate     // P1             
		 ((0.05,        0.95),         // More than 2700 
		  (1,           0));           // 0 to 2700      ;
	title = "Biophys Env";
	comment = "Adequacy of biophysical environments, mostly for \n\
		summer distribution.  Note: Townsend's big-eared bat \n\
		is generally not found over 1700 m in the area of interest.";
	whenchanged = 947896295;
	visual V1 {
		center = (294, 120);
		font = font {shape= "Arial"; size= 9;};
		height = 4;
		};
	};

node HD2 {
	kind = NATURE;
	discrete = TRUE;
	states = (zero_0, low_1, high_2);
	levels = (0, 1, 2);
	parents = (HD1, KEC1);
	probs = 
		// zero_0       low_1        high_2          // HD1    KEC1       
		(((1,           0,           0),             // zero_0 Adequate   
		  (1,           0,           0)),            // zero_0 Inadequate 
		 ((0.1,         0.7,         0.2),           // low_1  Adequate   
		  (0.7,         0.3,         0)),            // low_1  Inadequate 
		 ((0,           0.1,         0.9),           // high_2 Adequate   
		  (0.3,         0.6,         0.1)));         // high_2 Inadequate ;
	title = "Adjusted Habitat Density";
	comment = "Adjusted habitat density  is habitat density (node HD1) \n\
		adjusted by the key environmental correlates (KECs) \n\
		important to the species and that are measurable at this \n\
		broad scale of geographic resolution.  \n\n\
		For this species, there is only one such KEC, being the \n\
		overall adequacy of the biophysical environment, as \n\
		indexed by elevational range.  \n\
		";
	whenchanged = 953839241;
	visual V1 {
		center = (114, 216);
		dispform = BELIEFBARS;
		font = font {shape= "Arial"; size= 9;};
		height = 2;
		link 2 {
			path = ((246, 146), (195, 173));
			};
		};
	};

node P2 {
	kind = NATURE;
	discrete = TRUE;
	states = (None_Very_Low, Low, Moderate, High_Very_High);
	parents = ();
	probs = 
		// None_Very_Low Low         Moderate     High_Very_High 
		  (0.25,        0.25,        0.25,        0.25);
	title = "Predicted Road Dens.";
	comment = "None_Very_Low state corresponds to none and very low\n\
		road density classes (<0.1 mi/sq mi) from Landscape Team.\n\
		Low is 0.1-0.7 mi/sq mi; moderate is 0.7-1.7 mi/sq mi,\n\
		and high combines classes high and extremely\n\
		high (>1.7).\n\n\
		Value for proxy variable is calculated for the entire LAL \
		(e.g.\n\
		5th HUC). ";
	author = "Terry Rich\n\
		terry_rich@blm.gov\n\
		208-373-4043\n\n\
		created 7 April 1999";
	whenchanged = 947894687;
	evidence = Moderate;
	visual V1 {
		center = (354, 210);
		dispform = BELIEFBARS;
		font = font {shape= "Arial"; size= 9;};
		height = 6;
		};
	};

node KEC2 {
	kind = NATURE;
	discrete = TRUE;
	states = (Low, Moderate, High);
	parents = (P2);
	probs = 
		// Low          Moderate     High           // P2             
		 ((0.7,         0.3,         0),            // None_Very_Low  
		  (0.4,         0.4,         0.2),          // Low            
		  (0.2,         0.3,         0.5),          // Moderate       
		  (0.1,         0.3,         0.6));         // High_Very_High ;
	title = "Cave Disturbance";
	comment = "General disturbance from humans..  The CPT values in \n\
		this node represent the degree to which the proxy variable\n\
		represents cave disturbance.\n\n\
		This node was intended to represent CAVE\n\
		DISTURBANCE, but there are no direct proxies for this\n\
		variable in the Interior Columbia Basin Ecosystem \n\
		Management Project database.  Instead, the closest\n\
		available proxy is predicted road density, which only\n\
		partially represents potential cave disturbance.  \
		Therefore, \n\
		the probabilities in this node were adjusted to account for \
		\n\
		this, by flattening probabilities for each road density \
		class \n\
		input.\n\
		";
	author = "Terry Rich\n\
		terry_rich@blm.gov\n\
		208-373-4043\n\n\
		created 7 April 1999";
	whenchanged = 947896539;
	visual V1 {
		center = (306, 306);
		dispform = BELIEFBARS;
		font = font {shape= "Arial"; size= 9;};
		height = 7;
		};
	};

node HD3 {
	kind = NATURE;
	discrete = TRUE;
	states = (zero_0, low_1, high_2);
	levels = (0, 1, 2);
	parents = (HD2, KEC2);
	probs = 
		// zero_0       low_1        high_2          // HD2    KEC2     
		(((1,           0,           0),             // zero_0 Low      
		  (1,           0,           0),             // zero_0 Moderate 
		  (1,           0,           0)),            // zero_0 High     
		 ((0,           1,           0),             // low_1  Low      
		  (0.3,         0.7,         0),             // low_1  Moderate 
		  (0.5,         0.5,         0)),            // low_1  High     
		 ((0,           0.1,         0.9),           // high_2 Low      
		  (0.2,         0.3,         0.5),           // high_2 Moderate 
		  (0.4,         0.4,         0.2)));         // high_2 High     ;
	title = "Realized Adj. Hab. Dens.";
	comment = "Realized adjusted habitat density is adjusted habitat \
		density \n\
		(node HD2) with further consideration of effects\n\
		of human disturbance at the broad scale.\n\
		One of the major human disturbances to Townsend's\n\
		big-eared bat, that can be generally evaluated at the broad \
		\n\
		scale, is that of disturbance of caves and mines used as \n\
		winter hibernacula.  \n\
		";
	whenchanged = 953839303;
	visual V1 {
		center = (114, 372);
		dispform = BELIEFBARS;
		font = font {shape= "Arial"; size= 9;};
		height = 3;
		link 2 {
			path = ((222, 334), (205, 341));
			};
		};
	};
ElimOrder = (P1, P2, HD1, KEC1, HD2, KEC2, HD3);
};