PEST INFESTATION COVERAGES

All coverages are in ALBERS EQUAL AREA CONIC projection using the following:
Units         METERS
Datum         NAD83 CNT
Parameters:'
1st standard parallel             50  0  0.000
2nd standard parallel             58  30  0.000
central meridian                -126  0  0.000
latitude of projections origin    45  0  0.000
false easting (meters)           1000000.00000
false northing (meters)                0.00000


Each polygon coverage contains the following items:
PEST        - The pest type for the specific polygon
	ad: animal damage
	abies decline:  abies decline
	alm:  aspen leaf miner
	armillaria:
	aspen disease:  aspen disease
	bbb:  western balsam bark beetle
	blm:  birch leaf miner
	dfb:  douglas-fir beetle
	lpnc:  lodgepole needle cast
	lpnm:  lodgepole needle miner
	mpb:  mountain pine beetle
	redbelt:  redbelt
	root rot:  root rot
	sbw2yr:  two-year budworm
	wlm:  willow leaf miners
	wpb decline:  whitebark pine decline
	wsbw:  western spruce budworm
	

YEAR        - The year for the infestation survey	

SCODE       - The infestation severity for the specific polygon
	1 = Light (1-10% stands killed)
	2 = Moderate (11-30% stands killed)
	3 = Severe (> 30 stands killed)
	4 = tree mortality from previous years (removed from data, as this was only recorded periodically)
	0,5 = Not infested

HECTARES          - Total area (in hectares) of the specified polygon

PARK					- National Park where pest was observed

FHF 					- BC Ministry of Forests pest codes 

SEVERITY			- BC Ministry of Forests pest severities  

COMMENT				- additional information 

SOURCE 				- source for polygon
	polygon:  original polygon
	point:  point that was buffered to a 0.25 hectare polygon

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Pacific Forestry Centre
Canadian Forest Service
Natural Resources Canada
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