Summary of forest health conditions in the Cariboo Forest Region (1994 to 2000)

Last updated on February 1, 2024

All forest health factors detected through aerial surveys by region. Data is the number of hectares affected (all severity classes combined)

Pest damage by year
Bark beetles
Disturbance Type (Pest Code)	1994	1995	1996	1997	1998	1999	2000
Mountain Pine Beetle (IBM)	4,711	6,184	6,228	5,746	17,457	32,275	38,743
Spruce Beetle (IBS)	344	152	447	130	1,429	2,933	1,718
Western Balsam Bark Beetle (IBB)	8,222	8,939	6,903	4,012	17,138	19,237	15,097
Douglas-fir Beetle (IBD)	22,308	679	1,463	789	543	769	3,135
Engraver Beetles (IBI)	414	4	6	1	6	456	0
Western Pine Beetle (IBW)	0	0	1	0	0	0	0
Total Bark Beetles	35,999	15,958	15,048	10,678	36,573	55,670	58,572
Defoliators
Disturbance Type (Pest Code)	1994	1995	1996	1997	1998	1999	2000
Defoliators (ID)	0	0	0	0	0	627	0
Western Blackheaded Budworm (IDH)	0	0	0	0	0	0	0
2-Year Budworm (IDB)	110,520	0	59,828	20,982	145196	18,071	0
Spruce Budworm (IDE)	0	0	0	0	0	0	0
Western Hemlock Looper (IDL)	0	0	0	0	0	0	31,681
Conifer Sawflies (IDS)	0					0	0
Northern Tent Caterpillar (IDK)						0	27
Forest Tent Caterpillar (IDF)	55,228	47,200	2,489	1,094	0	702	0
Western Spruce Budworm (IDW)	0	0	5,500	205,151	42,070	930	0
Birch Leaf Miner (IDN)	0	0	0	0	0	0	169
Satin Moth (IDU)	0	0	0	0	0	0	0
Green Spruce Aphid (IAS)	0	0	0	0	0	0	0
Pine needle sheathminer (IDI)	0	0	0	0	0	0	221
Total Defoliators	165,748	47,200	67,817	227,227	187,266	20,330	32,098
Abiotics
Disturbance Type (Pest Code)	1994	1995	1996	1997	1998	1999	2000
Fire (NB)	0	0	0	0	0	0	46
Windthrow (NW)	3	151	1,191	1,645	696	108	194
Drought (ND)	0	0	0	0	0	0	0
Flooding (NF)	41	642	419	707	1,077	556	537
Red Belt (NR)	0	0	0	9,748	0	0	0
Shoot/Bud Frost Kill (NGK)	0	0	0	0	0	0	104
Total Abiotics	44	793	1,610	12,100	1,773	664	881
Diseases
Disturbance Type (Pest Code)	1994	1995	1996	1997	1998	1999	2000
Pine Needle Cast (DFL)	495,300	556,000	895,601	162,264	0	138	43
Armillaria Root Disease (DRA)	not recorded	not recorded	not recorded	not recorded	172	0	0
Lodgepole Pine Dwarf Mistletoe (DMP)	not recorded	not recorded	not recorded	not recorded	not recorded	0	0
White Pine Blister Rust (DSB)	not recorded	not recorded	not recorded	not recorded	not recorded	0	0
Larch Needle Cast (DFH)	not recorded	not recorded	not recorded	not recorded	not recorded	0	0
Total Diseases	495,300	556,000	895,601	162,264	172	138	43
Animals
Disturbance Type (Pest Code)	1994	1995	1996	1997	1998	1999	2000
Bear (AB)	0	0	0	0	0	0	0
Porcupine (AP)	0	0	0	0	0	0	0
Deer (AD)	0	0	0	0	0	0	0
Total Animals	0	0	0	0	0	0	0
Total other (abiotics, diseases and animals)
	1994	1995	1996	1997	1998	1999	2000
Total other	495,344	556,793	897,211	174,364	1,945	802	924
Overall totals per year
	1994	1995	1996	1997	1998	1999	2000
Total Year	697,091	619,951	980,076	412,269	225,784	76,802	91,595

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The B.C. Public Service acknowledges the territories of First Nations around B.C. and is grateful to carry out our work on these lands. We acknowledge the rights, interests, priorities, and concerns of all Indigenous Peoples - First Nations, Métis, and Inuit - respecting and acknowledging their distinct cultures, histories, rights, laws, and governments.

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Summary of forest health conditions in the Cariboo Forest Region (1994 to 2000)

On this page

Bark beetles

Defoliators

Abiotics

Diseases

Animals

Total other (abiotics, diseases and animals)

Overall totals per year