All forest health factors detected through aerial surveys by region. Data is the number of hectares affected (all severity classes combined)
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Bark Beetles |
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Disturbance Type |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
|
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IBM=Mountain Pine Beetle |
8,865 |
8,865 |
12,000 |
19,200 |
19,100 |
34,720 |
19,761 |
IBS=Spruce Beetle |
|
|
|
1,350 |
151 |
100 |
899 |
IBB=Western Balsam Bark Beetle |
|
|
|
22,900 |
7,700 |
17,750 |
24,590 |
IBD=Douglas-fir Beetle |
|
|
|
1,300 |
1,100 |
326 |
2,105 |
IBI=Engraver Beetles |
|
|
|
0 |
0 |
0 |
0 |
IBW=Western Pine Beetle |
|
|
|
0 |
0 |
1 |
5 |
Total All Bark Beetles |
8,865 |
8,865 |
12,000 |
44,750 |
28,051 |
52,898 |
47,359 |
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Defoliators |
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Disturbance Type |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
|
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ID=Defoliators |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
IDH=Western Blackheaded Budworm |
0 |
0 |
0 |
10 |
0 |
0 |
0 |
IDB=2-Year Budworm |
0 |
0 |
0 |
0 |
35,300 |
0 |
79,361 |
IDE=Spruce Budworm |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
IDL=Western Hemlock Looper |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
IDS=Conifer Sawflies |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
IDK=Northern Tent Caterpillar |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
IDF=Forest Tent Caterpillar |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
IDW=Western Spruce Budworm |
10,000 |
2,100 |
25,000 |
45,700 |
61,300 |
658 |
14,690 |
IDT=Douglas-fir Tussock Moth |
0 |
0 |
0 |
0 |
50 |
|
0 |
IDN=Birch Leaf Miner |
0 |
0 |
0 |
0 |
0 |
0 |
496 |
IDU=Satin Moth |
0 |
0 |
0 |
0 |
0 |
385 |
0 |
IAS=Green Spruce Aphid |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Total Defoliators |
10,000 |
2,100 |
25,000 |
45,700 |
96,650 |
1,043 |
94,547 |
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Abiotic Factors |
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Disturbance Type |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
|
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NB=Fire |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
2,159 |
557 |
NW=Windthrow |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
103 |
10 |
ND=Drought |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
11,483 |
0 |
NF=Flooding |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
732 |
28 |
NR=Red Belt |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
0 |
0 |
NGK=Shoot/Bud Frost Kill |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
91 |
596 |
Total Abiotics |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
13,836 |
6,406 |
|
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Diseases |
|||||||
Disturbance Type |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
|
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DFL=Pine Needle Cast |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
327 |
0 |
DRA=Armillaria Root Disease |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
0 |
0 |
DMP=Lodgepole Pine Dwarf Mistletoe |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
0 |
0 |
DSB=White Pine Blister Rust |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
0 |
0 |
DFH=Larch Needle Cast |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
0 |
16 |
Total Diseases |
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
327 |
6,422 |
|
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Animals |
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Disturbance Type |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
|
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AB=Bear |
0 |
0 |
0 |
0 |
0 |
0.5 |
0 |
AP=Porcupine |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
AD=Deer |
0 |
0 |
0 |
0 |
0 |
3.3 |
0 |
Total Animals |
0 |
0 |
0 |
0 |
0 |
3.8 |
0 |
|
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Total Other (Abiotics, Diseases, Animals) |
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1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
|
not recorded |
not recorded |
not recorded |
not recorded |
not recorded |
11,404 |
7,018 |
|
|
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Overall Total For Each Year |
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|
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
18,865 |
10,965 |
37,000 |
90,450 |
124,701 |
53,305 |
148,924 |
|
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