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Table 2. Area summaries for forest health factors mapped during the 2012 aerial overview surveys. Timber Supply Area Area of Infestation (hectares) and Damaging Agent Trace Light Moderate Severe Very Severe Total Mountain Pine Beetle 100 Mile House TSA 87.9 133.6 0.0 0.0 0.0 221.5 Arrow TSA 998.9 933.2 310.9 14.0 0.0 2,257.0 Boundary TSA 4,665.3 6,883.2 1,893.9 489.2 0.0 13,931.5 Cranbrook TSA 2,450.0 1,396.0 856.8 193.3 0.0 4,896.2 Golden TSA 2,080.1 462.8 289.8 11.1 0.0 2,843.8 Invermere TSA 2,577.0 4,002.9 1,374.5 237.4 32.9 8,224.7 Kamloops TSA 109.8 497.5 8.4 0.0 0.0 615.7 Kootenay Lake TSA 1,907.7 1,620.5 1,075.8 619.0 0.0 5,223.0 Lillooet TSA 754.2 3,040.6 966.2 90.3 11.2 4,862.5 Merritt TSA 4,184.1 4,384.0 255.6 19.4 7.2 8,850.2 Okanagan TSA 14,316.2 26,064.9 3,300.6 355.0 54.0 44,090.7 Quesnel TSA 0.0 10.0 0.0 0.0 0.0 10.0 Revelstoke TSA 48.2 31.8 7.9 59.9 0.0 147.7 Williams Lake TSA 4,583.6 8,321.6 94.5 6.6 0.0 13,006.4 Total 38,762.9 57,782.7 10,434.8 2,095.2 105.3 109,181.0 Douglas-fir Beetle 100 Mile House TSA 379.1 2,432.2 514.5 18.5 0.0 3,344.3 Arrow TSA 0.0 80.2 71.5 7.4 0.0 159.1 Cranbrook TSA 14.6 121.0 0.0 0.0 0.0 135.6 Golden TSA 30.1 64.7 50.0 0.0 0.0 144.9 Invermere TSA 196.6 223.1 323.2 0.0 0.0 742.9 Kamloops TSA 0.0 108.1 187.5 35.9 12.7 344.2 Kootenay Lake TSA 0.0 122.1 0.0 0.0 0.0 122.1 Lillooet TSA 0.0 264.5 95.3 4.2 2.5 366.5 Merritt TSA 0.0 54.1 10.7 5.7 0.0 70.5 Okanagan TSA 0.0 247.4 315.7 57.5 55.2 675.8 Quesnel TSA 271.7 1,184.1 115.3 0.0 0.0 1,571.1 Revelstoke TSA 0.0 10.8 0.0 0.0 0.0 10.8 Williams Lake TSA 3,170.6 3,156.3 524.1 0.0 0.0 6,851.0 Total 4,062.7 8,068.7 2,207.8 129.1 70.4 14,538.7 Spruce Beetle 100 Mile House TSA 665.8 4,961.4 3,845.1 1,360.4 66.2 10,898.8 Golden TSA 29.0 22.3 0.0 11.1 0.0 62.4 Invermere TSA 0.0 146.7 243.8 0.0 159.5 550.0 Kamloops TSA 0.0 694.7 878.9 312.4 0.0 1,886.0 Kootenay Lake TSA 0.0 5.7 31.2 0.0 0.0 36.9 Lillooet TSA 0.0 155.4 340.5 155.1 9.2 660.2 Merritt TSA 39.0 188.5 547.4 77.1 19.4 871.3 Okanagan TSA 0.0 0.0 213.5 0.0 0.0 213.5 Quesnel TSA 14.7 1,093.0 0.0 0.0 0.0 1,107.7 Williams Lake TSA 1,804.8 7,381.0 6,058.3 2,868.8 0.0 18,112.9 Total 2,553.2 14,648.6 12,158.6 4,785.0 254.3 34,399.7 Western Balsam Bark Beetle 100 Mile House TSA 249.9 1,316.3 0.9 0.0 0.0 1,567.1 Arrow TSA 1,427.4 319.8 19.0 0.0 0.0 1,766.2 Boundary TSA 591.7 0.0 0.0 0.0 0.0 591.7 Cranbrook TSA 635.6 115.0 40.3 0.0 0.0 790.9 Golden TSA 1,537.7 320.9 8.5 0.0 0.0 1,867.0 Invermere TSA 893.4 200.0 0.0 0.0 0.0 1,093.4 Kamloops TSA 79,371.4 1,673.4 7.3 0.0 0.0 81,052.0 Kootenay Lake TSA 636.5 130.7 0.0 0.0 0.0 767.2 Lillooet TSA 1,601.1 0.0 0.0 0.0 0.0 1,601.1 Merritt TSA 9,132.4 84.9 0.0 0.0 0.0 9,217.3 Okanagan TSA 64,079.2 1,334.8 0.0 0.0 0.0 65,414.0 Quesnel TSA 2,204.7 17,431.2 0.0 0.0 0.0 19,635.9 Revelstoke TSA 39.9 37.4 0.0 0.0 0.0 77.2 Williams Lake TSA 6,378.4 17,873.3 2,864.1 15.7 0.0 27,131.4 Total 168,779.1 40,837.5 2,940.1 15.7 0.0 212,572.4 Ministry of Forests, Lands and Natural Resource Operations, Kamloops, B.C. 4
Table 2 continued. Area summaries for forest health factors mapped during the 2012 aerial overview surveys. Timber Supply Area Area of Infestation (hectares) and Damaging Agent Light Moderate Severe Grey Total Western Spruce Budworm 100 Mile House TSA 43,230.3 4,874.3 0.0 0.0 48,104.6 Boundary TSA 20,166.0 15,670.7 7,227.7 0.0 43,064.3 Cranbrook TSA 2,604.9 4,178.8 198.4 0.0 6,982.2 Golden TSA 0.0 0.0 33.7 0.0 33.7 Invermere TSA 0.0 21.4 0.0 0.0 21.4 Kamloops TSA 25,779.6 12,297.9 298.2 0.0 38,375.7 Lillooet TSA 15,608.0 18,370.9 464.2 0.0 34,443.1 Merritt TSA 58,012.2 33,259.0 523.6 0.0 91,794.9 Okanagan TSA 75,988.6 32,837.7 1,336.0 0.0 110,162.3 Quesnel TSA 829.6 0.0 0.0 0.0 829.6 Revelstoke TSA 674.9 912.2 115.6 0.0 1,702.8 Williams Lake TSA 73,108.0 6,508.9 0.0 0.0 79,616.9 Total 316,002.2 128,931.9 10,197.4 0.0 455,131.4 Two Year Cycle Budworm Kamloops TSA 20,592.8 1,073.0 0.0 0.0 21,665.7 Okanagan TSA 185.7 0.0 0.0 0.0 185.7 Quesnel TSA 31,260.6 797.3 0.0 0.0 32,057.9 Williams Lake TSA 7,146.6 1,301.5 0.0 0.0 8,448.1 Total 59,185.6 3,171.7 0.0 0.0 62,357.4 Western Hemlock Looper Golden TSA 327.8 247.8 40.5 0.0 616.1 Kamloops TSA 471.6 0.0 0.0 0.0 471.6 Okanagan TSA 1,087.9 146.8 0.0 0.0 1,234.7 Revelstoke TSA 212.2 110.6 0.0 0.0 322.8 Williams Lake TSA 4,443.4 961.6 52.4 0.0 5,457.4 Total 6,542.8 1,466.8 92.9 0.0 8,102.5 Douglas-fir Tussock Moth Kamloops TSA 2.2 21.8 25.5 1,970.5 2,019.9 Lillooet TSA 27.4 10.5 0.0 86.3 124.2 Total 29.6 32.3 25.5 2,056.8 2,144.2 Pine Needle Sheath Miner Kamloops TSA 45.3 53.0 0.0 0.0 98.3 Okanagan TSA 24.4 220.1 0.0 0.0 244.5 Quesnel TSA 68.8 105.7 0.0 0.0 174.5 Total 138.5 378.9 0.0 0.0 517.4 Aspen Serpentine Leaf Miner 100 Mile House TSA 6,265.7 23.9 0.0 0.0 6,289.6 Arrow TSA 1,401.4 3,522.9 47.3 0.0 4,971.6 Boundary TSA 0.0 278.0 0.0 0.0 278.0 Cranbrook TSA 1,432.6 183.8 53.8 0.0 1,670.2 Golden TSA 3,248.9 788.8 18.4 0.0 4,056.1 Invermere TSA 79.7 126.3 0.0 0.0 206.0 Kamloops TSA 15,658.6 10,908.7 1,146.7 0.0 27,714.0 Kootenay Lake TSA 939.3 1,833.3 0.0 0.0 2,772.6 Merritt TSA 30.6 88.4 0.0 0.0 119.0 Okanagan TSA 4,797.9 2,807.0 694.4 0.0 8,299.3 Quesnel TSA 7,858.0 2,293.0 0.0 0.0 10,151 Revelstoke TSA 1,450.5 2,307.6 61.9 0.0 3,820.0 Williams Lake TSA 17,746.1 4,058.5 0.0 0.0 21,804.6 Total 60,909.3 29,220.2 2,022.5 0.0 92,152.0 Forest Tent Caterpillar Kamloops TSA 208.8 645.3 0.0 0.0 854.1 Okanagan TSA 276.7 175.0 0.0 0.0 451.7 Quesnel TSA 8,092.2 1,119.1 0.0 0.0 9,211.3 Williams Lake TSA 0.0 0.0 39.8 0.0 39.8 Total 8,577.7 1,939.4 39.8 0.0 10,556.9 Ministry of Forests, Lands and Natural Resource Operations, Kamloops, B.C. 5
Page 1 and 2: 2012 Overview of Forest Health Cond
Page 3: In t r o d u c t I o n This report
Page 7 and 8: So u t h e r n In t e r I o r ov e
Page 9 and 10: Attack in young lodgepole pine stan
Page 11 and 12: A total of 116,012 hectares of high
Page 13 and 14: we S t e r n he M l o c k lo o P e
Page 15 and 16: BI r c h le a f MI n e r, fe n u s
Page 17 and 18: th o M P S o n ok a n a g a n re g
Page 19 and 20: Aspen decline syndrome became more
Page 21 and 22: Defoliators Western spruce budworm
Page 23 and 24: Defoliators Western spruce budworm
Page 25 and 26: Conifer Defoliators Western spruce
Page 27 and 28: A Douglas-fir Drought-Decline Compl
Page 29 and 30: Bo u n d a rY tSa Bark Beetles Moun
Page 31 and 32: cr a n B r o o k tSa Bark Beetles M
Page 33 and 34: go l d e n tSa Bark Beetles Mountai
Page 35 and 36: ca r I B o o re g I o n Su M M a r
Page 37 and 38: Douglas-fir beetle continued to be
Page 39 and 40: Defoliators As expected, western sp
Page 41 and 42: Thompson Okanagan Region The Thomps
Page 43 and 44: Table 2. List of western spruce bud
Page 45 and 46: Hiller spraying B.t.k. on budworm b
Page 47 and 48: Kootenay Boundary Region A total of
Page 49 and 50: Abbott’s corrected mortality comp
Page 51 and 52: Figure 5. Density and distribution
Page 53 and 54: 2012 Population Monitoring - Result
Page 55 and 56:
Above: Lucy Stad receiving budworm
Page 57 and 58:
One of the cancelled spray areas in
Page 59 and 60:
In the Thompson-Okanagan Region, we
Page 61 and 62:
Figure 9. Average number of western
Page 63 and 64:
There is an ongoing study to calibr
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Larval density ± SEa b Percent mor
Page 67 and 68:
Table 19. Total number of larvae pe
Page 69 and 70:
Table 21. Average number of Douglas
Page 71 and 72:
This stand has records of defoliati
Page 73 and 74:
References Garbutt, R. 1992. Wester
Page 75 and 76:
Be a r IM Pa c t S o n gr o w t h o
Page 77 and 78:
To better understand the progressio
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