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Publications by R.L. Ferris

66 records.

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Forest insect and disease conditions, Kamloops forest region, 1995
Koot, H.P.; Ferris, R.L.
Year: 1996    Catalog ID: 4265
Available from: Pacific Forestry Centre
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European Pine Shoot Moth
Ferris, R.L.
Year: 1996    Catalog ID: 4318
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Prince George forest region, 1994
Ferris, R.L.; Humphreys, N.
Year: 1995    Catalog ID: 4025
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo forest region, 1994
Erickson, R.D.; Ferris, R.L.
Year: 1995    Catalog ID: 4036
Available from: Pacific Forestry Centre
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Summary of forest pest conditions in the Kamloops forest region
Koot, H.P.; Ferris, R.L.
Year: 1995    Catalog ID: 4156
Available from: Pacific Forestry Centre
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Summary of forest pest conditions in the McGregor Model Forest, 1995
Ferris, R.L.; Erickson, R.D.
Year: 1995    Catalog ID: 4172
Available from: Pacific Forestry Centre
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Larch casebearer in British Columbia
Ferris, R.L.
Year: 1995    Catalog ID: 4191
Available from: Pacific Forestry Centre
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Two-year-cycle spruce budworm in the Prince George forest region
Ferris, R.L.; Humphreys, N.
Year: 1994    Catalog ID: 29297
Available from: Pacific Forestry Centre
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Summary of forest pest conditions in the Prince George forest region
Humphreys, N.; Ferris, R.L.
Year: 1994    Catalog ID: 29302
Available from: Pacific Forestry Centre
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Forest tent caterpillar in the Prince Geroge region 1994 damage and forecast for 1995
Ferris, R.L.; Humphreys, N.
Year: 1994    Catalog ID: 29313
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo Forest Region, 1993
Erickson, R.D.; Ferris, R.L.
Year: 1994    Catalog ID: 3406
Available from: Pacific Forestry Centre
CFS Availability: Print (free), PDF (download)
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Forest insect and disease conditions, Prince George Forest Region, 1993
Humphreys, N.; Ferris, R.L.
Year: 1994    Catalog ID: 3430
Available from: Pacific Forestry Centre
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Forest tent caterpillar in British Columbia. 1935-1993
Ferris, R.L.
Year: 1994    Catalog ID: 3496
Available from: Pacific Forestry Centre
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Eastern spruce budworm in the Fort Nelson Forest District
Ferris, R.L.
Year: 1994    Catalog ID: 3509
Available from: Pacific Forestry Centre
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Spruce weevil population monitoring plots
Humphreys, N.; Ferris, R.L.
Year: 1993    Catalog ID: 29292
Available from: Pacific Forestry Centre
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Saddleback looper
Ferris, R.L.
Year: 1993    Catalog ID: 3314
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Prince George Forest Region 1992
Humphreys, N.; Ferris, R.L.
Year: 1993    Catalog ID: 3376
Available from: Pacific Forestry Centre
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Two-year-cycle spruce budworm in the Prince George and Quesnel Forest District
Ferris, R.L.; Erickson, R.D.
Year: 1993    Catalog ID: 3466
Available from: Pacific Forestry Centre
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Forest tent caterpillar in the Prince George Region
Humphreys, N.; Ferris, R.L.
Year: 1993    Catalog ID: 3470
Available from: Pacific Forestry Centre
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Two-year-cycle spruce budworm in the Ft. St. James and Mackenzie Forest Districts
Humphreys, N.; Ferris, R.L.
Year: 1993    Catalog ID: 3477
Available from: Pacific Forestry Centre
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Eastern spruce budworm in the Prince George Forest Region
Ferris, R.L.
Year: 1993    Catalog ID: 3478
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo Forest Region, 1992
Erickson, R.D.; Ferris, R.L.
Year: 1993    Catalog ID: 3516
Available from: Pacific Forestry Centre
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Two-year-cycle Spruce Budworm in the Prince George and Quesnel Forest Districts
Ferris, R.L.; Erickson, R.D.
Year: 1992    Catalog ID: 34144
Available from: Pacific Forestry Centre
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Forest tent caterpillar, Malacosoma disstria Prince George Forest Region 1991 damage and forecast for 1992
Humphreys, N.; Ferris, R.L.
Year: 1992    Catalog ID: 31591
Available from: Pacific Forestry Centre
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Eastern Spruce Budworm in the Prince George Forest Region
Ferris, R.L.
Year: 1992    Catalog ID: 31602
Available from: Pacific Forestry Centre
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Two-year-cycle spruce budworm in the Prince George Forest Region
Ferris, R.L.; Humphreys, N.
Year: 1992    Catalog ID: 31629
Available from: Pacific Forestry Centre
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Forest tent caterpillar in trembling aspen in the Prince George Forest Region
Humphreys, N.; Ferris, R.L.
Year: 1992    Catalog ID: 31630
Available from: Pacific Forestry Centre
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Summary of forest pest conditions in the Prince George Forest Region
Humphreys, N.; Ferris, R.L.
Year: 1992    Catalog ID: 31633
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo Forest Region 1991
Erickson, R.D.; Ferris, R.L.
Year: 1992    Catalog ID: 3166
Available from: Pacific Forestry Centre
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Western false hemlock looper in British Columbia 1947-1991
Ferris, R.L.
Year: 1992    Catalog ID: 3167
Available from: Pacific Forestry Centre
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Western false hemlock looper
Ferris, R.L.
Year: 1992    Catalog ID: 3168
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Prince George Forest Region 1991
Humphreys, N.; Ferris, R.L.
Year: 1992    Catalog ID: 3173
Available from: Pacific Forestry Centre
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Forest tent caterpillar in the Prince George Region
Humphreys, N.; Ferris, R.L.; Wood, C.S.
Year: 1991    Catalog ID: 31562
Available from: Pacific Forestry Centre
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Two-year cycle spruce budworm in the Prince George and Cariboo Forest Regions
Ferris, R.L.; Erickson, R.D.
Year: 1991    Catalog ID: 31564
Available from: Pacific Forestry Centre
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Summary of forest pest conditions Prince George Forest Region
Humphreys, N.; Ferris, R.L.
Year: 1991    Catalog ID: 31569
Available from: Pacific Forestry Centre
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History of important forest pests in the Yukon Territory, 1952 - 1990
Ferris, R.L.
Year: 1991    Catalog ID: 26380
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo Forest Region 1990
Erickson, R.D.; Ferris, R.L.
Year: 1991    Catalog ID: 3087
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Yukon Forest Region 1990
Ferris, R.L.
Year: 1991    Catalog ID: 3088
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Prince George Forest Region 1990
Turnquist, R.; Ferris, R.L.
Year: 1991    Catalog ID: 3093
Available from: Pacific Forestry Centre
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Two-year-cycle spruce budworm in the Prince George and Quesnel Forest Districts
Ferris, R.L.
Year: 1990    Catalog ID: 31009
Available from: Pacific Forestry Centre
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Forest tent caterpillar in the Prince George area
Turnquist, R.; Ferris, R.L.
Year: 1990    Catalog ID: 31010
Available from: Pacific Forestry Centre
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Forest tent caterpillar and large aspen tortrix in Trembling Aspen in the Prince George Forest Region
Turnquist, R.; Ferris, R.L.
Year: 1990    Catalog ID: 31012
Available from: Pacific Forestry Centre
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Eastern and two-year-cycle spruce budworms in Spruce fir forests in the Prince George Forest Region
Turnquist, R.; Ferris, R.L.
Year: 1990    Catalog ID: 31013
Available from: Pacific Forestry Centre
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Summary of forest pest conditions in the Cariboo Forest Region
Erickson, R.D.; Ferris, R.L.
Year: 1990    Catalog ID: 31015
Available from: Pacific Forestry Centre
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Summary of forest pest conditions Prince George Forest Region
Turnquist, R.; Ferris, R.L.
Year: 1990    Catalog ID: 31018
Available from: Pacific Forestry Centre
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Summary of forest pest conditions in the Yukon Territory
Ferris, R.L.
Year: 1990    Catalog ID: 31021
Available from: Pacific Forestry Centre
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Forest tent caterpillar, Prince George Forest Region 1990 update and forecast for 1991
Turnquist, R.; Ferris, R.L.
Year: 1990    Catalog ID: 31028
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo Forest Region 1989
Erickson, R.D.; Ferris, R.L.
Year: 1990    Catalog ID: 2989
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Prince George Forest Region 1989
Turnquist, R.; Ferris, R.L.
Year: 1990    Catalog ID: 2994
Available from: Pacific Forestry Centre
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Forest tent caterpillar population increase in the Prince George Forest region
Turnquist, R.; Ferris, R.L.
Year: 1989    Catalog ID: 30992
Available from: Pacific Forestry Centre
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Forest tent caterpillar in the Prince George area 1989 update and forecast for 1990
Turnquist, R.; Ferris, R.L.
Year: 1989    Catalog ID: 30997
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Cariboo Forest Region 1988
Erickson, R.D.; Ferris, R.L.
Year: 1989    Catalog ID: 2888
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Prince George Forest Region 1988
Turnquist, R.; Ferris, R.L.
Year: 1989    Catalog ID: 2894
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Vancouver Forest Region 1987
Humphreys, N.; Ferris, R.L.
Year: 1988    Catalog ID: 2770
Available from: Pacific Forestry Centre
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A canker fungus, Nitschkia molnarii in association with a bark miner, Laspeyresia pseudotsugae in young Douglas-fir near Campbell River
Ferris, R.L.
Year: 1987    Catalog ID: 30889
Available from: Pacific Forestry Centre
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Winter moth, Operophtera brumata egg hatch in Victoria, B.C
Ferris, R.L.
Year: 1987    Catalog ID: 30890
Available from: Pacific Forestry Centre
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Balsam woolly aphid, Adelges piceae extend beynd the regulation area in the Vancouver Forest Region
Ferris, R.L.
Year: 1987    Catalog ID: 30891
Available from: Pacific Forestry Centre
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Balsam woolly aphid, Adelges piceae on West Thurlow Island near Campbell River
Ferris, R.L.
Year: 1987    Catalog ID: 30893
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Vancouver Forest Region 1986
Humphreys, N.; Ferris, R.L.
Year: 1987    Catalog ID: 2684
Available from: Pacific Forestry Centre
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Winter moth in Victoria
Ferris, R.L.
Year: 1986    Catalog ID: 30876
Available from: Pacific Forestry Centre
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Western tent caterpillar in the Vancouver Region in 1986, and 1987 forecast
Ferris, R.L.
Year: 1986    Catalog ID: 30880
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Kamloops Forest Region, 1985
Erickson, R.D.; Ferris, R.L.
Year: 1986    Catalog ID: 2579
Available from: Pacific Forestry Centre
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Larch budmoth defoliation of western larch Nelson and Kamloops Regions
Ferris, R.L.; Turnquist, R.
Year: 1985    Catalog ID: 30866
Available from: Pacific Forestry Centre
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Forest insect and disease conditions, Kamloops Forest Region, 1984 (File Report- Not for publication)
Erickson, R.D.; Ferris, R.L.
Year: 1985    Catalog ID: 26377
Available from: Pacific Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease conditions, Kamloops Forest Region, 1983 (File Report)
Erickson, R.D.; Ferris, R.L.
Year: 1984    Catalog ID: 26381
Available from: Pacific Forestry Centre
CFS Availability: PDF (download)
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Forest insect and disease conditions - Kamloops Forest Region 1982 (File Report - Not for publication)
Wood, R.O.; Ferris, R.L.
Year: 1983    Catalog ID: 5110
Available from: Pacific Forestry Centre
CFS Availability: PDF (download)
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This may not be a complete list of the author's publications. This list provides the author's publications since he or she joined, or worked in cooperation with, the CFS. When available, another link is provided for periods of work elsewhere.