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T.R. Torgersen

14

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287

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Trees and logs important to wildlife in the interior Columbia River basin. Forest Service general technical report

1997
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Trees and logs Important to wildlife In the Interior Columbia River Basin

1997 SECURITY | USENIX Security Symposium
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Field Guide for the Identification of Snags and Logs in the Interior Colombia River Basin

1997
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Treatment of an old-growth stand and its effects on birds, ants, and large woody debris: A case study. Forest Service general technical report

1995
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No long-term impact of carbaryl treatment on western spruce budworm populations and host trees in the Malheur National Forest, Oregon

1995 Forest Science
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Patterns of occurrence and new sampling implications for instar IV western spruce budworm (Lepidoptera: Tortricidae)

1993 Forest Science
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Phenology of Douglas-fir tussock moth, Orgyia pseudotsugata, egg eclosion and mortality in a thinned and unthinned stand (Lepidoptera: Lymantriidae)

1987 Pan-pacific Entomologist
- B. E. Wickman
- T.R. Torgersen
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Sampling the western spruce Budworm: fourth Instars, Pupae, and egg masses

1984 Forest Science
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A suggested role for predaceous birds and ants in the population dynamics of the Western spruce budworm

1983 Forest Science
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FIELD APPLICATION OF SYNTHETIC DOUGLAS-FIR TUSSOCK MOTH SEX PHEROMONE DID NOT REDUCE EGG PARASITISM BY TWO HYMENOPTERA 1

1979 Canadian Entomologist
- L. L. Sower
- T.R. Torgersen
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Citations (5)