Results 71 to 80 of about 382 (145)
Spruce Budworm Detection in North Dakota Shelterbelts and Nurseries With a Synthetic Sex Attractant [PDF]
, 1975 The spruce budworm, Choristoneura fumiferana IClemens) ILepidoptera: Tortricidae), is one of the most damaging insects of eastern forests. Its host range includes balsam fir and various species of spruce, and it sometimes feeds on larch and pine ...
Tagestad, A. D.
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MOOSE AND DEER POPULATION TRENDS IN NORTHWESTERN ONTARIO: A CASE HISTORY
Alces, 2017 Many interrelated factors contribute to the rise and fall of white-tailed deer (Odocoileus virginianus) and moose (Alces alces) populations in the mixed boreal forests of eastern North America where these species often cohabit.
Bruce Ranta, Murray Lankester
doaj
Science of Remote SensingCharacterizing the extent, severity, and persistence of natural disturbances in forests is crucial in areas as large and heterogeneous as the Canadian boreal forest.
Tommaso Trotto +4 more
doaj +1 more source
Spruce budworm outbreaks and the incidence of vagrancy in eastern North American wood-warblers
, 1998 The Tennessee (Vermivora peregrina), Cape May (Dendroica tigrina), Bay-breasted (D. castanea), and Canada (Wilsonia canadensis) warblers and the Ovenbird (Seiurus aurocapillus) appear to show positive numerical responses to outbreaks of the spruce ...
Jutta C Burger, Michael A Patten
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Chronology of spruce budworm outbreaks near Lake Duparquet, Abitibi region, Quebec
, 1993 The chronology of eastern spruce budworm Choristoneura fumiferana was determined for 200 yr using dendroecological methods. Growth patterns of two budworm host species, balsam fir Abies balsamea and white spruce Picea glauca were compared with white ...
Laprise, Danielle +2 more
core +1 more source
Long-term spruce budworm outbreak dynamics reconstructed from subfossil trees
, 2011 We reconstructed the long-term spruce budworm (SBW) (Choristoneura fumiferana Clem.) outbreak dynamics in the boreal forest of Quebec (Canada) using a dendrochronological approach with subfossil trees.
Cornelia Krause +5 more
core +1 more source
, 1998 The eastern spruce budwonn, Choristoneuva fumiferana (Clem.) (Lepidoptera: Tortricidae), is subject to a variety of naturally occurring infectious diseases including nuclear polyhedrosis virus (NPV), granulosis virus (GV), cytoplasmic virus (CPV), and ...
P.M. Ebling, W.J. Kaupp
core +1 more source
, 1998 The parasitoids of epidemic and endemic spruce budworm populations were studied in eastern Manitoba in the summers of 1994 and 1995. Three sites were established, two in epidemic budworm populations, and one in an endemic budworm population.
Zebrowski, Deirdre A.
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, 2001 We investigated interactions between Bacillus thuringiensis Berliner var. kurstaki and parasitoids that attack late instars of the eastern spruce budworm, Choristoneura fumiferana (Clemens).
Schoenmaker, A. +5 more
core +2 more sources
ULV/CDA optimum spray droplet size for control of the eastern spruce budworm in Canada
, 1981 The post-World War II availability of aeroplanes and pilots and synthetic insecticides provided Canadian forest managers with the means of controlling devastating plague outbreaks of spruce budworm.
J A Armstrong
core +1 more source