|
Results 1 - 10 from 26 for spruce budworm in 0.194 sec.
Saskatchewan Environmental Society — Parks Canada to Spray Waskesiu Town Site for Spruce Budworm
The spruce budworm outbreak is a natural part of the boreal forest ecology. 80% of the trees in the town site will survive the spruce budworm outbreak. For those white spruce that do die as a result of budworm, death is not immediate; trees can survive for up to 20 years. Regardless of the spruce budworm issue, the spruce canopy ...
environmentalsociety.ca
Infestation of Spruce Budworm in Michigan
Infestation of Spruce Budworm in Michigan Natural Disturbances This map depicts the range of infestation and defoliation due to Spruce Budworm [Choristoneura fumiferana (Clemens) Lepidoptera: Tortricidae] in Michigan over time. Data are from Michigan ...
www.ncrs.fs.fed.us
Infestation of Spruce Budworm in Minnesota
Infestation of Spruce Budworm in Minnesota Natural Disturbances This map depicts the range of infestation and defoliation due to Spruce Budworm [Choristoneura fumiferana (Clemens) Lepidoptera: Tortricidae] in Minnesota over time. Data are from Minnesota ...
www.ncrs.fs.fed.us
More from this site
Colorado Partners in Flight
(Dendroctonus pseudotsugae) Douglas-fir tussock moth (Orgyia pseudotsugata) Englemann spruce beetle (Dendroctonus rufipennis) dragonfly spp. (Aeshna) & (Libellula spp.) fruit worm caterpillar ... confusus) pinyon needle scale (Matsucoccus acalyptus) tree cricket (Oecanthus spp.) western spruce budworm (Choristoneura occidentalis) Mammals badger (Taxidea taxus) coyote (Canis latrans) elk (Cervus ...
www.rmbo.org
Climate Change: Impacts - Forest Impacts
North American boreal forest, the white spruce. Over the coming decades, scientists predict continued hot summer temperatures associated with climate change ... to expand the ranges and enhance the survival rates of forest pests such as the spruce budworm and the mountain pine beetle. Infestations of the mountain pine beetle are normally controlled ...
davidsuzuki.org
Forest Management Policies on the Colorado Plateau
Swetnam, T. W. and Lynch, A. M. 1993. Multi-century, regional-scale patterns of western spruce budworm history. Ecological Monographs 63: 399-424. USDA Forest Service. 1974. Opportunities for increasing water yields ...
www.cpluhna.nau.edu
Changed Southwestern Forests: Resource effects and management remedies (part 3 of 3)
Researchers have found that bark beetles, mountain pine beetle, Douglas-fir beetle, spruce budworm, and dwarf mistletoe are among those pests that expand as forests become more dense (Johnson ...
www.cpluhna.nau.edu
More from this site
EEK! - The White Spruce
The White Spruce EEK! - . White Spruce (Picea glauca) The white spruce reaches 60-80 feet with a wide crown (top). Lower branches curve upward from the trunk. You'll the white spruce living in ... also a favorite holiday tree. Unfortunately, the spruce budworm has caused a lot of damage to this species in Wisconsin. In swampy areas the spruce and tamarack provide cover for northern wildlife--moose ...
www.dnr.state.wi.us
Bacillus Thuringiensis
B.t.k. application to control spruce budworm in Oregon.69 In untreated areas, the number of species was above 30 percent higher ... .C. 1990. Effects of a microbial insecticide, Bacillus thuringiensis kurstaki, on nontarget Lepidoptera in a spruce budworm-infested forest. J. Res. Lepid 29(4):267-276. 70. Crawford, R. 1993. Interim one ...
www.eap.mcgill.ca
Spiders
U.S. Forest Service has enlisted spiders in the war against the spruce budworm, the Northeast's most devastating enemy of spruce and fir forests. Because each spider can eat five or six ...
www.eap.mcgill.ca
More from this site
The results are filtered
View all results for spruce budworm
|
