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Now showing items 201-210 of 233
Outplanting performance of Pinus strobus, Pinus resinosa, Pinus banksiana, and Picea glauca from different nurseries, and with different container types within Algonquin Park
(2020)
Understanding planting performance of seedlings is integral to the forest industry of Canada. Many factors are involved in the performance of the seedlings once planted in the field. Factors include site conditions, planter ...
The effect of Bacillus thuringiensis serotype kurstaki (Btk) as an insecticide on jack pine budworm in the 2019 Northern Ontario spray program in comparison to historical use
(2020)
Bacillus thuringiensis (Bt) has been used historically as an insecticide by the
Ontario Ministry of Natural Resources and Forestry (OMNRF) to suppress jack pine
budworm populations in dense outbreaks. In some previous ...
The response of avian predator populations to forest tent caterpillar (Malacosoma disstria; Lepidoptera: Lasiocampidae) outbreaks in Ontario, Canada
(2020)
Outbreaks of insect defoliators have broad ecological effects on forested
ecosystems because they can cause extensive mortality in host tree
populations. They also represent peaks in the density of food for specialist ...
The impact of invasive thistle species on dynamics of Cercopidae in the Stikine-Skeena region of northern British Columbia
(2020)
During the Summer of 2019 I worked on suppressing invasive species spread in the Stikine-Skeena region of Northern British Columbia. I frequently observed invasive thistle species of the genus Cirsium hosting abundant ...
Potential factors that influence the silvicultural status of a stand based on its silvicultural background
(2020)
The silvicultural effectiveness monitoring program is important in determining the silvicultural status of a stand. Each stand can be classified as being a silvicultural success (SS), regeneration success (RS), or not ...
Control measures of gypsy moth and the effect of STS modeling in Canada
(2020)
Gypsy moths are an introduced invasive species which causes decline in oak and maple in southern Ontario. In 1869 the moth was introduced into Massachusetts by Leopold Trouvelot, whose mission was to start a silk industry ...
Strategies to reduce the decline of wild bumble bees in North America: are they working?
(2020)
Bumble bees are major pollinators of the world’s agricultural crops and wild plants and, as such, play a key role in maintaining economic prosperity and biodiversity. The decline of wild bumble bees in North America has ...
A comparison microplastics effects on atlantic cod (Gadus morhua) and blue mussels (Mytilus edulis)
(2020)
This thesis explores the potential impacts that can occur in Atlantic cod and blue mussels resulting from the ingestion of microplastic particles based on a review of previously published studies. This thesis summarizes ...
The effects of plantation spacing on Pinus resinosa wood density variation and managing for increased carbon sequestration
(2020)
Pinus resinosa is found throughout a large portion of eastern North America.
Dating back to the early settlement era, wood utilization has varied from solely
infrastructure to bioenergy and carbon sequestration. Although ...
An inquiry into the fungal diversity associated with the galls formed by Pemphigus betae Doane
(2020)
Leaves affected by galls induced by the aphid Pemphigus betae were collected
from a Populus balsamifera tree located near the community garden on the campus of
Lakehead University Thunder Bay. Out of the galls that were ...