Browsing Undergraduate theses by Title
Now showing items 181-200 of 325
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Impacts of climate change on the Monarch butterfly in Ontario; a citizen science-based approach
(2024)The Monarch butterfly [Danaus plexippus (Linnaeus, 1758)], is an iconic insect native to North America. This butterfly is a migratory insect that flies to an overwintering site in Mexico every year. It is considered an ... -
Impacts of different forest watershed composition factors on soil condition in upstream of Miyun Reservoir Watershed, nothern China and its current situation
(2020)This thesis explores the Miyun Reservoir Watershed’s soil condition and the current situation it faces now. Miyun Reservoir is located in northern Beijing and has more than sixty years of history. It is the primary water ... -
Impacts of different harvesting methods on forest environment
(2019)Harvesting methods are an important component of forestry management. Determining the impact of harvesting methods on forest environment can help us to do it more efficiently. In this paper, the methods, impact and intensive ... -
Impacts of invasive earthworms on carbon storage in southern boreal hardwood forests
(2017)The introduction of invasive, non-native earthworms into forest ecosystems has increased as recreational, industrial, and commercial activities increase in northern Ontario. The presence of these ecosystem engineers in ... -
The impacts unnatural foods have on hibernation and health in American Black Bears
(2021)As humans encroach more and more into wild spaces, we will continue to see an increase in the negative impacts our lives have on those of the animals we share these spaces with. One of these ways is through our food. In ... -
Implementing a tree pruning cycle into the city of Thunder Bay
(2021)Several cities in Ontario and across Canada were contacted regarding their tree pruning programs. Of the ten from Ontario that responded, seven had a cyclical tree pruning program. Annual budgets ranged from $50,000 up ... -
The importance of container material in stored water quality
(2022)Water is one of the primary resources to sustain human life. The quality of good water and air are important factors to protect human health and the environment. The impact of container material on stored water quality ... -
Increasing diameter growth content of red pine (Pinus Resinosa) through intensive management
(2017)Intensive forest management can only be justified if it increases wood quality or yield sufficiently to compensate for the additional investment. Treatments such as thinning and/or pruning are typically only applied to ... -
Increasing fruit production in wild populations of pawpaw (Asimina Triloba (L) Dunal) trees in southern Ontario
(2023)The pawpaw (Asimina triloba (L) Dunal) is a unique native understory tree species found in the Deciduous and Carolinian forest regions in Southern Ontario. It is at the edge of its range in Ontario, most of the population ... -
Indigenous led conservation – a critical review of Traditional Ecological Knowledge
(2022)Evaluating the importance of Indigenous - Based Conservation with a critical review of Traditional Ecological Knowledge Studies can provide a useful framework for future management efforts. Traditional Knowledge and ... -
Indirect effects of climate change and forest fragmentation on breeding bird abundance in Ontario
(2022)From data on forest breeding bird species in the Atlas of Breeding Birds of Ontario, this thesis summarizes population changes from 1981 to 2005 and all the direct and indirect reasons that may lead to the decline of these ... -
Industrial biochar characterization : properties and potential applications
(2021)Biochar is a carbon-rich charcoal produced from pyrolyzed biomass such as wood, agricultural waste, or animal products. Biochar is primarily used as a soil amendment, but it has promising applications in carbon sequestration, ... -
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 ... -
Integrated resource management options for the jack pine budworm (Choristoneura pinus pinus) outbreak around Pikangikum First Nation
(2023)The outbreak of jack pine budworm (Choristoneura pinus pinus) on the Whitefeather Forest was examined to identify a correlation between the large fires and the outbreak. Maps and literature regarding both disturbances were ... -
Interfamily variation in wood quality of black spruce in a northwestern Ontario progeny trial
(2020)The right trees for replanting must be selected to ensure optimal future forest conditions. Based on desired future outcomes, various progenies can be selected to suit these needs. In Canada, black spruce (Picea mariana), ... -
Intraspecific height variation of white spruce provenances in Ontario
(2020)Provenance tests in Ontario have been used for decades to evaluate the optimal seed sources for different environments. Understanding the genetics, adaptations and selection pressures of tree species using provenance ... -
The invasion of dreissenid mussels into Lake Simcoe and their effect on benthic invertebrates
(2021)The establishment of dreissenid mussels (zebra mussel, Dreissena polymorpha and the quagga mussel Dreissena rostriformis bugensis) in Lake Simcoe in 1997 and 2008, respectively, in Lake Simcoe has drastically altered ... -
The invasion of garlic mustard in North America and control measures
(2022)The purpose of this report is to investigate the impact of garlic mustard invasion on forest and control measures. Invasive species often cause harm to local ecosystems. Garlic mustard is an invasive herb native to Europe ... -
Invasive plant cover and density following emerald ash borer-induced mortality in southern Ontario forests
(2022)The emerald ash borer has caused widespread ash mortality in eastern North American forests, where forest managers are also facing challenges due to invasions of undesirable exotic plant species. This study aims to explore ... -
Invasive plant species management for the city of Thunder Bay
(2020)Non-native plant species are being introduced into new environments at an increasing rate due to globalization and increased levels of trade. As such, the field of invasive plant management must constantly evolve in order ...