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Dissertations / Theses on the topic 'Ontario, Northwestern'

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Published: 4 June 2021

Last updated: 16 February 2022

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1

Van, Ael Susan M. "Modelling barred owl habitat in northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/MQ33461.pdf.

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2

Graham, Gillian. "Does maternal influenza cause schizophrenia?, a northwestern Ontario study." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/MQ33383.pdf.

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3

Koebernick, Christa F. "Neoarchean coastal sedimentation in the Shebandowan group, northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/MQ33400.pdf.

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4

Grondin, Olivier. "Controls on gold mineralization at the Onaman prospect, northwestern Ontario." Thesis, McGill University, 2001. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32997.

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The Onaman property in northwestern Ontario hosts several unusual mesothermal gold occurrences, in which gold is associated with chalcopyrite. This study examines two showings with contrasting mineralization styles. The Ryne showing is underlain by intermediate to felsic metavolcaniclastic rocks, and features a brittle-ductile shear zone with disseminated low-grade gold mineralization, whereas the Hourglass showing contains high concentrations of gold disseminated in narrow felsic dykes.
Mineralization proceeded with an initial stage of pyritization, which decreased aH2S and fO 2 of the fluid, while coeval carbonatization decreased the pH. These changes in physico-chemical parameters lead to the second mineralization stage, in which pyrite was replaced by arsenopyrite and pyrrhotite. Chalcopyrite and gold co-precipitated and both replaced pyrite. The decrease in aH2S, which reduced Au(HS)2- and Cu(HS)2- stabilities, was the principal control of gold and chalcopyrite deposition.
The absence of copper in most mesothermal deposits is explained by the extreme solubility of this metal as a bisulfide complex, which prevents its precipitation as chalcopyrite. The rare occurrence of chalcopyrite at Onaman reflects unusually low solubility of copper due to the combined effects of an abnormally low initial pH of the fluid and a low fluid/rock ratio.

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5

Dunk, Thomas W. (Thomas William). ""It's a workin' man's town" : class and culture in Northwestern Ontario." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74063.

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6

Beverly, Jennifer L. "Management and history of fire in Wabakimi Provincial Park, northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ34157.pdf.

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7

Morimoto, David Seiji. "Fire history of the Coldwater Lakes region of northwestern Ontario, Canada." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ59393.pdf.

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8

Watson, Paul R. "Modelling landscape-level vegetation dynamics in the boreal forests of northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ32282.pdf.

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9

Wheeler, Tanya. "Nesting ecology of a population of red-necked grebes in northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60872.pdf.

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10

Osika, Mary Isabel. "Potential impacts of clearcut logging on lake trout (Salvelinus namaycush) reproduction in northwestern Ontario lakes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0012/MQ33427.pdf.

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11

DeKemp, Eric Anthony Carleton University Dissertation Geology. "Stratigraphy, provenance and geochronology of Archean supracrustal rocks of Western Eyapamikama Lake area, northwestern Ontario." Ottawa, 1987.

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12

Barron, Keith M. "The petrological and metallogenic significance of the alkaline igneous centre at the Springpole Gold Prospect, northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq21277.pdf.

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13

Jung, Sandy. "Critical evaluation of the validity of the Risk/Need Assessment with aboriginal young offenders in northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/MQ33396.pdf.

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14

Borowik, Alexandra. "Structural analysis in the footwall of the Uchi-English River subprovince boundary, Red Lake region, northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0024/MQ33941.pdf.

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15

Ride, Kevin R. "An investigation of wood fibre recovery and related economics of four harvesting systems common to northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0026/MQ52074.pdf.

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16

Parker, Barbara Frances. "Mapping feminist praxis and identity, a case study of women's health activism in northwestern Ontario, 1980-92." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ60860.pdf.

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17

Woodman, Brett. "The Effect of Season of Fire on Post-fire Legacies in Northwestern Ontario Red Pine (Pinus resinosa) Mixedwoods." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/969.

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Prescribed burns are employed in the southern boreal forest of northwest Ontario, Canada, as a method of re-instating fire in this fire-dependent landscape. They are also used to manage fuel loads associated with tree mortality from defoliating insects and from blow-downs, as well as in-site preparation following harvest. The natural fire season in boreal Canada typically runs from April through September and is most often characterized by stand replacing fires. However, prescribed burns in northwestern Ontario are mostly scheduled for October when fire crews and equipment are available and fire hazard is reduced. In this study, three recent fires: a spring prescribed natural fire, a summer wildfire, and a fall prescribed burn were examined to assess the effect of season on post-fire legacies in red-pine mixedwood stands in Quetico Provincial Park, northwestern Ontario. Legacies were assessed by tree, shrub and herb species composition, and by measurements of structure such as litter depth, basal areas of live trees and coarse woody debris. Tree species diversity was nearly identical. Post-fire stand structure varied widely between the different sites. The spring treatment experienced the least mortality of trees (10% of basal area dead); the summer treatment had the highest mortality (100%); and the fall prescribed burn was intermediate with 49% dead. The effect of the fall burn on the forest was probably more intense than that of a comparable natural fall fire because of the way in which it was managed, thus partly compensating for the late season.

This research suggests that all fires are not equal. Different post-fire structure will have lasting ecological implications such as varying edge to interior ratios, and forest habitats. From a policy perspective this is important because maintaining ecological processes including fire is mandated for some provincial parks. In addition, the new Fire Policy for Ontario has established targets to limit wildfires, and permit ecologically renewing fires, without recognition of the variability of the effects of fire or fire legacies.

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18

Cronin-Forsyth, Denise. "A study on the supervision needs of multi disciplinary teams in outpatient mental health programs in Northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ62713.pdf.

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19

Wilson, Sara Justine. "Forest plant community response following clearcutting, fire, and simulated blowdown, in a boreal mixedwood forest in northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape10/PQDD_0002/MQ41003.pdf.

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20

Woodcock, John. "Effects of manual, mechanical, and aerial herbicide conifer release on songbird numbers in regenerating spruce plantations in northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0011/MQ33467.pdf.

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21

Donahue, William Fraser. "The direct and indirect effects of solar ultraviolet radiation in boreal lakes of the Experimental Lakes Area, northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0014/NQ59951.pdf.

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22

Munoz-Marquez, Trujillo Rafael Arturo. "Future climate change impacts on the boreal forest in northwestern Ontario. Implications for the forestry sector and the local community." Thesis, University of Waterloo, 2005. http://hdl.handle.net/10012/1002.

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A large body of research has documented evidence of climate change impact already occurring on different systems on earth, future impacts can be expected. Accordingly, research is urgently needed to analyze the potential impacts of climate change on forest ecosystems in order to contribute to better landscape planning and management. This thesis investigates how climate change affects landscape change, and how to use this understanding in the analysis of land-use and landscape planning and management to adapt to climate change impacts. In particular, this study examines how climate change may impact a managed forest in terms of timber availability, and the regional community that relies on it for its survival.

I hypothesized that the Boreal forest in north western Ontario will change in the short term (i. e. 60 years) in species composition and will produce less available timber as a result of human-induced climate change as modeled by different General Circulation Models plus harvesting, compared to a baseline climate. The study objectives were (a) to evaluate the degree of change in land cover (species composition) under forest harvesting and various climate change scenarios; (b) to analyze timber availability under different climate change scenarios, and harvesting; (c) to describe possible scenarios of land cover change as a result of climate change impact and harvesting to assist in policy-making related to land-use and landscape planning; and (d) to identify possible sources of both land-use conflicts and synergies as a result of changes in landscape composition caused by climate change.

The study area was the Dog-River Matawin forest in north western Ontario (? 8 x 104 ha). It is currently under harvesting. I used the Boreal Forest Landscape Dynamic Simulator (BFOLDS) fire model to simulate landscape change under different climate change scenarios (CCSRNIES A21, CGCM2 A22), which were then compared to simulations under a baseline climate scenario (1961-1990). I also developed an algorithm for the geographic information systems Arc View©, that selected useful stands, and simulated harvesting and regeneration rules after logging, processes not currently included in BFOLDS. The studied period covered 60 years to analyze impacts in the medium term in the landscape change.

Results obtained were the following. (1) There will be a shortage in timber availability under all scenarios including the baseline. The impacts of climate change will cause a deficit in timber availability much earlier under a warmer scenario with respect to the baseline. The combined impact of climate change and harvesting could diminish timber availability up to 35% compared to the baseline by year 2040 under the CCSRNIES A21 scenario mainly due to an increase in fires. Deficits will occur 10 years before in the same scenario compared to the baseline (by year 2035). (2) In both scenarios and the baseline, there will be a younger forest. In 60 years, there will not be mature forest to support ecological, social and economic processes, as the forest will only have young stands. (3) Results obtained indicated that species composition will not change importantly among the scenarios of climate change and the baseline every decade, but there will be a change in dominance along the 60 years of the simulation under each scenario including the baseline. Softwood increased in dominance and hardwood decreased in all scenarios.

The period length used in the simulation of 60 years appeared to be too short to reveal conspicuous changes in species composition. Increases observed in softwood over hardwood related to the increase in fires which promoted the establishment of species such as jack pine as well as the application of regeneration rules after logging. This finding did not agree with the hypothesis. Results of timber availability were consistent with what I expected. Warmest climate change scenarios (CCSRNIES A21) impacted both the amount of timber available (less availability every ten years) from the beginning of the simulation and the time when deficits occurred.

There are important economic, social and environmental implications of the results of this study, namely a future forest that would be young and would supply much less timber. For the forestry industry, production goals would be hindered in the medium term, falling short of industry demands. For a society that depends heavily upon the forest to survive, declining production can imply unemployment, thus affecting the welfare of the community. For the environment, such a young, fragmented forest could be unable to sustain important key species and ecological processes, leading to a loss of biodiversity, Land-use and landscape planning should be used to regulate how the land is used to minimize climate change impact. They should be further used as adaptation tools, to help in ameliorate those climate change impacts that do occur.

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23

Rintoul, Tanya L. "Vegetation response to harvesting, harvesting and prescribed-burning and wildfire in northwestern Ontario, patterns of reproductive strategies and nutrient accumulation." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0028/MQ33439.pdf.

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24

Melling, David Rigby Carleton University Dissertation Geology. "Geological setting, structure, and alteration associated with gold-pyrite mineralization in mafic volcanic rocks at Cameron Lake, Wabigoon subprovince, northwestern Ontario." Ottawa, 1986.

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25

Puttenham, Richard Ryan. "Population fluctuations in mink, Mustela vison, with comparisons to muskrat, Ondatra zibethicus, and ermine, Mustela erminea, in southeastern Manitoba and northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq23464.pdf.

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26

Pettigrew, Neil Thomas. "Copper-nickel-platinum group element mineralization and petrogenesis of mafic-ultramafic intrusions in the western Quetico and Wabigoon Subprovinces, northwestern Ontario, Canada." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26743.

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This project focused on Cu-Ni-PGE mineralization and petrogenesis of mafic-ultramafic intrusions in the western Quetico and Wabigoon Subprovinces of the Superior Province. Two intrusions were singled out for detailed study: the Legris Lake Complex, part of circular series of mafic-ultramafic complexes, which includes the Lac des Iles Complex, located in the Wabigoon Subprovince, and the Samuels Lake Intrusion, part of the Quetico Intrusions, located in the Quetico Subprovince. Legris Lake complex. The Legris Lake Complex is a northeast-trending 7.3 by 3.5 kilometre mafic-ultramafic intrusive complex. It is part of a circular series of mafic-ultramafic complexes, the most notable of which is the Lac des Iles Complex, which is host to Canada's only palladium mine. The Legris Lake Complex consists of mostly gabbroic rocks, but also contains lithologies ranging from anorthosite to wehrlite, and, variety of igneous breccias. The gabbroic rocks vary from melanogabbro to porphyritic leucogabbro. Medium grained, massive, biotite-rich leucogabbro is the predominant exposed variety and probably caps the complex. Samuels Lake intrusion. The Samuels Lake intrusion, ca 2688 +6/-5 Ma, located in the centre of the Quetico Subprovince possesses a northeast-southwest elliptical form (500 m by 250 m) and displays rough concentric zoning with a wehrlite core grading into clinopyroxenite border zone, which has been intruded by later homblendite. Olivine-rich rocks commonly contain blebs of pyrrhotite + chalcopyrite + pentlandite with anomalous PGE values, ranging from 50 to 300 ppb, whereas the clinopyroxenite border zone contains disseminated to blebby PGE-rich Cu-sulphide mineralization. (Abstract shortened by UMI.)

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27

Ciceri, Douglas Lawrence. "The Winnipeg River/Western Wabigoon subprovince boundary, Superior Province, Northwestern Ontario, structural and metamorphic gradients in the Tustin-Bridges-Vermilion Bay Greenstone Belt." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0011/MQ40761.pdf.

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28

Michaud, Michael Julien. "The geology, petrology, geochemistry and platinum-group element-gold-copper-nickel ore assemblage of the Roby Zone, Lac des Iles mafic-ultramafic Complex, northwestern Ontario." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0027/MQ52068.pdf.

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29

Eddy, Jeffrey Baxter. "Estimation of the abundance, biomass and growth of a northwestern Ontario population of finescale dace (Phoxinus neogaeus), with comments on the sustainability of local commercial baitfish harvests." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0028/MQ51705.pdf.

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30

Kingsbury, Melanie V. "DIATOM ASSEMBLAGES IN RELATION TO WATER-DEPTH GRADIENTS IN EIGHT BOREAL SHIELD LAKES FROM NORTHWESTERN ONTARIO, CANADA." Thesis, 2010. http://hdl.handle.net/1974/5938.

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The uncertainty surrounding the impact of future changes in climate and water resources has created renewed interest on how lakes have responded to drought in the past. There is a need to determine potential future available water by understanding past changes in water levels; the underlying ecological characteristics of using diatoms as a proxy for lake-level reconstructions is the basis of this thesis. By integrating knowledge from past water-level fluctuation studies and theories, along with developing a better understanding of diatom ecology in lake systems, more effective techniques are being developed to improve water-depth reconstructions. Diatom assemblages were examined from eight lakes in northwestern Ontario collected in surface sediments along a depth gradient at ~1-m water-depth intervals. Three major zones, based on the composition of diatom assemblages in each lake were consistently identified in all lakes: i) a near-shore assemblage of Achnanthes (sensu lato) species and other benthic taxa (Nitzschia, Cymbella); ii) a mid-depth small Fragilaria (sensu lato)/ small Aulacoseira zone with various Navicula taxa, and iii) a deep-water planktonic zone. The depths at which transitions between these zones are located varied among lakes, and the depth of the transition between the planktonic and benthic zones was consistent with water chemistry variables (e.g. DOC, TP) that are related to light attenuation. Deeper pelagic to benthic transitions occurred in lakes with the lowest DOC and TP (i.e. generally more light attenuation in lakes with higher concentrations of TP or DOC). Other findings included a decrease in species evenness and numbers with depth, along with an increase in scaled chrysophyte relative to diatoms.
Thesis (Master, Biology) -- Queen's University, 2010-07-23 12:36:01.347

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31

Behr, Richard S. "Sulphur dynamics in an experimentally acidified mire in northwestern Ontario." 1986. http://hdl.handle.net/1993/29163.

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32

Haywood, Norman Arthur. "Palaeo-Indians and palaeoenvironments of the Rainy River District, northwestern Ontario." 1987. http://hdl.handle.net/1993/16531.

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33

Tarrant, Marie. "Childhood immunizations : understanding uptake in First Nations communities of Northwestern Ontario." 1995. http://hdl.handle.net/1993/19053.

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34

Shearer, Janene M. "Reading the signs in the Whitefeather Forest cultural landscape, northwestern Ontario." 2008. http://hdl.handle.net/1993/21272.

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35

McTavish, I. Blair. "An assessment of angler attitudes towards fisheries management in northwestern Ontario." 1990. http://hdl.handle.net/1993/22445.

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36

Watson, Paul R. "Modelling landscape-level vegetation dynamics in the boreal forests of northwestern Ontario." 1997. http://hdl.handle.net/1993/1336.

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Successional trends in the boreal forest have been inferred using two approaches: (i) analysis of size and/or age class distributions of trees, and species vital attributes; (ii) enumeration of stands at different ages. The first approach assumes that mortality, natality and growth rates, and life-history strategies, are similar between species. The second approach is restricted to self regenerating, monodominant forests and assumes that the reconstructed successional trends are not confounded by intersite environmental variation. The objective of this study was to develop a succession (vegetation dynamics) model for the boreal forests of northwest Ontario using these two approaches. The data used in this study were collected between 1983 and 1988 as part of the North Western Ontario Forest Ecosystem Classification (FEC) project. A total of 1389 plots enumerated within the ca. 184,000 km$\sp2$ study area were retained for further analysis. Percent cover estimates were obtained for all vascular plants and terricolous cryptograms species within 10 x 10 m plots. Tree and shrub cover were separately enumerated in four height-based vegetation strara. In addition, extensive edaphic data were collected within each plot. An analysis was undertaken to ascertain vegetation-environment relationships and soil variable redundancy. In addition, a synoptic stand dynamic model for the boreal forests of northwestern Ontario was developed. (Abstract shortened by UMI.)

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37

Senior, Sharon. "An analysis of academic achievement among grades 7 to 11 students in a Northwestern Ontario band-controlled school." Thesis, 1993. http://hdl.handle.net/2429/4872.

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The main purposes of this study were to determine if there were (a) correlational relationships between academic self—concept (ASC), general self—concept (GSC), attendance, (ATT), socioeconomic status (SES), and academic achievement (AA) among grades 7 to 11 students in a band—controlled school in Northwestern Ontario; and, (b) if academic self—concept, global self—concept, attendance, and socioeconomic status were predictors of academic achievement. The population sample was 70 Native students; 20 in grade 7, 27 in grade 8, 13 in grade 9, 4 in grade 10, and 6 in grade 11. The results showed: (1) significant correlational relationships between (a) ASC and GSC and SC and ATT for the grades 7—9 students; (b) ASC and ATT for the grades 10-11 students; and, (2) academic achievement was not predicted by any of the variables. Future research concerning Native education is suggested.

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38

FLEAR, Karlee. "Changes in Scaled-Chrsyophyte Assemblages in Response to Recent Climate Change in Northwestern Ontario." Thesis, 2011. http://hdl.handle.net/1974/6813.

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A two-part paleolimnological study was conducted to: i) understand the important factors that are related to the present-day distribution of scaled-chrysophytes; ii) investigate changes in the scaled-chrysophyte assemblages in the Experimental Lakes Area northwestern Ontario, in response to recent climate warming. Scaled-chrysophyte assemblages were analyzed in the modern sediments of 40 ELA lakes to determine their relationship to measured environmental variables. The sediment record from 210Pb dated cores from six ELA lakes were analyzed at a sub-decadal resolution to evaluate if chrysophytes were changing in a consistent fashion and if these changes could be accounted for by measured climatic factors. Ordination analysis of the modern chrysophyte flora was significantly related to pH, lake depth, and the degree of thermal stratification, as well as water temperature. Mallomonas punctifera ‘small’ and Mallomonas acaroides were indicators of warm surface-waters. High-resolution analysis of six ELA lakes revealed pronounced shifts in the chrysophyte assemblages over the last ca. 150 years. The most notable shift in the chrysophyte assemblage was characterized by an overall shift towards higher relative abundances of colonial taxa. In several lakes increases in unicellular warm-water taxa were also observed. Breakpoint Analysis identified significant changes in the chrysophyte assemblages beginning in the late-1800s to mid-1900s in most lakes. An interclass correlation coefficient (ri) was used to assess the temporal coherency of the chrysophyte assemblages over the past ca. 100 years. All lakes displayed a similar directional change which was significantly coherent (p<0.05). A Brien’s Test identified sub-sets of lakes that were temporally coherent and homogenous. The high coherency of two groups, (Group A, grand mean=0.89, p-value=5.3x10-15; Group B, grand mean=0.38, p-value=0.038), suggests the dominance in extrinsic factors in governing the lake responses. The average PCA axis-1 scores of Group A (r-value=0.62, p=0.03) and Group B (r-value=0.60, p=0.038) were significantly correlated to regional mean annual temperature. Collectively, the results of this study suggest that changes observed in the scaled-chrysophyte assemblages in the ELA region are consistent with recent climate warming.
Thesis (Master, Biology) -- Queen's University, 2011-09-29 16:42:06.753

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39

Sanders, Michael R. "Voices from the fire line: Pikangikum Anishinaabeg experiences as provincial forest firefighters in northwestern Ontario." 2011. http://hdl.handle.net/1993/4939.

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This research is an account of Pikangikum Anishinaabeg experiences as provincial forest firefighters in the Red Lake region of Ontario. It illustrates historic and contemporary community roles in firefighting in light of institutional changes that have affected their level of involvement. It describes relationships between Pikangikum Anishinaabeg and Euro-Canadian people within the institution of fire control and details how these relationships have developed and changed since the early years of forest firefighting up to recent times. This story emerged through individual and collaborative analysis of documentary sources and empirical data from interview and participant observation settings. It finds that Pikangikum people excelled within the fire program at Red Lake from the 1930s to the 1970s by combining their pre-existing land-based knowledge with the hands-on training of Ontario Fire Branch representatives. This study also documents a period of decline in Pikangikum people’s presence on seasonal fire crews that began in the mid 1970s as Ontario adopted an increasingly standardized, technocratic approach to firefighting. It concludes by forwarding recommendations and highlighting recent developments which may hold the potential to reinvigorate Pikangikum representation on seasonal fire crews.

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40

Kuluski, Kerry. "Homecare of Long-term Care? The Balance of Care in Urban and Rural Northwestern Ontario." Thesis, 2010. http://hdl.handle.net/1807/24789.

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While some individuals can successfully age at home, others with similar levels of need may require facility based long-term care (LTC). The question addressed in this thesis is: “What factors determine whether or not older persons age at home?” I argue that in addition to the characteristics and care needs of individuals (the demand side); access to home and community care (H&CC) at the local level (the supply side) determines whether or not older people receive care at home relative to other settings. In emphasizing the role of the supply side, I draw on Neoinstitutional Theory and the Theory of Human Ecology to examine how institutions of the state (policies, norms, values, and organizational structures) facilitate or constrain opportunities to age at home across urban and rural areas. In conducting my analysis I draw on the Balance of Care (BoC) framework to analyze the characteristics of individuals waiting for LTC placement in Thunder Bay (urban community) and the surrounding Region (rural communities) of Northwestern Ontario. The BoC framework provides the means to estimate the extent to which their needs could potentially be met in the community if home and community care (H&CC) services were available. The results show that individuals waiting for LTC placement in Thunder Bay experienced higher levels of impairment than those in the Region. However in both areas, most individuals required assistance with instrumental activities of daily living (e.g. housekeeping, meal preparation, etc). In both areas there was limited access to informal caregivers. If a H&CC package were to be made available, 8% of those waiting for facility based LTC in Thunder Bay could potentially be supported safely and cost-effectively at home compared to 50% in the surrounding Region. The results confirm that the supply side matters. When H&CC cannot be accessed, LTC may become the default option, particularly in rural and remote areas. If given access to H&CC, a significant proportion of individuals can potentially age at home.

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41

Curtis, Paul Jefferson. "Biogeochemistry of iron in small Precambrian Shield lakes at the Experimental Lakes Area, northwestern Ontario." 1991. http://hdl.handle.net/1993/17344.

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42

Cortis, Anthony L. "Geology, provenance and depositional environment of the Keewaywin Formation, Sandy Lake greenstone belt, northwestern Ontario." 1992. http://hdl.handle.net/1993/17977.

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HAIG, HEATHER A. "DIATOM-INFERRED CHANGES IN EFFECTIVE MOISTURE FROM GALL LAKE, NORTHWESTERN, ONTARIO, OVER THE PAST TWO MILLENNIA." Thesis, 2011. http://hdl.handle.net/1974/6542.

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The boreal forest of Canada extends across 58% of Canada’s land area providing a large range of ecosystem services including flood control, water filtration, and carbon storage. Despite conservation efforts to protect this ecosystem, the boreal region is still under stress from global stressors including climate change. Anthropogenic climate-change is expected to raise temperatures and decrease precipitation over much of the boreal region increasing the duration and magnitude of droughts. This potential change to a more arid climate could have drastic affects on water levels and stream flows across much of the boreal region. Changes in hydrology, as a consequence of anthropogenic climate change, may result in large changes to aquatic ecosystems. To assess the susceptibility of lakes to climate in northwestern Ontario over the past two millennia, sediment cores from a headwater lake were obtained from near-shore cores to reconstruct changes in drought. The cores were located at a depth where changes in pelagic and benthic diatom assemblages (P: B boundary) were apparent in modern-day sediments because the location has been shown to be susceptible to change. The lake chosen for reconstruction was Gall Lake, a small (surface area = 19 ha, max depth = 18 m, mean depth = 8.5 m), mesotrophic lake (total phosphorus (TP) level of 12.3 μg/L, July 2008), with a gentlysloping eastern basin. This headwater lake in the Winnipeg River Drainage Basin (WRDB) is part of a hydrologically-rich region that is expected to experience increased aridity. Multivariate analysis of diatom assemblages over the past two millennia suggested that the instrumental record does not encompassed the natural variability of this system. The largest decreases in diatom-inferred (DI) depth were synonymous with iii the Medieval Climate Anomaly (MCA), a phenomenon not yet observed this far northeast in North America. The MCA has been proposed as a surrogate for climate change over the next century, therefore the prolonged aridity observed in Gall Lake could aid in the calibration of general circulation models currently used to forecast changes in climate, as well as a scenario that can be used to develop adaptation strategies to future environmental change.
Thesis (Master, Biology) -- Queen's University, 2011-05-27 17:41:02.022

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Ma, Susan. "Climate change and water availability over the last two millennia in Little Raleigh Lake, northwestern Ontario." Thesis, 2011. http://hdl.handle.net/1974/6627.

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The Winnipeg River Drainage Basin (WRDB), located in the boreal forest region of Canada, is a pivotal region of focus for the assessment of water availability to determine susceptibility to drought in the past. To date, there have been relatively few paleolimnological studies focusing on how lake levels have changed in the past and whether these changes have been synchronous in the WRDB. This study investigates temporal patterns in effective moisture from Little Raleigh Lake over the last two millennia. Analyses are based on diatoms from two near-shore sediment cores from different locations and water depth in Little Raleigh Lake. Changes in diatom assemblages are used to reconstruct quantitative estimates of effective moisture in the past through the calibration of a diatom-inferred depth model developed from diatom assemblages in surficial sediments along a depth transect in Little Raleigh Lake. Declines of ~1-3m occurred during the late Holocene, with prolonged periods of aridity consistent with the timing of the Medieval Climate Anamoly (~950-1250AD) and the Little Ice Age (~1650-1750AD). The nearshore core retrieved closer to the present-day ecotone between the benthic and planktonic diatom assemblages was more sensitive to tracking water level changes in the lake than the deeper core. Conditions during the last two millennia can be used for the assessment of water availability in the past, and may offer insight on future conditions under increasing temperatures.
Thesis (Master, Biology) -- Queen's University, 2011-07-29 17:09:49.155

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Pengelly, Ryan D. "Developing and commercializing non-timber forest products: an Anishinaabe perspective from Pikangikum First Nation, Northwestern Ontario." 2011. http://hdl.handle.net/1993/4933.

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The purpose of this research was to understand an indigenous perspective on the development and commercialization of non-timber forest products, such as medicines and foods, in Pikangikum First Nation, Northwestern Ontario, Canada. Framed by a research agreement between Pikangikum First Nation and the University of Manitoba, this collaborative research was based on participant observation, field trips, semi-structured interviews, and community workshops. The appropriate development and commercialization of Anishinaabe mushkeekeeh (medicine) and meecheem (food) requires the guidance of community Elders, Anishinaabe knowledge, and traditional teachings. The community is cautiously interested in developing collaborative, diligent, and culturally respectful partnerships that interface knowledge systems. Benefit sharing means the joint ownership of intellectual property and financial benefits, developing employment and capacity-building opportunities for community members, and planning products for community use. This thesis offers a community perspective on how NTFPs might be researched, developed and commercialized in joint and mutually beneficial partnerships with a First Nation.

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Farkas, Martha Judit. "The population dynamics of Wyeomyia smithii (Coq.) (the pitcher plant mosquito) in Manitoba and northwestern Ontario." 1985. http://hdl.handle.net/1993/29831.

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Rudski, Shelly Marie. "A survey of blue-stain fungi in Northwestern Ontario and characterization of mobile introns in ribosomal DNA." 2011. http://hdl.handle.net/1993/4836.

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This work presents a survey of blue-stain fungi found in Northwestern Ontario, characterization of a homing endonuclease gene within Grosmannia piceiperda and finally an examination of the introns and homing endonuclease genes found in the large ribosomal subunit gene in species of Ceratocystis; using molecular techniques and phylogenetic analysis, we studied the molecular evolution of these mobile genetic elements. The blue-stain fungi of Northwestern Ontario were identified based on phylogenic analysis of rDNA internal transcribed spacer region sequences. This data was supplemented with morphological characteristics of the fungal cultures. The second project was an examination of a LAGLIDADG homing endonuclease and its IC2 group I intron. This intron is uniquely positioned within the group I intron-encoded rps3 gene of the large subunit ribosomal RNA gene. The final chapter is an investigation of the large subunit ribosomal RNA gene in species of Ceratocystis. The 3’ segment of this gene contains several novel introns and homing endonuclease genes. There is also much diversity between strains despite their close relation on the rDNA internal transcribed spacer region phylogenetic tree. Further, our data also suggest that the single motif LAGLIDADG homing endonuclease of the rDNA mL1923 intron is likely to be an ancestor to other homing endonucleases in the area. The results of these studies demonstrate the role that these elements play in the genetic diversity observed in the blue-stain fungi.

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Miller, Andrew Martin. "Living with boreal forest fires : Anishinaabe perspectives on disturbance and collaborative forestry planning, Pikangikum First Nation, Northwestern Ontario." 2010. http://hdl.handle.net/1993/21415.

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Webb, Robyn. "An analysis of innovative practices for municipal government support of community economic development in Western Canada & Northwestern Ontario." 2012. http://hdl.handle.net/1993/13696.

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This research project explored the relationship between municipal governments and community economic development (CED). It identified the unique role that municipal governments play in promoting CED, gives policy recommendations for advancing the transformative and innovative elements of CED within local governments, and identified models of innovative practice in municipal policy related to CED. The project focused on medium-sized municipalities in British Columbia, Alberta, Saskatchewan, Manitoba and northern Ontario. The thesis profiles important roles that municipalities play in supporting CED and uses examples from the research to illustrate these roles. Lastly, Haughton’s (1998) multifaceted definition of CED (p. 876) was used to place each municipality on a spectrum from ‘localist transformative’ CED to ‘gap filling’ CED and examples were given from the research to show which municipalities had the strongest and most innovative support of CED and those that were less successful.

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Landon, Rocky. "We Can Do It (Education) Better: An Examination of Four Secondary School Approaches for Aboriginal Students in Northwestern Ontario." Thesis, 2012. http://hdl.handle.net/1807/34776.

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The following study is an exercise in understanding how educators can improve their professional practice in terms of addressing the needs of Aboriginal high school students. The study was delimited to four different high schools in Northwestern Ontario in order to develop a broader understanding of best practices used by various school communities. Interviews were conducted with students and educational professionals such as teachers, administrators, guidance personnel and school board members. The study was completed over a period of one week, where one day was spent in each school completing interviews. This study is unique in two ways: it presents the voices of secondary school educators (which had scarcely been reported or heard in the academic community) outlining the direction in which Aboriginal education should go and secondly, as a researcher I attempted to use the medicine wheel as a model for completing and conducting research. There were a number of findings that appeared through the interviews. Teachers and administrators agreed that in order for Aboriginal students to succeed they needed to have involved parental support. It was important to teachers that parents take an active role in the educational life of their child. Additionally, it was acknowledged that First Nation communities were ideal settings for schooling of Aboriginal students as they were supported by family and community kinships. Yet in this study, it was also acknowledged that First Nation schools suffered financially in comparison to provincial schools. They were not able to provide programming comparable to provincial schools and iii were limited to a barebones program with compulsory courses being offered. In some cases, if students failed a course, they were not able to participate in the rest of the school program, until the course was re-taught in two years. Despite these shortcomings, students might do better in First Nation based schools if they were adequately funded with current resources and adequately compensated teachers. This study offers some suggestions on how to improve the practice of educating First Nation secondary students.

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