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Well-spaced and free-growing: effects and interactions of ecosite and renewal treatments on regenerating stands in northwestern Ontario

dc.contributor.advisorWang, Jian
dc.contributor.authorCampbell, Christa
dc.date.accessioned2019-11-12T20:21:16Z
dc.date.available2019-11-12T20:21:16Z
dc.date.created2019
dc.date.issued2019
dc.identifier.urihttp://knowledgecommons.lakeheadu.ca/handle/2453/4469
dc.description.abstractEffective renewal of harvested stands in Ontario is mandated in the Crown Forest Sustainability Act (CFSA 1994). Properly prescribed silviculture leads to forested stands that are regenerated successfully, have predictable future yields, increased value, and will meet management objectives. Regeneration status in Ontario is determined by the Well-Spaced Free-Growing Regeneration (WSFG) Assessment Procedure. The objective of this study is to determine the effects and interactions of ecosite and renewal treatments on the number of WSFG trees per plot evaluated using the WSFG Regeneration Assessment Procedure on Blackwater Blocks of the Lake Nipigon Forest in northwestern Ontario. Five null hypotheses resulted from the review of current literature: that 1) ecosite, 2) regeneration method, 3) mechanical site preparation and 4) chemical herbicide application, do not have a statistically significant effect on the number of WSFG trees per plot. The fifth hypothesis was that the interaction of ecosite, regeneration method, mechanical site preparation, and herbicide application does not have statistically significant effect on the number of WSFG trees per plot. In testing these null hypotheses, an analysis of plot data included a two-way ANOVA with ecosite and herbicide treatment, and one-way ANOVAs for ecosite and regeneration methods. A plot level statistical analysis was also used to supplement these results. Results of the ANOVAs indicate that ecosite and regeneration method both have a statistically significant effect on the number of WSFG trees per plot. Independent t-test findings were that mechanical site preparation does not significantly effect on the number of WSFG trees per plot, but herbicide application does. The key finding is that ecosite specific prescriptions for renewal treatments will lead to more WSFG trees per plot and establishment of stands which achieve the desired future forest conditions.en_US
dc.language.isoen_USen_US
dc.subjectBoreal foresten_US
dc.subjectJack Pineen_US
dc.subjectLake Nipigon foresten_US
dc.subjectMechanical site preparation (forestry)en_US
dc.subjectSilvicultureen_US
dc.subjectRenewal of harvested stands (Ontario)en_US
dc.titleWell-spaced and free-growing: effects and interactions of ecosite and renewal treatments on regenerating stands in northwestern Ontarioen_US
dc.typeThesisen_US
etd.degree.nameHonours Bachelor of Science in Forestryen_US
etd.degree.levelBacheloren_US
etd.degree.disciplineNatural Resources Managementen_US
etd.degree.grantorLakehead Universityen_US


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