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Effects of clear-cutting and wildfires on succession of ground beetle (Coleoptera: Carabidae) assemblages in western Alberta
DownloadSpring 2019
I studied how carabid beetle assemblages in lodgepole pine stands have responded after clear- cut harvest and wildfires on an actively managed landscape ~20 km south of Hinton, Alberta. This work builds on and expands the focus of a previous study (Niemelä et al. 1993) conducted 23-24 years...
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Fire and harvesting impacts on forest floor and water extractable organic matter chemical composition in the Canadian Rocky Mountains
DownloadFall 2024
Forests globally store a significant portion of terrestrial organic carbon, where two-thirds of that carbon is stored as soil organic matter (SOM). The dissolved organic matter (DOM) in soils plays a crucial role in carbon and nutrient cycling. Understanding the dynamics of DOM and SOM in forest...
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Postglacial Human and Environmental Landscapes of Northeastern Alberta: An analysis of a late Holocene sediment record from Sharkbite Lake, Alberta
DownloadSpring 2019
Sharkbite Lake lies in northeastern Alberta’s lower Athabasca River Valley, within which lies the modern boundaries of the Mineable Oil Sands Region (MOSR). Much of the palaeoecological research to date has addressed the establishment of the Boreal Forest; however, the late Holocene...
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Fall 2020
Fire and insect outbreaks are the two leading natural disturbance factors affecting Canadian forests. Over the last 20 years Mountain Pine Beetle (Dendroctonous ponderosae Hopkins) has killed more than 50 percent of western Canada’s merchantable lodgepole pine (Pinus contorta) forests and spread...