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- 16Renewable Resources, Department of/Conference Proceedings (Renewable Resources)
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- 1Agricultural, Life, and Environmental Sciences, Faculty of
- 1Agricultural, Life, and Environmental Sciences, Faculty of/Presentations (Agricultural, Life, & Environmental Sciences)
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2002
Ooi, S., van der Knaap, W. O., Hansen, T. S., Rom, W., Lange, T., Shotyk, W., Heinemeier, J., Appleyby, P. G., Lohse, C., Goodsite, M. E.
ABSTRACT. Peat deposits in Greenland and Denmark were investigated to show that high-resolution dating of these archives of atmospheric deposition can be provided for the last 50 years by radiocarbon dating using the atmospheric bomb pulse. 14C was determined in macrofossils from sequential one...
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Low intensity surface fire instigates movement by adults of Calosoma frigidum (Coleoptera, Carabidae)
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Jacobs, J. M, Work, T. T., Spence, J. R., Bergeron, J. A. C.
Abstract: The genus Calosoma (Coleoptera: Carabidae) is a group of large, sometimes ornate beetles, which often voraciously attack caterpillars. Many studies have reported Calosoma beetles being highly conspicuous during defoliator outbreaks. Based on observations of individual beetle behavior,...
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2007
Macdonald, S. E., Schmiegelow, F. K. A., Shepherd, L.
Abstract: Woodland caribou (Rangifer tarandus caribou) populations in Jasper (JNP) and Banff National Parks (BNP) have declined since the 1970s, coincident with reduced fire activity in both parks, relative to historic levels. Some researchers have suggested that long periods without fire may...
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Mandibles and labrum-epipharynx of tiger beetles: Basic structure and evolution (Coleoptera, Carabidae, Cicindelitae)
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Acorn, J. H., Ball, G. E., Shpeley, D.
Abstract: Using for comparison with, and as outgroups for, supertribe Cicindelitae, we describe and illustrate the mandibles and labrum-epipharynx of the basal geadephagans Trachypachus gibbsii LeConte, 1861 (family Trachypachidae), and family Carabidae: Pelophila rudis (LeConte, 1863)...
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2008
Langor, D. W., Cobb, T.P., Spence, J.R., Jacobs, J. M., Hammond, H.E.J.
Saproxylic insect assemblages inhabiting dead wood in Canadian forests are highly diverse and variable but quite poorly understood. Adequate assessment of these assemblages poses significant challenges with respect to sampling, taxonomy, and analysis. Their assessment is nonetheless critical to...
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Wing-dimorphism and population expansion of Pterostichus melanarius (Illiger, 1798) at small and large scales in central Alberta, Canada (Coleoptera, Carabidae, Pterostichini)
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Hartley, D. J., Lee, S.-I., Bourassa, S., Spence, J. R.
Abstract: A study spanning ten years revealed changes in wing-morph ratios corroborating the hypothesis that the wing-dimorphic introduced carabid, Pterostichus melanarius Ill., is spreading through flight, from the city of Edmonton, Canada and establishing populations in natural aspen forest of...