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Skip to Search Results- 186Renewable Resources, Department of
- 185Renewable Resources, Department of/Journal Articles (Renewable Resources)
- 2Agricultural, Life, and Environmental Sciences, Faculty of
- 2Agricultural, Life, and Environmental Sciences, Faculty of/Journal Articles (Agricultural, Life, & Environmental Sciences)
- 1Biological Sciences, Department of
- 1Biological Sciences, Department of/Journal Articles (Biological Sciences)
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2003
We develop and test new models that unify the mathematical relationships among the abundance of a species, the spatial dispersion of the species, the number of patches occupied by the species, the edge length of the occupied patches, and the scale on which the distribution of species is mapped....
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Pit membrane structure is highly variable and accounts for a major resistance to water flow through tracheid pits in stems and roots of two boreal conifer species
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Schulte, P.J., Schoonmaker, A.L. , Hacke, U.G.
The flow of xylem sap in conifers is strongly dependent on the presence of a low resistance path through bordered pits, particularly through the pores present in the margo of the pit membrane. A computational fluid dynamics approach was taken, solving the Navier–Stokes equation for models based...
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Potential carbon losses from peat profiles: effects of temperature, drought cycles and fire
Download1992
Wein, R. W., Hogg, E. H., Lieffers, V. J.
Abstract: Global warming and the resultant increase in evapotranspiration might lead to lowered water tables in peatlands and an increase in fire frequency. The objective of this study was to investigate some of the potential effects of these changes on peat decomposition. Dry mass losses and...
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Potential effects of climate change on tree species and ecosystem distribution in British Columbia
Download2006
A new ecosystem-based climate envelope modeling approach was applied to assess potential climate change impacts on forest communities and tree species. Four orthogonal canonical discriminant functions were used to describe the realized climate space for British Columbia's ecosystems and to model...
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2011
Skinner, W., Flannigan, M., Shabber, A.
An empirical scheme for predicting the meteorological conditions that lead to summer forest fire severity for Canada using the multivariate singular value decomposition (SVD) has been developed for the 1953-2007 period. The levels and sources of predictive skill have been estimated using a...
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Predominance of industrial Pb in recent snow (1994-2004) and ice (1842-1996) from Devon Island, Arctic Canada
Download2005
Koerner, R., Shotyk, W., Zdanowicz, C., Zheng, J., Fisher, D., Krachler, M.
Abstract: Atmospheric Pb contamination was studied using snow and ice from the Canadian arctic. Forty-five samples representing the past ten years of snow accumulation on Devon Island contain an average of 45.2 pg/g of Pb but only 0.43 pg/g of Sc. The average ratio of Pb to Sc (105) is far...
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1996
Foote, A.L., Krogman, N.T., Pandey, S.
Wetlands in India supply crucial human and animal needs such as drinking water, protein production, fodder, water purification, wildlife habitat, and flood storage. Increased appreciation of uses and threats is essential to protect wetlands where justified. Three quarters of India's population is...
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Quantifying distance of edge influence: A comparison of methods and a new randomization method
Download2011
Abstract. Despite many studies on edge influence in forests, there is no common method for estimating distance of edge influence (DEI, ¼ edge width). We introduce a new randomization method (RTEI) for estimating DEI that tests the significance of edge influence compared to the reference forest....