Search
Skip to Search Results- 1Beaubien, E.
- 1Castro, Saulo M.
- 1Fagua Gonzalez, Giovanny
- 1Hamann, A.
- 1Hebblewhite, M.
- 1Hickey, D. A.
- 12Graduate and Postdoctoral Studies (GPS), Faculty of
- 12Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 2Biological Sciences, Department of
- 2Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 1Renewable Resources, Department of
- 1Renewable Resources, Department of/Journal Articles (Renewable Resources)
-
A multi-scale test of the forage maturation hypothesis in a partially migratory ungulate population
Download2008
McDermid, G., Hebblewhite, M., Merrill, E.
The forage maturation hypothesis (FMH) proposes that ungulate migration is driven by selection for high forage quality. Because quality declines with plant maturation, but intake declines at low biomass, ungulates are predicted to select for intermediate forage biomass to maximize energy intake...
-
Adaptation of trembling aspen and hybrid poplars to frost and drought: implications for selection and movement of planting stock in western Canada
DownloadFall 2012
This study contains a series of experiments to evaluate growth performance and survival of hybrid poplars (Populus spp.) and trembling aspen (Populus tremuloides Michx.) in boreal planting environments in western Canada. Ecophysiological traits related to drought resistance and winter survival...
-
Amplified mitochondrial DNA as a diagnostic marker for species of conifer-feeding Choristoneura (Lepidoptera: Tortricidae)
Download1995
Hickey, D. A., Sperling, F. A. H.
Abstract: We describe a method for identifying conifer-feeding species and lineages of Choristoneura Lederer in Canada and Alaska. The method relies on amplification of mitochondrial (mt) DNA by the polymerase chain reaction (PCR); amplified DNA is then digested with restriction enzymes to give...
-
Assessing Ecosystem Productivity Through the Integration of Micrometeorology and Optical Remote Sensing
DownloadSpring 2020
The main goal of this thesis is to contribute to the growing body of scientific work by exploring mechanisms of ecosystem productivity through the integration of remote sensing and micrometeorological data. This was done throughout by (i) identifying the environmental mechanisms affecting...
-
Assessing the Potential for Hybrid Vigour Within a Species: Disparate Population Breeding of Balsam Poplar
DownloadFall 2021
When two or more species are crossed to produce hybrid progeny, some of them can be expected to yield a growth performance far superior to that of either parent (i.e., hybrid vigour/heterosis). To date, there have been few attempts to examine whether hybrid vigour can be achieved by crossing...
-
Evaluation of MODIS-LAI products in the tropical dry secondary forest of Mata Seca, Minas Gerais, Brazil
DownloadSpring 2013
Leaf Area Index (LAI) advances scientific knowledge of the role of secondary forests in forest area conservation. MODIS-LAI products provide an alternative, efficient and cost-effective method for measuring LAI in Tropical Dry Forests (TDFs). The performance of MODIS-LAI satellite products in a...
-
Genetic adaptation of aspen populations to spring risk environments: a novel remote sensing approach
DownloadSpring 2010
This study investigates geographic patterns of genetic variation in aspen spring phenology to understanding how tree population adapts to climatically risk environments. These finding suggest rules to guide seed transfer between regions. I use a classical common garden experiment to reveal...
-
Fall 2018
Terrestrial vegetation contributes strongly to dynamic biosphere-atmosphere exchanges of mass and energy, through activities such as photosynthesis, that help shape the Earth’s climate. The boreal forest is located in high latitudes and subject to large seasonal temperature fluctuations and a...
-
Monitoring Seasonal and Secondary Succession Processes in Deciduous Forests using Near-Surface Optical Remote Sensing and Wireless Sensor Networks
DownloadSpring 2016
The goal of this thesis is to address the need for improved monitoring of forest ecosystem dynamics in the context of anthropogenic global change by proposing the use of near-surface optical remote sensing approaches paired with emerging wireless sensor network (WSN) technologies in order to...
-
Monitoring the effects of climate change in the Tropical Dry Forest of the Chamela-Cuixmala Biosphere Reserve
DownloadFall 2012
Tropical dry forests are among the most exploited and less conserved of large tropical ecosystems. This study shows advanced remote sensing techniques used to determine the land cover status of the Chamela-Cuixmala Biosphere Reserve (Mexico). Within the context of the primary basins in the...