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2015

Lewis, Mark A., Auger-Méthé, Marie, Plank, Michael J., Codling, Edward A., Derocher, Andrew E.

Source code for an R package that can be used to simulate and apply various search strategy models to movement data. This is the code used in the manuscript entitled: Differentiating the Lévy walk from a composite correlated random walk. See https://github.com/MarieAugerMethe/CCRWvsLW for any...

2015

Lewis, Mark A., Auger-Méthé, Marie, Plank, Michael J., Codling, Edward A., Derocher, Andrew E.

This the data associated with the manuscript entitled: Differentiating the Lévy walk from a composite correlated random walk. It is the step lengths and turning angles of two bears collared in the Hudson Bay. The data is the step length and turning angle measured at regular time intervals (every...

1996-01-01

Mark Kot, Mark A. Lewis, P. van den Driessch

Models that describe the spread of invading organisms often assume that the dispersal distances of propagules are normally distributed. In contrast, measured dispersal curves are typically leptokurtic, not normal. In this paper, we consider a class of models, integrodifference equations, that...

2014

Aalhus, J. L., Basarab, J. A., N. Prieto, I. L., López-Campos, Ó., Larsen, M.

Over a 2-yr period, 224 crossbred steers were allotted to a 2×2×2 factorial arrangement of treatments to determine the effect of the production system (calf-fed vs. yearling-fed), growth implant strategy (non-implanted vs. implanted) and β-agonist supplementation (no ractopamine vs. ractopamine)...

Spring 2014

Michailides, Theophilos P.

Corporate social responsibility (CSR) reflects the commitment businesses voluntarily undertake to integrate ethical behaviors and societal matters within their operating contexts, decision-making processes, strategies and corporate values while simultaneously maximizing economic objectives. As...

2014

Lewis, M.A., Derocher, A.E., Molnár, P.K.

Allee effects are an important component in the population dynamics of numerous species. Accounting for these Allee effects in population viability analyses generally requires estimates of low-density population growth rates, but such data are unavailable for most species and particularly...

2003

Grahl-Nielsen, O., Lydersen, C., Wiig, Ø., Kovacs, K., Derocher, A.E., Andersen, M.

Polar bears Ursus maritimus are predators of phocid seals, but they also forage opportunistically on a variety of other species. In the Barents Sea—Svalbard area, their diet is thought to consist almost exclusively of ringed seals Phoca hispida, bearded seals Erignathus barbatus and harp seals P....

Fall 2021

Ellenberger, Tristan

This dissertation examines aspects of the cremation burial assemblages of graves from the published material of Bécsi Road cemetery of the canabae of Aquincum and the southern cemetery of the civilian settlement of Carnuntum in the Roman region of Pannonia as evidence of practices that reflect...

2016-06-10

DeMars, Craig A., Auger-Méthé, Marie, Derocher, Andrew E.

This the data associated with the manuscript: Auger-Méthé, M, AE Derocher, DA DeMars, MJ Plank, EA Codling, MA Lewis. Evaluating random search strategies in three mammals from distinct feeding guilds. Journal of Animal Ecology. In Press. The data is the step lengths and turning angles measured...

Fall 2020

Alexandra Marie Claire Beatty

Climate change is altering sea ice phenology, which forces polar bears (Ursus maritimus) to spend an increasing amount of time on land. Therefore, understanding movement ecology and terrestrial habitat selection of bears may become increasingly important for conservation planning. The Western...