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- 870Biological Sciences, Department of/Journal Articles (Biological Sciences)
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- 139Biological Sciences, Department of/Biological Sciences Fish Skeletal Elements
- 419University of Alberta, Department of Biological Sciences
- 138Sawchuk, Matthew
- 81Mark A. Lewis
- 52Lewis, Mark A.
- 52Stockey, R.A.
- 31Kouritzin, Michael
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A framework for analyzing the robustness of movement models to variable step discretization
Download2016-01-01
Schlägel, Ulrike E, Lewis, Mark A.
When sampling animal movement paths, the frequency at which location measurements are attempted is a critical feature for data analysis. Important quantities derived from raw data, e.g. travel distance or sinuosity, can differ largely based on the temporal resolution of the data. Likewise, when...
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A general theory for target reproduction numbers with applications to ecology and epidemiology
Download2019-01-01
Mark A. Lewis, Zhisheng Shuai, P. van den Driessche
A general framework for threshold parameters in population dynamics is developed using the concept of target reproduction numbers. This framework identies reproduction numbers and other threshold parameters in the literature in terms of their roles in population control. The framework is applied...
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A generalized residual technique for analysing complex movement models using earth mover's distance.
Download2014-10-01
Potts, Jonathan R, Marie Auger-M´eth´e, Karl Mokross, Mark A. Lewis
Complex systems of moving and interacting objects are ubiquitous in the natural and social sciences. Predicting their behaviour often requires models that mimic these systems with sufficient accuracy, while accounting for their inherent stochasticity. Although tools exist to determine which of a...
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2009-01-01
Reid, T.A., Cahill, J.F., Navabi, A.
Competition with weeds decreases crop yields globally. Breeding for competitive ability against elevated weed pressure can be difficult because the selection for specific traits which contribute to competitive ability may result in yield losses. The widely studied International Triticeae Mapping...
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2012-01-01
Wong, Gane K., Wickett, Norman J. , Ruzicka, Daniel R. , Leebens-Mack, Jim, Deyholos, Michael K. , DePamphilis, Claude W. , Zhang, Yeting , Chanderbali, Andre S. , McCombie, Richard , Ayyampalayam, Saravanaraj , Kutchan, Toni M. , Wu, Xiaolei , Stevenson, Dennis W. , Wafula, Eric , Pires, J Chris , McNeal, Joel , Zhang, Yong , Wang, Jun , Rolf, Megan , Soltis, Pamela S. , Soltis, Douglas E. , Carpenter, Eric J. , Jiao, YN, McKain, Michael R. , Bowers, John E.
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2014
Wu, B., Newton, F., Kouritzin, Michael A.
A new class of discrete random fields designed for quick simulation and covariance inference under inhomogenous conditions is introduced and studied. Simulation of these correlated fields can be done in a single pass instead of relying on multi-pass convergent methods like the Gibbs Sampler or...
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A high-density SNP-based linkage map of the chicken genome reveals sequence features correlated with recombination rate
Download2019-03-01
Gut, Ivo, Lathrop, Mark , Muir, William M. , Foglio, Mario , Wong, Gane K., Groenen, Martien A. , Megens, Hendrik-Jan , Cheng, Hans H. , Besnier, Francois , Crooijmans, Richard PMA , Wahlberg, Per , Andersson, Leif
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2017-01-01
QIHUA HUANG, HAO WANG, MARK A. LEWIS
While some species spread upstream in river environments, not all invasive species are successful in spreading upriver. Here the dynamics of unidirectional water flow found in rivers can play a role in determining invasion success. We develop a continuous-discrete hybrid benthic-drift population...
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A hybrid gravity and route choice model to assess vector traffic in large-scale road networks
Download2020-01-01
S. M. Fischer, M. Beck, L.-M. Herborg, M. A. Lewis
Human traffic along roads can be a major vector for infectious diseases and invasive species. Though most road traffic is local, a small number of long-distance trips can suffice to move an invasion or disease front forward. Therefore, understanding how many agents travel over long distances and...
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2003
Ballantyne, David, Wiersma, Jonathan, Kouritzin, Michael, Hailes, Jarett, Long, Hongwei
A hybrid weighted interacting particle filter, the selectively resampling particle filter (SERP), is used to detect and track multiple ships maneuvering in a region of water. The ship trajectories exhibit nonlinear dynamics and interact in a nonlinear manner such that the ships do not collide....