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- 66Biological Sciences, Department of/Journal Articles (Biological Sciences)
- 46Mathematical and Statistical Sciences, Department of
- 46Mathematical and Statistical Sciences, Department of/Research Publications (Mathematical and Statistical Sciences)
- 11The NSERC TRIA Network (TRIA-Net)
- 11The NSERC TRIA Network (TRIA-Net)/Journal Articles (TRIA-Net)
- 6animal movement
- 4Animal movement
- 4population dynamics
- 3Advection-diffusion
- 3Integrodifference equations
- 3Machine learning
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2020-05-19
Stephanie J. Peacock, Martin Krkošek, Mark A. Lewis, Péter K. Molnár
Migrations allow animals to track seasonal changes in resources, find mates, and avoid harsh climates, but these regular, longdistance movements also have implications for parasite dynamics and animal health. Migratory animals have been dubbed “superspreaders” of infection, but migration can also...
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A unifying theory for 2D spatial redistribution kernels with applications to model-fitting in ecology
Download2020-01-01
Dean C. Koch, Mark A. Lewis, Subhash R. Lele
When building models to explain the dispersal patterns of organisms, ecologists often use an isotropic redistribution kernel to represent the distribution of movement distances based on phenomenological observations or biological considerations of the underlying physical movement mechanism....
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2002-01-01
Lewis, Mark A., Weinberger, H.F., Li, B.T.
The discrete-time recursion system \un+1=Q[\un] with \un(x) a vector of population distributions of species and Q an operator which models the growth, interaction, and migration of the species is considered. Previously known results are extended so that one can treat the local invasion of an...
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2015-01-01
Olga Vasilyeva, Frithjof Lutscher, Mark Lewis
Species such as stoneflies have complex life history details, with larval stages in the river flow and adult winged stages on or near the river bank. Winged adults often bias their dispersal in the upstream direction, and this bias provides a possible mechanism for population persistence in the...
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Beyond resource selection: emergent spatio-temporal distributions from animal movements and stigmergent interactions
Download2022-03-30
Jonathan R. Potts, Valeria Giunta, Mark A. Lewis
A principal concern of ecological research is to unveil the causes behind observed spatio-temporal distributions of species. A key tactic is to correlate observed locations with environmental features, in the form of resource selection functions or other correlative species distribution models....
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Beyond resource selection: emergent spatio-temporal distributions from animal movements and stigmergent interactions
Download2022-01-01
Jonathan R. Potts, Valeria Giunta, Mark A. Lewis
A principal concern of ecological research is to unveil the causes behind observed spatiotemporal distributions of species. A key tactic is to correlate observed locations with environmental features, in the form of resource selection functions or other correlative species distribution models. In...
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2020-07-31
Dean Koch, Subhash Lele, Mark A. Lewis
When working with contemporary spatial ecological datasets, statistical modellers are often confronted by two major challenges: (I) the need for covariance models with the flexibility to accomodate directional patterns of anisotropy; and (II) the computational effort demanded by high-dimensional...
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Conservation Reserve Program is a key element for managing white-tailed deer populations at multiple spatial scales
Download2019-01-01
Mariana B. Nagy-Reis, Mark A. Lewis, William F. Jensen, Mark S. Boyce
Understanding the underlying mechanisms driving population demographics such as species-habitat relationships and the spatial scale in which these relationships occur is essential for developing optimal management strategies. Here we evaluated how landscape characteristics and winter severity...
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Description and distribution of Desmacella hyalina sp. nov. (Porifera, Desmacellidae), a new cryptic demosponge in glass sponge reefs from the western coast of Canada
Download2020-01-01
Law LK, Reiswig HM, Ott BS, McDaniel N, Guillas KC, Kahn AS, Dinn C, Leys SP
Glass sponges (Porifera, Hexactinellida) form globally unique reefs that support deep-sea biodiversity in the Canadian northeast Pacific. In February 2017, the largest known reefs were protected within the Hecate Strait and Queen Charlotte Sound Glass Sponge Reefs Marine Protected Area...
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2014-01-01
Schlägel, Ulrike E, Lewis, Mark A.
Animals of many species demonstrate movement behaviour in which decisions are based on a variety of information. Effects of resources have been studied widely, often under the assumption that the environment is constant over the course of the study. Much less understood is the role of dynamic...