Search Results - "Whigham, P. A"

Thyme and space invasion: Thymus vulgaris decreases exotic plant species diversity in Central Otago, New Zealand by Nielsen, J. A, Whigham, P. A, Frew, R. D, Callaway, R. M, Dickinson, K. J. M

“…Understanding the influence of spatial scale on ecological processes that occur with exotic plant invasion can help us identify underlying mechanisms of…”
Get full text

Predicting chlorophyll- a in freshwater lakes by hybridising process-based models and genetic algorithms by Whigham, P.A, Recknagel, Friedrich

“…This paper describes the application of several machine learning techniques to modify a process-based difference equation. The original process equation was…”
Get full text

Balancing act: modelling sustainable release numbers for translocations by Easton, L. J., Bishop, P. J., Whigham, P. A.

“…Translocated populations often share demographic, environmental and genetic risks associated with relict populations. Models that predict translocation impacts…”
Get full text

Exploring seasonal patterns using process modelling and evolutionary computation by Whigham, P.A., Dick, G., Recknagel, F.

“…Process models of chlorophyll- a concentration for freshwater systems, and in particular lake environments, have been developed over many years. Previous work…”
Get full text

Induction of a marsupial density model using genetic programming and spatial relationships by Whigham, P.A

“…Machine learning techniques have been developed that allow the induction of spatial models for the prediction of habitat types and population distribution…”
Get full text

Network rewiring dynamics with convergence towards a star network by Whigham, P. A., Dick, G., Parry, M.

“…Network rewiring as a method for producing a range of structures was first introduced in 1998 by Watts & Strogatz (Nature 393, 440–442. (doi:10.1038/30918))…”
Get full text

An inductive approach to ecological time series modelling by evolutionary computation by Whigham, P.A., Recknagel, Friedrich

“…Building time series models for ecological systems that can be physically interpreted is important both for understanding the dynamics of these natural systems…”
Get full text

Characterizing limit order prices by Withanawasam, R.M., Whigham, P.A., Crack, Timothy Falcon

“…A computational model of a limit order book is used to study the effect of different limit order distribution offsets. Reference prices such as same…”
Get full text

Thyme travels: 15N isoscapes of Thymus vulgaris L. invasion in lightly grazed pastoral communities by Nielsen, J. A, Frew, R. D, Whigham, P. A, Callaway, R. M, Dickinson, K. J. M

“…Alterations to ecosystem nitrogen (N) cycling by introduced plant species may increase the invasibility of habitat providing a positive feedback for the…”
Get full text

Invasion essentials: does secondary chemistry plasticity contribute to the invasiveness of Thymus vulgaris L.? by Nielsen, J. A, Whigham, P. A, Frew, R. D, Callaway, R. M, Dickinson, K. J. M

“…Increasing our understanding of spatial patterns of plant secondary chemistry variation may help us understand the mechanisms that underlie plant invasions…”
Get full text

Modelling rainfall-runoff using genetic programming by Whigham, P.A., Crapper, P.F.

“…Genetic programming is an inductive form of machine learning that evolves a computer program to perform a task defined by a set of presented (training)…”
Get full text

Network rewiring dynamics with convergence towards a star network by Whigham, P. A., Dick, G., Parry, M.

“…Network rewiring as a method for producing a range of structures was first introduced in 1998 by Watts & Strogatz (Nature 393, 440–442. (doi:10.1038/30918))…”
Get full text

Testing of Soil Moisture Prediction Model for Army Land Managers by Davis, J. R, Cuddy, S. M, Laut, P, Goodspeed, M. J, Whigham, P. A

“…The ARC INFO geographic information system (GIS) has been combined with the ARX spatial expert system and the SMSP soil moisture-soil strength model to give…”
Get full text

Modelling river and floodplain interactions for ecological response by Whigham, P.A., Young, W.J.

“…The study of “environmental flows”—selecting regulated flow regions that support aspects of the biotic and abiotic environment—has received increasing…”
Get full text

Neighbourhood deprivation and access to alcohol outlets: A national study by Hay, Geoff C., Whigham, Peter A., Kypri, Kypros, Langley, John D.

“…People living in poor areas suffer higher mortality than those in wealthy areas. Environmental factors partly explain this association, including exposure to…”
Get full text

Thyme travels: 15N isoscapes of Thymus vulgarisL. invasion in lightly grazed pastoral communities by Nielsen, J A, Frew, R D, Whigham, P A, Callaway, R M, Dickinson, K J M

“…Alterations to ecosystem nitrogen (N) cycling by introduced plant species may increase the invasibility of habitat providing a positive feedback for the…”
Get full text

Thyme travels: 15 N isoscapes of T hymus vulgaris   L . invasion in lightly grazed pastoral communities by Nielsen, J. A., Frew, R. D., Whigham, P. A., Callaway, R. M., Dickinson, K. J. M.

“…Abstract Alterations to ecosystem nitrogen ( N ) cycling by introduced plant species may increase the invasibility of habitat providing a positive feedback for…”
Get full text

Thyme travels: super(15)N isoscapes of Thymus vulgarisL. invasion in lightly grazed pastoral communities by Nielsen, JA, Frew, R D, Whigham, P A, Callaway, R M, Dickinson, KJM

“…Alterations to ecosystem nitrogen (N) cycling by introduced plant species may increase the invasibility of habitat providing a positive feedback for the…”
Get full text

Characterising trader manipulation in a limit-order driven market by Withanawasam, R.M., Whigham, P.A., Crack, T.F.

“…► Presents a framework for manipulation in a computational model of a limit-order book. ► Pump and dump manipulation is not possible with only liquidity…”
Get full text

Evolutionary dynamics for the spatial Moran process by Whigham, P. A., Dick, Grant

“…Evolutionary dynamics for the Moran process have been previously examined within the context of fixation behaviour for introduced mutants, where it was…”
Get full text