facilitation: A C++ Framework for Plant-Plant Interaction IBMs

A tool for simulating a variety of spatial individual-based models of plant-plant interactions. User-created models can include any number of species, each of which can be structured in any number of life-stages, where each life-stage has specific death, growth and reproduction rates, as well as specific interaction radius, dispersal radius, and interaction effects over each other species/life-stage. Life stages were modeled so as to be a stochastic, individual-based version of differential Matrix Population Models (Caswell 2001, ISBN:0-87893-096-5). Interactions can be positive (facilitation) or negative (competition) and can affect death rates, growth rates or reproduction rates. Interactions from multiple numbers are additive, so as to best approximate classic population dynamics models such as the logistic model and Lotka-Volterra model (Britton 2004, ISBN:9781852335366). All models work in continuous time, implemented as an optimized version of the Gillespie algorithm (Gillespie 1976 <doi:10.1016/0021-9991(76)90041-3>) for independent exponential times, and continuous space.

Package details

AuthorMali Salles [aut, cre], Andre Chalom [aut], Alexandre Adalardo [aut], Camila Castanho [ctb]
MaintainerMali Salles <marinacs@gmail.com>
URL https://github.com/Lobz/facilitation
Package repositoryView on CRAN
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facilitation documentation built on May 2, 2019, 5:54 a.m.