Calculates twelve commonly-used, basic measures of food web network structure from binary, predator-prey matrices: species richness, connectance, total number of links, link density, number of trophic positions, predator:prey ratio, and fraction of cannibals, herbivores, top species and intermediate species. Employs food web language in the code and output, translates between a couple of common food web formats, can handle food webs consisting of multiple levels, and can automate the analysis for a large number of webs. The program produces 3-dimensional graphs of high quality that can be customized by the user.
|License:||GPL (>= 2)|
|Collate:||"functions.R" "Asym to Sym.R" "Calculations.R" "Network plot.R"|
The package's contains 5 functions: analyse.single, analise.list, analyse.seq, mat.2.list and plotweb. See their helpfiles for more information on how to use them.
Maintainer: Giselle Perdomo <email@example.com>
Perdomo G., Sunnucks P. and Thompson R.M. (submitted). food web: an open-source program for the visualisation and analysis of compilations of complex food webs. Environmental Modelling and Software.
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