N-versus-M tri-trophic statistics

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Description

Tri-trophic statistics.

Usage

1

Arguments

community

an object of class Community.

Details

Tri-trophic statistics as described by Cohen et al 2009 PNAS.

Value

A list containing

links

a data.frame.

three.node.chains

a data.frame.

trophic.chains

a data.frame.

Author(s)

Lawrence Hudson

References

Cohen, J.E. and Schittler, D.N. and Raffaelli, D.G. and Reuman, D.C. (2009) Food webs are more than the sum of their tritrophic parts. Proceedings of the National Academy of Sciences of the United States of America 106, 52, 22335–22340.

See Also

TLPS, ThreeNodeChains, TrophicChains, PlotAuppervAlower, NvMTriTrophicTable

Examples

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data(TL84)
tts <- NvMTriTrophicStatistics(TL84)
nrow(tts$links)
head(tts$links)

nrow(tts$three.node.chains)
head(tts$three.node.chains)

nrow(tts$trophic.chains)
head(tts$trophic.chains)

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