cm.dambacher {LoopAnalyst}

A Ten-Variable Trophic Model Of Danish Shallow Lakes

Description

This dataset represents the causal relationships amongst the ten variables defined by Dambacher's 2002 article in figure 6, page 1381.

Usage

data(cm.dambacher)

Format

A 10 by 10 (-1, 0, 1) matrix with each element having at least one parent and at least one child. The matrix is interpreted as the jth variable has the direct causal effect a[i,j] on variable i.

References

Dambacher, J. M. and Li, H. W. and Rossignol, P. A. (2002) Relevance of community structure in assessing indeterminacy of ecological predictions. Ecology, 83(5),1372–1385. <doi:10.2307/3071950>.

Puccia, C. J. and Levins, R. (1986) Qualitative Modeling of Complex Systems: An Introduction to Loop Analysis and Time Averaging. Cambridge: Harvard University Press. <doi:10.4159/harvard.9780674435070>.