ghats: Tree counts in 1-ha plots from the Western Ghats mountains...

Description Usage Format Source References Examples

Description

Tree species counts are given in 50 one-hectare sampling plots (species by sample matrix). This only includes trees over 10 cm dbh (diameter at breast height) and species labels (row names) are numeric.

Usage

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Format

Data frame displaying 304 species counts over 50 one-hectare plots.

Source

Ecological Archives E088-149-A1. http://www.esapubs.org/Archive/ecol/E088/149/appendix-A.htm

References

Francois Munoz, Pierre Couteron, B. R. Ramesh, and Rampal S. Etienne 2007. “Estimating parameters of neutral communities: from one single large to several small samples.” Ecology 88(10):2482-2488.

Examples

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data(ghats)
# Rank-abundance picture of plot 1 (column 1 in ghats)
plot(extant(count(ghats[,1])))

#histogram of optimal theta across the 50 plots:
hist(apply(ghats,2,optimal.theta),col='gray')

untb documentation built on March 19, 2018, 9:03 a.m.