moths {primer}R Documentation

Moth Species Richness

Description

Data set of moth species richness from Ohio and Indiana, USA.

Format

A data frame with 21 observations on the following 6 variables.

region

a factor with levels NCT WAP for the two collection regions.

site

a factor with levels associated with county names.

area

a numeric vector for the area of each forest fragment

spp

a numeric vector, the number of moth species.

lat

a numeric vector; latitude

long

a numeric vector; longitude

Source

Data proided graciously by Keith Summerville and Thomas Crist; see "A Primer of Ecology with R" for specific references.

References

K. S. Summerville and T. O. Crist. 2003. Determinants of lepidopteran community composition and species diversity in eastern deciduous forests: roles of season, ecoregion and patch size. Oikos, 100:134-148.

K. S. Summerville and T. O. Crist. 2004. Contrasting effects of habitat quantity and quality on moth communities in fragmented landscapes. Ecography, 27:3-12.

Examples


data(moths)
plot(spp ~ area, data=moths)


[Package primer version 1.2.0 Index]