weeds {primer} | R Documentation |
Percent cover of six of the most common herbaceous perennial species from the Buell-Small long term succession study (http://www.ecostudies.org/bss/). Data are plot-level visual estimates of percent cover.
data(weeds)
A data frame with 15140 observations on the following 8 variables.
X
Genus
Aster
Euthamia
Solidago
Epithet
canadensis
gigantea
graminifolia
novae-angliae
pilosus
rugosa
FieldName
C3
C4
C5
C6
C7
D1
D2
D3
E1
E2
Age
PlotId
Cover
Species
A.novae-angliae
A.pilosus
E.graminifolia
S.canadensis
S.gigantea
S.rugosa
Data graciously provided by Scott Meiners (Eastern Illinois University, http://www.ecostudies.org/bss/).
Stevens, M.H.H. 2009. A Primer of Ecology with R. Use R! Series. Springer.
data(weeds) str(weeds); library(lattice) xyplot(Cover ~ Age, data=weeds, groups=Species, type=c("a"), auto.key=list(lines=TRUE, points=FALSE, columns=3), ylim=c(-1,20))