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))