| 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.
XGenusAster, Euthamia, SolidagoEpithetcanadensis, gigantea, graminifolia, novae-angliae, pilosus, rugosaFieldNameC3, C4, C5, C6, C7, D1, D2, D3, E1, E2AgePlotIdCoverSpeciesA.novae-angliae, A.pilosus, E.graminifolia, S.canadensis, S.gigantea, S.rugosaData 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))