| 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))