Description Format Source References Examples
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.
A data frame with 15140 observations on the following 8 variables.
a numeric vector
a factor
with levels Aster
, Euthamia
, Solidago
a factor with levels canadensis
,
gigantea
, graminifolia
, novae-angliae
, pilosus
,
rugosa
a factor with levels C3,
C4
, C5
, C6
, C7
, D1
, D2
, D3
,
E1
, E2
a numeric vector indicating the number of years of succession, since abandonment from agriculture.
a numeric vector
a numeric vector; percent cover, estimated visually.
a factor
with levels 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.
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