IPMpack (version 1.6)

succisaDataSubset: Succisa pratensis Dataset

Description

Subset of multiple years of demographic data of Succisa pratensis collected at the "Bennekomse Meent" site in the Netherlands. Details are described in Jongejans and de Kroon (2005). More information: [e-mail]

Usage

data(succisaDataSubset)

format

The format is: chr "succisaDataSubset"

Details

data-frame with headings:

- size: log of the sum of the products of the number of leaves times the maximum leaf length for rosette and stem leaves at time t - sizeNext: log of the sum of the products of the number of leaves times the maximum leaf length for rosette and stem leaves at time t+1

- stage: stage of the individual ('continuous' means the plant has a size; NA = not recruited yet) at time t

- stageNext: stage of the individual ('continuous' means the plant has a size; 'dead' = dead) at time t+1 - surv: survival (0 = dead, 1= alive, NAs if not yet recruited) - offspringNext: type of new recruit ('sexual' = seedling, 'clonal' = side-rosette, NA = not a recruit) at time t+1 - fec1Bolt: whether stems are produced (0 = no stems, 1 = at least 1 stem, NA = not recruited yet) at time t - fec2Stem: number of stems when stems are produced (NA when fec1Bolt = NA or 0) at time t - fec3Head: mean number of flower heads per stem when stems are produced (NA when fec1Bolt = NA or 0) at time t - fec1BoltNext: whether stems are produced (0 = no stems, 1 = at least 1 stem, NA = not recruited yet) at time t+1 - fec2StemNext: number of stems when stems are produced (NA when fec1BoltNext = NA or 0) at time t+1 - fec3HeadNext: mean number of flower heads per stem when stems are produced (NA when fec1BoltNext = NA or 0) at time t+1 - cloning: whether clonal offspring (side-rosettes) are produced by this individual (NA for plants that were not recruited yet at time t) - clonesNext: number of clonal offspring (side-rosettes) produced when at least on side-rosette is produced (NA when 'cloning' = 0 or NA)

References

Jongejans, E. and de Kroon, H. (2005) Space versus time variation in the population dynamics of three co-occurring perennial herbs. Journal of Ecology, 93, 681-692.

Examples

data(succisaDataSubset)
print(head(succisaDataSubset))

Sp <- succisaDataSubset

fo<-makeFecObj(Sp, Formula = list(fec1Bolt ~ size+size2, fec2Stem ~ size, fec3Head ~ size), Family = c("binomial","poisson","poisson"), Transform=c("none","-1","none"), fecConstants = data.frame(seedsPerHead=50,seedlingEstablishmentRate= 0.02))

co<-makeClonalObj(Sp, Formula = list(cloning ~ size, clonesNext ~ size), Family = c("binomial","poisson"), Transform=c("none","-1"), offspringSizeExplanatoryVariables = "size")