Eelgrass: Eelgrass Genotypes

In abd: The Analysis of Biological Data

Description

Number of shoots (shoots) surviving in each of 32 experimental plots planted with 1, 3, or 6 different genotypes of eelgrass (treatment.genotypes).

Usage

data(Eelgrass)

Format

A data frame with 32 observations on the following 2 variables.

genotypes

a numeric vector of the number of genotypes planted in each plot

shoots

a numeric vector of the total number of shoots in each plot

Source

inferred from Reusch, T.B.H., A. Ehlers, A. Hämmerli, and B. Worm. 2005. Ecosystem recovery after climatic extremes enhanced by genotypic diversity. Proceedings of the National Academy of Sciences (USA) 102: 2826-2831.

References

http://www.pnas.org/content/102/8/2826.abstract

Examples

data(Eelgrass)
Eelgrass

# Convert treatment.genotypes to a factor
Eelgrass$genotypesF <-
  factor(Eelgrass$genotypes)
str(Eelgrass)
xyplot(shoots ~ genotypes, Eelgrass)
xyplot(shoots ~ genotypesF, Eelgrass)

abd documentation built on May 2, 2019, 4:46 p.m.