eHOF (version 1.0)

acre: Arable fields in North-Eastern Germany.

Description

Species and Environmental Data from arable fields in North-Eastern Germany. The acre data frame has 100 selected sites (rows) and 6 species (columns).

Usage

data(acre)

encoding

UTF-8

docType

data

format

Two data frames, one data frame called acer with 100 vegetation plots (rows). Species are named with 7 letter shortletters according to the taxonomic reference list GermanSL. Plant performance is given as presence-absence. The second data frame, named acre.env consists of plot information about date of survey, survey area, total plant cover and measured soil pH.

Details

Soil pH was measured in 1mol KCl solution.

References

Manthey, M. (2003). Vegetations"okologie der "Acker und Ackerbrachen Mecklenburg-Vorpommerns. 209 p., Berlin [u.a.]: Cramer.

Examples

data(acre)
hist(acre.env$PH_KCL)