Theory, R functions & Examples
This is an old revision of the document!
Zelený & Li (2008), Zelený (unpubl.)
Vegetation samples of acidophilous grasslands (16-25m2) recorded in 2004-2007.
North of Třebíč city, Czech Republic. Grasslands typically occur on convex topography with shallow soils, and form “islands” of acidophilous vegetation in otherwise intensively manages agricultural landscape.
|Name of variable||Description|
|plot||Plot number (used to store the plot in Czech National Phytosociological Database)|
|area||Area of the plot [m<sup>2</sup]|
|altitude||Altitude [m a.s.l.]|
|coverE2||Cover of shrub layer [%]|
|coverE1||Cover of herb layer [%]|
|cover_moss||Cover of moss layer [%]|
|cover_lich||Cover of lichen layer [%]|
|cover_bare||Cover of bare soil [%]|
|pH.H||soil pH, measured in water suspension|
|soildepth||Soil depth, measured by iron rod [cm]|
|soildepth_sd||Variability of soil depth (calculated from five measurement by iron rod in one plot) [cm]|
|classification||Classification into associations (for details see Zelený & Li 2008)|
These data are for training the import of raw data into R - the script for direct import of data into R is hidden here (available after the homework is finished).