Description Usage Format Details Source References Examples
For each species in "sveg" all 8 indicator values are taken from the "Flora Indicativa by" Landolt et al. (2010). These are ranks on a 1 to 5 scale (except for M), but for some indicators half steps are used as well. Scores zero (0) are either undefined or unknown and must be treated as missing values
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A data frame with 119 observations on the following 9 variables.
T
Temperature value (1-5, 9 steps)
K
Continentality value (1-5, 5 steps)
L
Light value (1-5, 5 steps)
F
Moisture value (1-5, 5 steps)
W
Moisture availability (1-3, 3 steps)
R
Reaction value (acidity, 1-5, 5 steps)
N
Nutrient value (1-5, 9 steps)
H
Humus value (1-3, 3 steps)
D
Soil aeration value (1-3, 3 steps)
Indicator values from vascular plants and brypphytes stem from different lists in Landolt et al. (2010). Note that this data set was not in cluded in the original dave package, but added in version 1.5 only.
Landolt, E., Baeumler, B., Erhardt, A., Hegg, O., Kloetzli, F., Laemmler, W., Nobis, M., Rudmann-Maurer, K., Schweingruber, F.H., Theurillat, J.-P., Urmi, E., Vust, M. and Wohlgemuth, T. 2010. Flora indicativa. Ecological Indicator Values and Biological Attributes of the Flora of Switzerland and the Alps. Haupt, Bern.
Wildi, O. 2017. Data Analysis in Vegetation Ecology. 3rd ed. CABI, Oxfordshire, Boston.
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Loading required package: cluster
Loading required package: labdsv
Loading required package: mgcv
Loading required package: nlme
This is mgcv 1.8-33. For overview type 'help("mgcv-package")'.
This is labdsv 2.0-1
convert existing ordinations with as.dsvord()
Attaching package: ‘labdsv’
The following object is masked from ‘package:stats’:
density
Loading required package: vegan
Loading required package: permute
Loading required package: lattice
This is vegan 2.5-7
Loading required package: nnet
Attaching package: ‘nnet’
The following object is masked from ‘package:mgcv’:
multinom
Loading required package: tree
T K L F
Min. :0.000 Min. :0.000 Min. :0.000 Min. :0.000
1st Qu.:2.500 1st Qu.:2.500 1st Qu.:3.000 1st Qu.:3.000
Median :3.000 Median :3.000 Median :4.000 Median :3.500
Mean :2.718 Mean :2.647 Mean :3.252 Mean :3.431
3rd Qu.:3.000 3rd Qu.:3.000 3rd Qu.:4.000 3rd Qu.:4.000
Max. :4.000 Max. :4.000 Max. :5.000 Max. :5.000
W R N H
Min. :0.000 Min. :0.000 Min. :0.000 Min. :0.000
1st Qu.:1.000 1st Qu.:2.000 1st Qu.:2.000 1st Qu.:3.000
Median :3.000 Median :3.000 Median :2.000 Median :5.000
Mean :1.992 Mean :2.521 Mean :2.168 Mean :3.815
3rd Qu.:3.000 3rd Qu.:4.000 3rd Qu.:3.000 3rd Qu.:5.000
Max. :3.000 Max. :4.000 Max. :4.000 Max. :5.000
D
Min. :0.0000
1st Qu.:1.0000
Median :1.0000
Mean :0.8992
3rd Qu.:1.0000
Max. :3.0000
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