Last data update: 2014.03.03
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R: Plant Species Traits Data
plantTraits | R Documentation |
Plant Species Traits Data
Description
This dataset constitutes a description of 136 plant species
according to biological attributes (morphological or reproductive)
Usage
data(plantTraits)
Format
A data frame with 136 observations on the following 31 variables.
pdias Diaspore mass (mg)
longindex Seed bank longevity
durflow Flowering duration
height Plant height, an ordered factor with levels
1 < 2 < ... < 8 .
begflow Time of first flowering, an ordered factor with levels 1 < 2 < 3 < 4 < 5 < 6 < 7 < 8 < 9
mycor Mycorrhizas, an ordered factor with levels 0 never < 1 sometimes< 2 always
vegaer aerial vegetative propagation, an ordered
factor with levels 0 never < 1 present but limited< 2 important.
vegsout underground vegetative propagation, an ordered
factor with 3 levels identical to vegaer above.
autopoll selfing pollination, an ordered factor with
levels 0 never < 1 rare < 2 often< the rule3
insects insect pollination, an ordered factor with 5 levels 0 < ... < 4 .
wind wind pollination, an ordered factor with 5 levels 0 < ... < 4 .
lign a binary factor with levels 0:1 ,
indicating if plant is woody.
piq a binary factor indicating if plant is thorny.
ros a binary factor indicating if plant is rosette.
semiros semi-rosette plant, a binary factor (0 :
no; 1 : yes).
leafy leafy plant, a binary factor.
suman summer annual, a binary factor.
winan winter annual, a binary factor.
monocarp monocarpic perennial, a binary factor.
polycarp polycarpic perennial, a binary factor.
seasaes seasonal aestival leaves, a binary factor.
seashiv seasonal hibernal leaves, a binary factor.
seasver seasonal vernal leaves, a binary factor.
everalw leaves always evergreen, a binary factor.
everparti leaves partially evergreen, a binary factor.
elaio fruits with an elaiosome (dispersed by ants), a binary factor.
endozoo endozoochorous fruits, a binary factor.
epizoo epizoochorous fruits, a binary factor.
aquat aquatic dispersal fruits, a binary factor.
windgl wind dispersed fruits, a binary factor.
unsp unspecialized mechanism of seed dispersal, a binary factor.
Details
Most of factor attributes are not disjunctive. For example, a plant can be usually
pollinated by insects but sometimes self-pollination can occured.
Source
Vallet, Jeanne (2005)
Structuration de communautés végétales et analyse comparative de
traits biologiques le long d'un gradient d'urbanisation.
Mémoire de Master 2 'Ecologie-Biodiversité-Evolution';
Université Paris Sud XI, 30p.+ annexes (in french)
Examples
data(plantTraits)
## Calculation of a dissimilarity matrix
library(cluster)
dai.b <- daisy(plantTraits,
type = list(ordratio = 4:11, symm = 12:13, asymm = 14:31))
## Hierarchical classification
agn.trts <- agnes(dai.b, method="ward")
plot(agn.trts, which.plots = 2, cex= 0.6)
plot(agn.trts, which.plots = 1)
cutree6 <- cutree(agn.trts, k=6)
cutree6
## Principal Coordinate Analysis
cmdsdai.b <- cmdscale(dai.b, k=6)
plot(cmdsdai.b[, 1:2], asp = 1, col = cutree6)
Results
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