plantTraits {asbio} | R Documentation |
Plant traits for 136 species
Description
This dataset, from the library cluster
, 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 rule'3'.
- 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 occur.
Note
The description here follows directly from that in cluster
.
Source
Vallet, Jeanne (2005) Structuration de communautes vegetales et
analyse comparative de traits biologiques le long d'un gradient
d'urbanisation. Memoire de Master 2
'Ecologie-Biodiversite-Evolution'; Universite Paris Sud XI, 30p.+
annexes (in french).
Maechler, M., Rousseeuw, P., Struyf, A., Hubert, M. (2005). Cluster
Analysis Basics and Extensions; unpublished.
[Package
asbio version 0.1
Index]