plantTraits {asbio}

Plant traits for 136 species

Description

This dataset, from the library cluster, describes 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

Mycorrhizae, 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.