funrar

From a site-species matrix and functional distance matrix compute all indices
included in the package: functional uniqueness (regional, functional),
functional distinctiveness (local, functional), geographical restrictedness
(regional, extent), scarcity (local, abundance). Note: scarcity can
only be computed if relative abundances are provided in the site-species
matrix.

Computes functional rarity indices as proposed by Violle et al.
(2017) <doi:10.1016/j.tree.2017.02.002>. Various indices can be computed
using both regional and local information. Functional Rarity combines both
the functional aspect of rarity as well as the extent aspect of rarity.
'funrar' is presented in Grenié et al. (2017) <doi:10.1111/ddi.12629>.

Matthias Greni

Functional Rarity Indices Computation

Matthias Grenié

Pierre Denelle

Caroline Tucker

François Munoz

Cyrille Violle

funrar function

<dl><dt>pres_matrix</dt>
<dd>a site-species matrix (presence-absence or relative
abundances), with sites in rows and species in columns</dd>
<dt>dist_matrix</dt>
<dd>a species functional distance matrix</dd>
<dt>rel_abund</dt>
<dd>logical (<code>TRUE</code> or <code>FALSE</code>) indicating if
site-species matrix contain relative abundances values or only
presence-absence data (default = <code>FALSE</code>)</dd></dl>

Arguments

Compute all Functional Rarity Indices from Matrices — funrar

<dl>

<dt>pres_matrix</dt>
<dd>a site-species matrix (presence-absence or relative
abundances), with sites in rows and species in columns</dd>


<dt>dist_matrix</dt>
<dd>a species functional distance matrix</dd>


<dt>rel_abund</dt>
<dd>logical (<code>TRUE</code> or <code>FALSE</code>) indicating if
site-species matrix contain relative abundances values or only
presence-absence data (default = <code>FALSE</code>)</dd>

</dl>

funrar: Compute all Functional Rarity Indices from Matrices

Description

Usage

Value

Arguments

See Also