Indicator Species Analysis

Functions to assess the strength and statistical significance of the relationship between species occurrence/abundance and groups of sites

wetland

Wetland vegetation data set

coverage() plotcoverage()

Coverage of a set of indicators

combinespecies()

Combines species from a community table

multipatt()

Multi-level pattern analysis

indicators() print(<indicators>) summary(<indicators>) plot(<indicators>)

Indicator analysis for species combinations

predict(<indicators>)

Predicts site group from indicators

pruneindicators()

Determines the best subset of indicators

signassoc()

Statistical significance of species site-group associations

strassoc()

Strength of species site-group associations

summary(<multipatt>)

Summarizing multi-level pattern analysis

Niche metric functions

Functions to measure species niche breadth using resource categories

birds

Birds resource use data

pigeons

Pigeon seed consumption data

nichedispl() nicheoverlap()

Metrics to compare pairs of resource niches

nichecentroid() nichepref() nichevar()

Resource niche metrics for a single niche

plotniche()

Draws a single resource niche