sperich1.5-9 package

Auxiliary Functions to Estimate Centers of Biodiversity

add.Edges

Edge Creation

adjustment

Adjustment of interpolated species richness

cclFun

Connected Component Labeling

createHeightmask

Height-Mask Creation

createImage

Image Creation

createLandwatermask

Land-Water-Mask Creation

createNonInterpolatedGrid

Create a species occurrences grid with no interpolation

data.into.Grid

Species occurrences to grid

edgeNotValid

Edge-Water-Test

evaluate

Result grid evaluation

export_tif

Export result grid as GeoTiff

extract.species

Species Extraktion

fill.Areas

Fill Algorithm

generate.subsamples

Subsample Creation

getDimension

getDimension

getDistance

Distance between two points in a grid

getNarrowEndemics

Narrow endemic species extraction

getOrigin

Origin Koordinates

searchClusters

Search clusters in the result grid of species richness estimation.

species.range

Species range estimation

species.richness.CV

Species richness cross-validation

species.richness.main

Main Function for species richness estimation

species.richness.nonweighted

Species richness estimation without weighting

species.richness

Species richness estimation

Download source packageRead PDF manual

Provides some easy-to-use functions to interpolate species range based on species occurrences and to estimate centers of biodiversity.

  • Maintainer: Maximilian Lange
  • License: GPL (>= 2)
  • Last published: 2023-07-18