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sperich (version 1.5-7)

Auxiliary Functions to Estimate Centers of Biodiversity

Description

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

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Version

Install

install.packages('sperich')

Monthly Downloads

138

Version

1.5-7

License

GPL (>= 2)

Maintainer

Maximilian Lange

Last Published

July 8th, 2015

Functions in sperich (1.5-7)

adjustment

Adjustment of interpolated species richness
createHeightmask

Height-Mask Creation
add.Edges

Edge Creation
createNonInterpolatedGrid

Create a species occurrences grid with no interpolation
dataset.height

Height-Information Dataset
getNarrowEndemics

Narrow endemic species extraction
extract.species

Species Extraktion
evaluate

Result grid evaluation
getShift

Origin Koordinates
species.richness.nonweighted

Species richness estimation without weighting
generate.subsamples

Subsample Creation
species.richness.main

Main Function for species richness estimation
species.range

Species range estimation
dataset.all.species

Angiosperm Dataset
species.richness.cv

Species richness cross-validation
dataset.landwater

Land-Water-Information Dataset
createImage

Image Creation
data.into.Grid

Species occurrences to grid
fill.Areas

Fill Algorithm
species.richness

Species richness estimation
edgeNotValid

Edge-Water-Test
getDimension

getDimension
createLandwatermask

Land-Water-Mask Creation
searchClusters

Search clusters in the result grid of species richness estimation.
getDistance

Distance between two points in a grid
exportAsGDAL

Export result grid as GDAL grid map