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ElevDistr (version 1.0.9)

Calculate the Distance to the Nearest Local Treeline

Description

A method to calculate the distance to the climatic tree line for large data sets of coordinates (World Geodetic System 1984) with geographical uncertainty. The default thresholds and the treeline definition is based on Paulsen and Körner (2014) , users are free to decide what climate layers they would like to use.

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Install

install.packages('ElevDistr')

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1

Version

1.0.9

License

MIT + file LICENSE

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Maintainer

Livio Bätscher

Last Published

October 7th, 2024

Functions in ElevDistr (1.0.9)

pointsAboveTreeline

Points on or above the treeline
get_nearest_point

Search the nearest point in a data frame
classify_above_treeline

Classify points as above or below the treeline
sample_treeline

Compute the local treeline
distance_to_treeline

Wrapper that calculates the distance relative to the nearest local treeline
generate_point_df

Generate a data frame with points above the treeline
calculate_distance

Sample and calculate the distance to the local treeline
generate_grid

Generate a grid around the input point
plot_distr

Plot the sampled area