# spatial community patterns

**Repository Path**: ecology/spatial-community-patterns

## Basic Information

- **Project Name**: spatial community patterns
- **Description**: Various spatial patterns of population and community
- **Primary Language**: R
- **License**: GPL-3.0
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2015-03-04
- **Last Updated**: 2020-12-18

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

This is an under developing R package, which aims to quantify population/community structures from various angles.

#spatial community structures

Based on general individual-mapped data from the CTFS (http://www.ctfs.si.edu/; http://www.cfbiodiv.org/), the package can easily produce various spatial inexplicit and explicit population and community structures. it includes


## spatial inexplicit patterns
  
common indexes

1. total abundance of the population/community
2. species abundance list of the community
3. total richness of the community
4. species evenness of the community
5. species' important values in a given community
6. various species diversity indexes
7. various functiona diversity indexes
8. various phylogenetic diversity indexes
  
Niche related patterns

1. calculate species trait-based niche
2. caluclate resource-based niche
3. niche overlap matrix between species


## spatial explicit patterns


Population structures

1. intra-specific spatial abundance distribution 
2. range area relationship by box-counting method
3. intra-specific commonality
4. intra-specific dispersal distribution
5. aggregation measures by O-ring, K-function, pair correlation function, L function et al.


Supported community structures

1.  species abundance distribution (SAD)
2.  species area relationship (SAR)
3. collector's curve
4. endemics area relationship (EAR)
5. community-level commonality
6. pairwise association measures
7. phylogenetic mark correlation function


The package also include various null models of population and communities for testing ecological hypotheses.

species shuffling null model

## Current focus
Pairwise Species association
point pattern reconstruction