Birds2Estuaries: Birds Abundance Data in Two Estuaries

In JohnsonHsieh/ChaoShared: Statistical package 'ChaoShared'

Description

This data was analyzed in details by Chao et al. (2000). A total of 85867 and 59646 observations have been made from two estuaries (which are hereafter referred to as Community I and II respectively).

In these two communities, there were, respectively, 155 and 140 species observed, with 111 of these recorded for both areas (shared species).

Usage

data(Birds2Estuaries)

Format

A numerical matrix or a data frame with two columns. The first column represent the species abundances of community 1, second column is the species abundance of community 2.

		[Com 1]	[Com 2]
	[Sp 1 ]	39	42
	[Sp 2 ]	0	70
	[Sp 3 ]	0	1
	[Sp 4 ]	842	616
	[.....]	...	...
	[Sp200]	63	8
	[Sp201]	1	1

Source

Chao, A., Hwang, W.-H., Chen, Y.-C. and Kuo. C.-Y. (2000). Estimating the number of shared species in two communities. Statistica Sinica 10, 227-246.

Examples

data(Birds2Estuaries)

JohnsonHsieh/ChaoShared documentation built on May 7, 2019, 12:01 p.m.