R: Birds in the Archipelago of Sipoo (Sibbo)

sipoo {vegan} | R Documentation

## Birds in the Archipelago of Sipoo (Sibbo)

### Description

Land birds on islands covered by coniferous forest in the Sipoo archipelago, southern Finland (landbridge/ oceanic distinction unclear from source).

### Usage

    data(sipoo)

### Format

A data frame with 18 sites and 50 species (Simberloff & Martin, 1991, Appendix 3). The species are referred by 4+4 letter abbreviation of their Latin names (but using five letters in two species names to make these unique). The example gives the areas of the studies islands in hectares.

### Source

Simberloff, D. & Martin, J.-L. (1991). Nestedness of insular avifaunas: simple summary statistics masking complex species patterns. Ornis Fennica 68:178–192.

### Examples

    data(sipoo)
    ## Areas of the islands in hectares
    sipoo.area <-  c(1.1, 2.1, 2.2, 3.1, 3.5, 5.8, 6, 6.1, 6.5, 11.4, 13,
    14.5, 16.1 ,17.5, 28.7, 40.5, 104.5, 233)

[Package vegan version 2.4-3 Index]