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

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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

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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) 

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