simberloff:
Compilations of genus and species counts from Simberloff (1970)
Description
A compilation of taxonomic (species and genus) counts for a wide array of organism groups for island and associated mainland locations. Taken from Simberloff (1970).
Format
A data frame with 204 observations on the following 12 variables.
Location- Island and mainland location.
Designation- A factor with levels
Island Mainland. Hypothesized.source- Hypothesized mainland location for particular island location.
No.spp.- The number of species
Obs.S.G- Observed species/genus (S/G) ratio
E.S.G.- Expected S/G ratio, based on random sampling from mainland pool of species.
prop..obs..cogeners- The proportion of observed cogeners, only reported for bird species.
prop..exp..cogeners- The proportion of expected cogeners based on raindom sampling from the associated mainland pool of species, only reported for bird species.
Authority- Sourc of infomration for compilation,
Life.form- A factor with levels
Ants Land birds Passerine birds Vascular plants. Notes.1- Notes from Simberloff (1970)
Notes.2- Additional notes from Simberloff (1970)
Source
Simberloff, D. (1970) Taxonomic diversity of island biotas. Evolution 24, 23-47.