# Species diversity on the Galapagos Islands

### Description

There are 30 Galapagos islands and 7 variables in the dataset. The relationship between the number of plant species and several geographic variables is of interest. The original dataset contained several missing values which have been filled for convenience.

### Usage

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### Format

The dataset contains the following variables

`Species`

the number of plant species found on the island

`Endemics`

the number of endemic species

`Area`

the area of the island (km$^2$)

`Elevation`

the highest elevation of the island (m)

`Nearest`

the distance from the nearest island (km)

`Scruz`

the distance from Santa Cruz island (km)

`Adjacent`

the area of the adjacent island (square km)

### Note

original from the package faraway, but there tortoise instead of plant species

### Source

M. P. Johnson and P. H. Raven (1973) "Species number and endemism: The Galapagos Archipelago revisited" Science, 179, 893-895