Electric Fish

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Description

Species abundance of electric fish upstream and downstream of the entrance of a tributary in the Amazon basin.

Usage

1

Format

A data frame with 12 observations on the following 3 variables.

tributary

a character vector

species.upstream

a numeric vector of the number of species of electric fish present upstream of the tributary

species.downstream

a numeric vector of the number of species of electric fish present downstream of the tributary

Source

Fernandes, C.C., J. Podos, and J.G. Lundberg. 2004. Amazonian ecology: tributaries enhance the diversity of electric fishes. Science 305: 1960-1962.

References

http://www.sciencemag.org/cgi/content/abstract/305/5692/1960

Examples

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data(ElectricFish)
ElectricFish
require(grid)
xyplot(species.upstream ~ species.downstream, data = ElectricFish,
  panel=function(x, y, ...){
    grid.text(ElectricFish$tributary, x=x, y=y, 
      rot = 45,
      gp = gpar(cex=.6),
      default.units = 'native')
    }
  )

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