Species abundance of electric fish upstream and downstream of the entrance of a tributary in the Amazon basin.
A data frame with 12 observations on the following 3 variables.
a character vector
a numeric vector of the number of species of electric fish present upstream of the tributary
a numeric vector of the number of species of electric fish present downstream of the tributary
Fernandes, C.C., J. Podos, and J.G. Lundberg. 2004. Amazonian ecology: tributaries enhance the diversity of electric fishes. Science 305: 1960-1962.
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