Fig. 2 | Scientific Data

Fig. 2

From: A database of freshwater fish species of the Amazon Basin

Fig. 2

(a) Number of records, (b) density of sites (number of sites divided by the sub-drainage area and areas without information using the HydroBASINS Level7 spatial grain unit30), (c) total number of species and (d) number of endemic species (species present only in the Amazon Basin and only in the sub-drainage) for the 144 sub-drainage units.

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