Measures of the Health of Rivers and Streams - Hydro-Environmental Analysis: Freshwater Environments - page 209

and frogs, 44 species of reptiles and turtles, 43 species of mollusks and gastropods, and lesser
numbers of other species, with a total of 994 introduced species. Of the 668 ish recorded, 276 were
exotic and 309 were native transplants. Of the 241 exotics, the majority were introduced by either
aquaculture, stocking, or aquarium release (Figure 7.13).
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