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Ecological Processes
Fig. 1 | Ecological Processes

Fig. 1

From: Neocosmopolitan distributions of invertebrate aquatic invasive species due to euryhaline geographic history and human-mediated dispersal: Ponto-Caspian versus other geographic origins

Fig. 1

Proportions of global nonindigenous aquatic invertebrate taxa (left) vs. Ponto-Caspian aquatic invertebrate taxa (right) living in: (A) (top, blue) the saline adaptive zone, i.e., brackish and/or marine waters (0.5–35+ ppt), (B) (yellow) the freshwater adaptive zone, i.e., exclusively in fresh water (0–0.5 ppt), (C) (red) both the freshwater and saline adaptive zones (i.e., being euryhaline, 0–35+ ppt), and (D) (bottom) semi-aquatic, e.g., inhabiting terrestrial and aquatic, either freshwater (D1, brown) or saline (D2, green) habitats, changing with life cycle stage

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