Limnologi (sötvatten)
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A stunningly illustrated atlas of the world's rivers, estuaries, and deltas, and their ecosystemsFrom the Congo and the Mekong to the Seine and the Mississippi, Earth's rivers …
River otters, black bears, and red foxes drink from its clear waters. Prickly pear cacti grow from the red shale cliffs that overlook it, while on the river near Bordentown lies …