Riverine

"Indian legends would alone have been my guide, for I found that rumors of a strange land were common among all the riverine tribes."

Source: wiktionary

It is perhaps instructive to note that tropical riverine batagurids, although more similar to other river-dwelling lineages in reproductive patterns than to other semi-aquatic and terrestrial batagurids, still tend to have lower fecundities and bigger eggs relative to their body sizes than do the other groups (e.g., riverine emydids, trionychids, and podocnemids) (Moll & Moll, 1990).

Source: wiktionary

2017: We don’t need to save endangered species. Extinction is part of evolution" by R. Alexander Pyron in the Washington Post When beavers make a dam, they cause the local extinction of numerous riverine species that cannot survive in the new lake.

Source: wiktionary

The meeting – titled Amazon: Centre of the World – brought together hundreds of forest guardians and their supporters, including indigenous leader Raoni Metuktire, riverine communities, quilombolas, environmental activists, academics, artists, Catholic bishops, nuns and European visitors from Extinction Rebellion and Fridays for Future.

Source: wiktionary