Mongabay: The world's largest river system is being rapidly degraded and imperiled by dams, mining, overfishing, and deforestation, warns a study published last week by an international team of scientists.
Writing in the journal Conservation Letters, researchers led by Leandro Castello, a research associate at the Woods Hole Research Center, catalog the litany of threats facing the Amazon river and its tributaries. They note that existing terrestrial protected areas may not be enough to protect river ecosystems...