A spawning salmon jumps as water flows over a small dam that has trapped fall leaves during the fall spawning season at the Issaquah Fish Hatchery in Issaquah, Wash., in October 2019. (AP Photo/Ted S. Warren)

Habitat loss and over‑exploitation are leading to a decline in salmon populations

Freshwater ecosystems are among the most threatened and degraded environments in the world. The way we use the land surrounding waterways can have devastating impacts on aquatic life.

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