World·Source-based summary

Sea otters returned to a California estuary;eelgrass expanded 600%, marsh-edge erosion slowed 69%

Sea otters returned to California’s Elkhorn Slough in 1984 when pollution had severely affected its ecosystem. Their recovery triggered changes across the food web, helping eelgrass beds expand by 600%. A later study found marsh-edge erosion slowed by an average of 69%, as otters

This is a source-based summary, not original reporting by Ebenezer journalists. Source: Times of India · Original byline: TOI Science Desk. Ebenezer published 9 Sept 2026, 06:25 pm. Editorial policy.

World — TOI Science Desk