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Reviving Aquatic Life in the Elwha River Waters: An Ecological Restoration Project

Explore the diverse functional feeding groups of aquatic insects and macroinvertebrates in the Elwha River post-dam removal. Witness the crucial roles played by grazers/scrapers, shredders, collector/gatherers, filter-feeders, and predators. This project, made possible by a grant from Washington’s National Park Fund, showcases the biofilm assemblages, caddisfly larvae, freshwater snails, mayfly larvae, cranefly larvae, stonefly larvae, midge larvae, amphipods, copepods, freshwater mussels, hydras, dragonfly larvae, adult water beetles, water striders, dobsonfly larvae, and water boatmen. Discover the wonders of nature restoring balance in the Elwha River ecosystem.

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Reviving Aquatic Life in the Elwha River Waters: An Ecological Restoration Project

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  1. Functional Feeding Groups Aquatic Insects and Macroinvertebrates FREEING THE ELWHA

  2. Biofilm FREEING THE ELWHA

  3. Grazers/Scrapers Caddisfly larva Freshwater snail Mayfly larva FREEING THE ELWHA

  4. Shredders Caddisfly larva Cranefly larva Mayfly Larva Caddisfly Larva FREEING THE ELWHA

  5. Collector/Gatherers Drunella mayfly larva Stonefly larva Caddisfly larvae FREEING THE ELWHA

  6. Filter-Feeders Midge Larvae Amphipod Copepod Freshwater Mussels Freshwater Hydra FREEING THE ELWHA

  7. Predators Dragonfly larva Adult water beetle Water beetle larva Adult dragonfly FREEING THE ELWHA

  8. Predators Water strider Dobsonfly larva Water boatman FREEING THE ELWHA

  9. This project was made possible in part by a grant from Washington’s National Park Fund. FREEING THE ELWHA

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