After Largest Dam Removal in U.S. History, This River Is Thriving | National Geographic

What was the primary reason for removing the two hydroelectric dams from the Elwha River?

• To create new fishing spots for people.

• To generate more electricity for nearby towns.

• To restore natural spawning areas for endangered salmon.

• To prevent future floods in the area.

What important role does the nearshore environment play for young fish like salmon?

• It serves as a deep-water hunting ground for adult fish.

• It acts as a nursery, providing food, habitat, and protection.

• It is primarily a place for fish to lay their eggs.

• It helps filter pollutants from the river before it reaches the ocean.

Besides allowing fish passage, what two natural materials were liberated by the dam removal that are important for the nearshore environment?

• Plastic and metal

• Wood and sediment

• Rocks and concrete

• Fertilizers and nutrients

What types of habitats are formed in the nearshore environment due to the liberation of wood and sediment?

• Coral reefs and mangrove forests.

• Deep ocean trenches and hydrothermal vents.

• Beaches, kelp beds, and eelgrass beds.

• Freshwater lakes and ponds.