Complex sentence: The zone will cover roughly 10,000 km² of lakebed, its overlaying freshwater, and associated shoreline, and 60 km² of islands and mainland, home to numerous species including herons, peregrine falcons, and bald eagles.
Split into simpler sentences: The zone will cover roughly 10,000 km² of lakebed, its overlaying freshwater, and associated shoreline on 60 km² of islands and mainland. The area is home to numerous species including herons, peregrine falcons, and bald eagles.