The riparian zone is the area adjacent to a river, a transition between the river and upland terrain. It might be wetlands, sloping hillsides, a floodplain or level terraces. Vegetation in this zone is crucial for organic detritus, edge habitat (providing food or shelter/nesting/ hiding/resting environments where the terrestrial and aquatic worlds meet), erosion control, and temperature control. The plant communities provide animal habitat, moderate temperature on land and in water, inhibit erosion and bind soil, provide organic material to the soil and river, and the woody debris that creates micro-habitats important to fish and invertebrate species.
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| In this part of the model the river is shown with vegetation in the river corridor |