undammed
Undammed refers to a river or stream that has not been altered by the construction of dams. The absence of dams allows for the natural flow of water, which can have significant ecological and environmental benefits. Undammed rivers often have higher water quality due to reduced sediment deposition and the absence of dam-related pollutants. They also support a greater diversity of aquatic life, as the natural flow supports a wider range of habitats and food sources. Additionally, undammed rivers can have higher water temperatures, which can influence the types of species that can inhabit them. However, undammed rivers can also be more prone to flooding and may have less predictable water levels, which can impact human activities such as agriculture and hydropower generation. The preservation of undammed rivers is an important consideration in river management and conservation efforts.