What is a primary consequence of high soluble phosphorus levels in bodies of water?

High levels of soluble phosphorus in bodies of water significantly contribute to increased algal growth, a phenomenon known as eutrophication. Phosphorus is a key nutrient that supports the growth of algae and aquatic plants. When phosphorus levels are elevated, it fuels rapid algae proliferation, leading to algal blooms.

These blooms can have a variety of negative ecological effects. They can block sunlight from reaching underwater plants, disrupt ecosystems, and later result in large die-offs of algae, which decompose and consume dissolved oxygen in the water. This process can lead to hypoxic conditions, where there is insufficient oxygen for fish and other aquatic organisms, ultimately negatively impacting fish populations and overall water quality.

Understanding the role of phosphorus in aquatic ecosystems is vital for managing water quality and controlling algal growth, thus making it clear why increased algal growth is the primary consequence of high soluble phosphorus levels.