Nutrient loading, primarily from agricultural runoff and wastewater, significantly impacts aquatic habitats. Excess nutrients, particularly nitrogen and phosphorus, can lead to eutrophication, resulting in excessive algal blooms. These blooms deplete dissolved oxygen, causing hypoxia, which harms aquatic life and disrupts food webs. Nutrient loading also degrades water quality, affects biodiversity, and compromises habitats for fish and other aquatic organisms. Ultimately, addressing nutrient loading is crucial for maintaining healthy aquatic ecosystems and ensuring sustainable fisheries.