What is the potential impact of pesticide runoff on aquatic ecosystems?

Pesticide runoff can significantly harm aquatic ecosystems by introducing harmful concentrations of chemicals into water bodies. When pesticides are used in agricultural or forestry practices, rain and irrigation can wash these chemicals into nearby streams, rivers, and lakes, leading to contamination. This can disrupt the delicate balance of aquatic ecosystems, adversely affecting fish, invertebrates, and plant life.

High concentrations of pesticides can be toxic to various aquatic organisms. For example, fish may experience reproductive and developmental issues, while invertebrates can suffer from acute toxicity, leading to population declines. Additionally, these chemicals can alter the nutrient balance in the water, further impacting the health of the ecosystem.

Addressing the implications of pesticide runoff is crucial for maintaining the integrity of aquatic environments and ensuring the sustainability of water resources. The correct answer highlights the severe consequences that pesticide runoff can have on water quality and aquatic life.