Which method is commonly used to protect aquatic ecosystems?

Implementing water quality regulations is a vital method used to protect aquatic ecosystems. These regulations are designed to safeguard water bodies by establishing permissible limits for pollutants, controlling discharges of harmful substances, and ensuring sustainable practices are adhered to by industries and urban areas. By maintaining high water quality, these regulations help preserve the biodiversity, health, and functioning of aquatic ecosystems, which are crucial for the survival of fish, plants, and other organisms that depend on clean water. This proactive approach helps to prevent degradation of habitats and supports efforts to restore and protect biodiversity in both freshwater and marine environments.

In contrast, urban expansion can lead to habitat destruction, increased runoff, and pollution, all of which threaten aquatic ecosystems. Building dams can alter water flow and disrupt the natural habitat for various aquatic species. The use of chemical pesticides can pollute water resources, harming aquatic life and diminishing ecosystem health. Thus, implementing water quality regulations stands out as a fundamental strategy in promoting the preservation and resilience of aquatic ecosystems.