Wetlands, rivers, lakes, and coastal estuaries are all aquatic ecosystems—critical elements of Earth’s dynamic processes and essential to human economies and health. Wetlands connect land and ...

Eutrophication is also associated with major changes in aquatic community structure ... is often positively related to nutrient levels and ecosystem productivity. Piscivorous fishes (e.g ...

Beneficial bacteria are essential for decomposing organic waste in ponds. One cost-effective method to promote their ...