Freshwater research is the study of bodies of water, such as lakes, rivers, and streams, that contain low levels of salt. This research area focuses on understanding the ecological, physical, chemical, and biological processes that occur in freshwater ecosystems. Researchers in this field often study topics such as water quality, aquatic biodiversity, hydrology, and the impact of human activities on freshwater systems. The goal of freshwater research is to better understand and preserve these valuable resources for future generations.