Limnologists are scientists who study inland aquatic systems, such as lakes, rivers, and wetlands. They focus on the physical, chemical, and biological aspects of these freshwater environments. By understanding how these ecosystems function, limnologists can assess water quality, monitor biodiversity, and evaluate the impacts of human activities. Their work often involves collecting samples, conducting experiments, and analyzing data to understand the interactions between organisms and their habitats. Limnologists may collaborate with other scientists, policymakers, and conservationists to develop strategies for managing and protecting freshwater resources, which are vital for both ecosystems and human communities.