Ph.D. Limnology is a research-level course with duration of 3 years. Limnology is the investigation of inland oceanic biological systems. The investigation of limnology incorporates parts of the organic, substance, physical, and topographical qualities and elements of inland waters (running and standing waters, new and saline, common and man-made). This incorporates the investigation of lakes, repositories, lakes, waterways, springs, streams, wetlands, and groundwater. A later sub-order of li