This text includes the basic foundation information of limnology in an appropriate length for a one-semester course. It is written for intermediate undergraduate college students with some science background, including an introductory biology course. The text is especially well-suited for undergraduate majors in zoology, botany, conservation biology, biology, environmental studies, ecology, aquatic biology, and related fields. "Introduction to Limnology" contains more biology, ecology, and human-environmental connections than other such books on the market. The text emphasizes aquatic ecology, with a wide range of ecological fields represented, including: landscape, ecosystem, physiological, population, community, and biome.