Limnology zoologist) and Einar Naumann (a Swedish botanist) co-founded the International Society of Limnology (SIL, from Societas Internationalis Limnologiae). Forel's original definition of limnology, "the oceanography of lakes", was expanded to encompass the study of all inland waters, and influenced Benedykt Dybowski's work on Lake Baikal. Prominent early American limnologists included G. Evelyn Hutchinson, Ed Deevey, E. A. Birge, and C. Juday. Physical properties of aquatic ecosystems are determined by a combination of heat, currents, waves and other seasonal distributions of environmental conditions. The morphometry of a body of water depends on the type of feature (such as a lake, river,
What Is Art? inclusive: "jokes", "home decoration", and "church services" may all be considered art as long as they convey feeling. It is also amoral: "[f]eelings … very bad and very good, if only they infect the reader … constitute the subject of art". Tolstoy also notes that the "sincerity" of the artist—that is, the extent to which the artist "experiences the feeling he conveys"—influences the infection. While Tolstoy's basic conception of art is broad and amoral, his idea of "good" art is strict and moralistic, based on what he sees as the function of art in the development of humanity: just as