ecology By karla.vargas 1700 Antoine Lavoisier, discovered Oxygen and Carbon and their importance of living things. 1852 Robert Angus Smith connected acid rain to air pollution 1869 Ernst Haeckel coins the term ecology 1875 Eduard Seuss defines the biosphere 1897 Animal camouflage studied and described 1900 Henry Chandler Cowles studies ecological succession 1915 Ecological Society of America founded 1935 The Dust Bowl crisis re-focuses ecology on practical land usage practices 1935 Arthur Tinsley defines ecosystem 1950 People first become aware of the harmful effects of pollution on ecological systems and on people. 1951 Nature Conservancy is founded. 1953 Eugene Odum, Howard Odum wrote the first ecology textbook and ecology becomes a university course. 1972 Acid rain effects on lakes is discovered and studied by Harold Harvey 1978 Conservation Biology established as a discipline focusing on environmental management 1982 Scientists discover hole in the ozone over Antarctica 1985 Water pollution seriously reduced due to new sewage treatment practices 1988 Air pollution reduced in cities as unleaded gas and catalytic converters are used in autos