The day the tide turned red, 1975

The day the tide turned red, 1975. An educational documentary published by the United States Navy and produced for The Oceanographer of the Navy by Fordel Films, Inc. Film number MN-11395. The film describes the history of red tides, dinoflagellates which cause them, the conditions that encourage plankton blooms, and the effects of red tides on fish, shellfish, and man. The marine ecology of coastal areas and red tides in the United States, especially Florida, Massachusetts and Southern California are discussed. The film employs footage of coastal areas and red tides, moving and still images of plankton, and interviews with scientists to describe research on red tides, plankton, and toxins. It explains why the Navy supports this research. The film includes brief interviews with scientists including: Dean Martin and Gregory Smith (University of South Florida) Bernard C. Abbott and Timothy O'Brien and Alvin Seiger and Dorothy Soule (University of Southern California), H. David Baldridge and Perry Gilbert and Karen Steineger (Mote Marine Laboratory, Florida), O. Holm-Hansen (Scripps Insitution of Oceanography), Theodore Jahn (University of California at Los Angeles), Young S. Kim and Dean Martin and Gregory Smith (University of South Florida), Mikihito Oguri (Los Angeles Harbor Program), Charles Yentsch and Clarice Yentsch (Gloucester Marine Station). On can: "Dept. of the Navy 'The Day the Tide Turned Red'"; On gray metal reel; Leader note: "Red Tide 2x"; B-wind; emulsion out; color; positive; sound - opt. - dual. 24 frames per second, 994.2 feet.