A critical index of films and filmstrips in conservation, dealing with renewable resources, non-renewable resources, resources and people, and ecology (1965)

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PART I FILMS RENEWABLE RESOURCES A TREE IS BORN Color—Sound Du Art Film Laboratories, Inc. 29 minutes Rental—Sale At some length but with meticulous and above average photog- raphy, this film provides an excellent introduction to the study of hybrid pines through controlled pollination. The use of time-lapse photography graphically illustrates both the germination and growth of these hybrids and most of the story is devoted to their proper development, testing and planting. However, of interest to ecologists is the fact that the story constantly emphasizes the rela- tionship in detailed sequence of tree succession and the need of proper environment. A definitive though somewhat long contribu- tion which should intensify audience appreciation of the magnitude of tree planting and application of genetic principles. Produced by the U. S. Department of Agriculture. audience: Junior high; senior high; adult A WAY OF LIFE Color—Sound Missouri Conservation Commission 27 minutes Rental Predators have always been among the least sympathetic and most misunderstood characters in the conservation field. This film stresses their value and importance in the ecological pattern. Although the story is restricted to the Missouri countryside, the findings are of significant importance to the United States as a whole. The film presents an eloquent case for the so-called balance of nature and the part the predators such as the coyote, fox and other animals play in it. Mankind is also acknowledged as a predator, but this story proves him to be far less effective than the natural predators. Of value as a needed dimension to the ecological story which conservation must