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Ecology and ManMade Change
Pollution Industrial Accidents and Species Manipulations
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acres agricultural alligator American Archie Carr areas biological biologist birds blue whale breeding Camp Smith canal cause century chemical climate climax community complex conservation conservationists Corps of Engineers damage danger destruction detergent diversity earth ecological ecologists economic ecosystems effects eggs endangered environment environmental eutrophication Everglades example existing extinction farms fauna fish flood Florida gene Green Revolution green turtles growth habitat human hunting important increase industry insecticides insects ivory-bill ivory-billed woodpecker killed kind Lake land landscape major marine marsh miles National Park native natural communities nesting Oklawaha Oklawaha River orangutan organisms oxygen percent pest plants poisons pollution population population density predators preserve problem production protection redwood reef region River scientists soil species square miles survival tion Torrey Canyon trees United Valley variety waste wild animals wildlife York zoos