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Allee effects are relevant to biologists who study rarity, and to conservationists and managers who try and protect endangered populations. This book provides an overview of the Allee effect, the mechanisms which drive it and its consequences for population dynamics, evolution and conservation.
The history of ecology. Populations. The community. Ecology and evolution.
Although science may claim to be "objective," scientists cannot avoid the influence of their own values on their research. In The State of Nature, Gregg Mitman examines the relationship between issues in early twentieth-century American society and the sciences of evolution and ecology to reveal how explicit social and political concerns influenced the scientific agenda of biologists at the University of Chicago and throughout the United States during the first half of this century. Reacting against the view of nature "red in tooth and claw," ecologists and behavioral biologists such as Warder Clyde Allee, Alfred Emerson, and their colleagues developed research programs they hoped would validate and promote an image of human society as essentially cooperative rather than competitive. Mitman argues that Allee's religious training and pacifist convictions shaped his pioneering studies of animal communities in a way that could be generalized to denounce the view that war is in our genes.
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Annotation Explores the contributions and challenges presented when scientific authority enters the realm of environmental affairs. Practical examples and case studies illustrate that science must be relevant, credible, and democratic.
Archie Carr, one of the greatest biologists of the twentieth century, played a leading part in finding a new and critical role for natural history and systematics in a post-1950s world dominated by the glamorous science of molecular biology. With the rise of molecular biology came a growing popular awareness of species extinction. Carr championed endangered sea turtles, and his work reflects major shifts in the study of ecology and evolution. A gifted nature writer, his books on the natural history of sea turtles and their habitats in Florida, the Caribbean, and Africa entertained and educated a wide audience. Carr's conservation ethic grew from his field work as well as his friendships with the fishermen who supplied him with many of the stories he retold so engagingly. With Archie Carr as the focus, The Man Who Saved Sea Turtles explores the evolution of the naturalist tradition, biology, and conservation during the twentieth century.