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Hybrid zones--geographical areas in which the hybrids of two races are found--have attracted the attention of evolutionary biologists for many years, both because they are windows on the evolutionary process and because the patterns of animals and plant variation seen in hybrid zones do notfit the traditional classification schemes of taxonomists. Hybrid zones provide insights into the nature of the species, the way barriers to gene exchange function, the genetic basis of those barriers, the dynamics of the speciation process. Hybrid Zones and the Evolutionary Process synthesizes theextensive research literature in this field and points to new directions in research. It will be read with interest by evolutionary biologists, geneticists, and biogeographers.
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Intended for undergraduate and graduate students in conservation biology, natural resource management, and ecology, this book compiles compelling case histories in molecular ecology.
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Discusses the development of the shapes of living organisms and their parts in a field of science in which there are no generally accepted theoretical principles.
Includes field staffs of Foreign Service, U.S. missions to international organizations, Agency for International Development, ACTION, U.S. Information Agency, Peace Corps, Foreign Agricultural Service, and Department of Army, Navy and Air Force