Explanation in much of cultural geography has been historical, change being attributed to the availability of new ideas through innovation and diffusion. This approach, however, does not tell us why an idea is adopted. A potentially useful concept for cultural geography is that of adaptation, or strategy for survival, with attention to variation and its origins, the process of selection from variation, and either change or resilience in the face of environmental change.
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William M. Denevan (1983) studied this question.
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