Mining, modernisation and dietary change among the Wopkaimin of Papua New Guinea

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Abstract
This paper examines retrospectively the changes in food and nutrient intake which have taken place over a nine‐year period in which the intrusion of a major gold and copper mine has brought rapid socio‐economic and ecological change to the Papua New Guinea Wopkaimin population, especially those who now rely upon cash incomes. A small proportion of the population remains subsistence‐oriented. Since 1975 taro (Colocasia), the traditional staple, has become less important, and sweet potato (Ipomoea batatas) more so. Store‐bought and imported western foods are the main sources of energy and protein for the population with cash income. Increased availability of food due to the relatively faster yielding sweet potato staple now cultivated at low elevations, and to the availability of money to buy food with, has resulted in increased energy intakes, but not of protein. Increased body mass of workers and workers’ wives is attributed to this increase in energy intake.

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