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By Timothy P. Bayliss-Smith (Eds.)

ISBN-10: 012083250X

ISBN-13: 9780120832507

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Communication between the government station and the fieldworkers in the village was secured by the purchase of a four-wheel drive vehicle. Electricity for refrigeration, lighting and the laboratory was assured by the provision of suitable generators at both locations. FIGURE 1. T h e hills and valleys of the Lufa region of the Eastern Highlands. FIGURE 2. A village at Lufa. 32 RICHARD W . HORNABROOK 3. Lufa—the Highlands Study Area The general working plan was to systematically proceed with the various K a r Kar Island studies and on their completion to transport personnel and equipment to Goroka where the investigation of the Highlands was to be based.

More complex serological and biochemical investigations were analysed elsewhere, often overseas, the specimens being deep frozen and subsequently shipped on ice to the appropriate laboratory. Demographic, genetic, medical and anthropométrie data served as a foundation to three interrelated investigations which, because of their sophistication and the demands they made on resources, form the central pivotal point to the whole IBP project. They involved an assessment of energy and nutrient intake; the heat stress, and temperature control mechanisms involved in adaptation to it ; and respiratory function both in relation to physical fitness and disease states.

Equally striking was the rapid and uniform reduction in body musculature and physical dimensions which occurred with ageing, changes which had begun to make their appearance by the middle and late nineteen-thirties, and were quite prominent in both populations (Harvey, 1974; Sinnett, 1972 and Chapter I V ) . Physical anthropométrie assessments confirmed the difference in the physical structure and proportions of individuals in the two populations. , 1972). Studies of red cell enzymes, haemoglobin and red cell antigens confirmed the presence of distinctive traits indicative of the marked heterogeneity of New Guinea populations (Serjeantson, 1975).

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