Development,Labour Relations and Gender in Papua New Guinea.

This paper examines the relationship between ‘subsistence’ production, simple commodity production and wage labour and the different effects this relationship has on males and females. The peri-urban village of Siar, located a few kilometres north of Madang town in Papua New Guinea, is used as a case study. It is argued that the village as a social group is dependent on wage labour for its reproduction and hence is proletarianized. As part of the proletarianization process, married women in the village have become doubly subordinated: to capital and to men.     

A Place against Time: Land and Environment in the Papua New Guinea Highlands

Place against Time: Land and Environment in the Papua New Guinea Highlands. Paul Sillitoe. London: Harwood Academic Publishers, 1996. 438 pp.     

Alpha-thalassemia in Papua New Guinea

Summary A study of the distribution of -thalassemia in Papua New Guinea (PNG) was carried out by DNA analysis. A total of 664 DNA samples were screened for -thalassemia 2 and -thalassemia 1 caused respectively by either deletion of one or both of the duplicated -globin genes. -Thalassemia 2 was detected in high frequencies in coastal and lowland regions where malaria has been holo- to hyperendemic but in low frequencies in non-malarious highland regions. The highest frequency was observed in the north coast of PNG. The distribution of -thalassemia 2 seems to be in accordance with other conditions such as ovalocytosis and G6PD deficiency which are also prevalent in this population, suggesting that they may interact in protection against malaria. However, it appears to be negatively correlated with -thalassemia and -thalassemia 1, the latter being extremely rare in this population. Analysis of the types and subtypes of the single -globin gene deletion revealed a predominance of the –^4.2 type in general, except in some regions in the south where the –^3.7 type is prevalent. The –^3.7 I subtype is the common form of the –^3.7 deletion in the PNG mainland. The –^3.7 III subtype, previously reported to be unique in Melanesians and Polynesians, was detected in an offshore island of PNG. However, this subtype is very rare in Melanesians from the PNG mainland.     

Health research in Papua New Guinea

The Papua New Guinea Institute of Medical Research (PNGIMR) is one of the most respected health research institutions in the developing world, and its studies of the local health problems of PNG have consistently had international relevance. This article examines the structural and philosophical factors that have enabled the success of the PNGIMR, and presents the PNGIMR approach to research as a potential model for other disease-endemic countries. An overview of PNGIMR research into malaria and filariasis is given with selected examples as an introduction to a Trends in Parasitology series on health research in Papua New Guinea.     

Culture and Class in Papua New Guinea

Mangrove Man: Dialogics of Culture in the Sepik Estuary. David Lipset. New York: Cambridge University Press, 1997. 335 pp.
Emerging Class in Papua New Guinea: The Telling of Difference. Deborah B. Gewertz and Frederick K. Errington. New York: Cambridge University Press, 1999. 179 pp.     

Hegemony and Voice in Papua New Guinea

Constructing Inequality: The Fabrication of a Hierarchy of Virtue Among the Etoro . Raymond C. Kelly.
Voices of Conflict . Andrew Strathern.     

Parasitic zoonoses in Papua New Guinea

Relatively few species of zoonotic parasites have been recorded in humans in Papua New Guinea. A greater number of potentially zoonotic species, mostly nematodes, occur in animals but are yet to be reported from humans. Protozoa is the best represented group of those infecting man, with Giardia duodenalis, Cryptosporidium parvum, Cyclospora cayetanesis, Toxoplasma gondii, Sarcocystis spp., Entamoeba polecki, Balantidium coli and, possibly, Blastocystis hominis. The only zoonotic helminths infecting humans include the trematode Paragonimus westermani, the cestodes Hymenolepis nana, H. diminuta and the sparganum larva of Spirometra erinacea, and the nematodes Trichinella papuae and Angiostrongylus cantonensis and, possibly, Ascaris suum. Other groups represented are Acanthocephala (Macracanthorhynchus hirudinaceus)), insects (Chrysomya bezziana, Cimex sp., Ctenocephalides spp.), and mites (Leptotrombidium spp. and, possibly Sarcoptes scabiei, and Demodex sp.). One leech (Phytobdella lineata) may also be considered as being zoonotic. The paucity of zoonotic parasite species can be attributed to long historical isolation of the island of New Guinea and its people, and the absence until recent times of large placental mammals other than pig and dog. Some zoonotic helminths have entered the country with recent importation of domestic animals, in spite of quarantine regulations, and a few more (two cestodes, one nematode and one tick) are poised to enter from neighbouring countries, given the opportunity. Improvement in water supplies, human hygiene and sanitation would reduce the prevalence of many of these parasites, and thorough cooking of meat would lessen the risk of infection by some others.     

Malaria vectors of Papua New Guinea

Understanding malaria transmission in Papua New Guinea (PNG) requires exact knowledge of which Anopheles species are transmitting malaria and is complicated by the cryptic species status of many of these mosquitoes. To identify the malaria vectors in PNG we studied Anopheles specimens from 232 collection localities around human habitation throughout PNG (using CO₂ baited light traps and human bait collections). A total of 22,970 mosquitoes were individually assessed using a Plasmodium sporozoite enzyme-linked immunosorbent assay to identify Plasmodiumfalciparum, Plasmodiumvivax and Plasmodiummalariae circumsporozoite proteins. All mosquitoes were identified to species by morphology and/or PCR. Based on distribution, abundance and their ability to develop sporozoites, we identified five species as major vectors of malaria in PNG. These included: Anophelesfarauti, Anopheleshinesorum (incriminated here, to our knowledge, for the first time), Anophelesfarauti 4, Anopheleskoliensis and Anophelespunctulatus. Anopheleslongirostris and Anophelesbancroftii were also incriminated in this study. Surprisingly, An. longirostris showed a high incidence of infections in some areas. A newly identified taxon within the Punctulatus Group, tentatively called An. farauti 8, was also found positive for circumsporozoite protein. These latter three species, together with Anopheleskarwari and Anophelessubpictus, incriminated in other studies, appear to be only minor vectors, while Anophelesfarauti 6 appears to be the major vector in the highland river valleys (>1500 m above sea level). The nine remaining Anopheles species found in PNG have been little studied and their bionomics are unknown; most appear to be uncommon with limited distribution and their possible role in malaria transmission has yet to be determined.     

Fertility and family planning in Papua New Guinea

This paper examines some of the data on fertility, family size and family planning from a survey conducted between November 1979 and March 1980 in 8 provinces both in rural and urban areas of Papua New Guinea (PNG). The sample consisted of 6283 male and female respondents; a total of 3986 females in the age group 15-49 and 2297 males between the ages of 20 and 54 were interviewed. About 9% of the rural and 5.4% of the urban female respondents were pregnant at the time of the interview. The higher number of pregnancies recorded for the rural population, compared to the urban, is due to longer duration of marriage and higher mean age. Both rural and urban respondents have similar attitudes to the ideal number of children. 4 and 6 children were indicated as an ideal number for the urban and rural population, respectively. The results indicate that economic pressures are being felt within the family in both urban and rural areas, and that the costs of raising children are clearly perceived, at least among the educated. Nonetheless, the majority of the population desires large numbers of children, the main reason being economic security in old age. It is also evident that the people have a negative attitude to modern methods of contraception because they are not well informed about them. The most frequently stated reason, the harmful effects on the health of the mother and future offspring, is probably one of the obstacles to their more widespread use. Though there is physical accessibility to family planning services for most urban and about 1/2 of the rural dwellers, the problems of non-use are mainly of a sociological and psychological nature. The problems include the attitude of husbands to their wives' use of contraceptives, reinforcement of culturally acceptable behavior by the extended family and community members, and the desire for more children. Although the levels of contraceptive awareness are relatively high, the overall impression is that the practice of modern contraception in both the rural and urban areas is low. Despite the rural-urban differences in educational and income levels, living conditions, and the availability of family planning services, awareness and current use are only slightly higher among the urban respondents. For family planning programs to have more impact in reducing the high fertility levels, a much more intensive program of activites is needed for the country at large.     

Female fecundity in highland Papua New Guinea

Demographers often assume that interpopulation variation in birth spacing is attributable primarily to behavioral differences (e.g., in breastfeeding, coital frequency, or contraceptive practice), and that the contribution of physiological factors is negligible. This assumption may be correct, but it should be tested, especially in light of recent evidence that there may be more variation in ovarian function among human populations than was previously believed. In this paper, we apply a stochastic model of the determinants of fecundability (the monthly probability of conception) to endocrinological data collected among the Gainj, a tribal population in highland Papua New Guinea. Based on previous research, the Gainj are known to have age patterns of ovarian function that differ markedly from the Western norms. When account is taken of the late menarche, early menopause, and long ovarian cycles that appear to characterize Gainj women, mean apparent fecundability across the female reproductive span is reduced by about 27 per cent (from 0.316 to 0.235), and the mean waiting time to next apparent conception is increased by just over one month. Thus, despite the fact that Gainj women differ from Western women with respect to reproductive physiology by as much as or more than any other known population, the demographic impact of these differences appears to be slight.     

Reflecting on Loss in Papua New Guinea

This article takes up the conundrum of conducting anthropological fieldwork with people who claim that they have ‘lost their culture,’ as is the case with Suau people in the Massim region of Papua New Guinea. But rather than claiming culture loss as a process of dispossession, Suau claim it as a consequence of their own attempts to engage with colonial interests. Suau appear to have responded to missionization and their close proximity to the colonial-era capital by jettisoning many of the practices characteristic of Massim societies, now identified as ‘kastom.’ The rejection of kastom in order to facilitate their relations with Europeans during colonialism, followed by the mourning for kastom after independence, both invite consideration of a kind of reflexivity that requires action based on the presumed perspective of another.     

Mines and Monsters: A Dialogue on Development in Western Province,Papua New Guinea

This article analyses an internal debate between Gogodala villagers, Western Province, Papua New Guinea, in which they explore the concept of development through a dialogue that revolves around ela gi or ‘way of life’. The analysis focuses on two developmental projects: the Ok Tedi gold and copper mine, which affects eight Gogodala villages on the lower Fly River, and a test oil drill carried out among northern Gogodala villages in 1995. I propose that it is through ela gi, a lifestyle that encompasses an evangelical Christianity as well as the actions of the first ancestors and is based on a bodily experience of the environment, that community development is envisaged and debated. Whilst the oil drill in the north is discussed in terms of approval, villagers on the Fly River to the south are increasingly concerned about changes to their lifestyle and landscape. They explore this ambivalence through a discussion of the movements and moods of ancestrally‐derived ‘monsters’ or ugu lopala, creatures who patrol the waterways of both north and south villages. At the same time, Gogodala from both communities are articulating what the transition from ‘living on sago’ to a lifestyle based on money might mean. This dialogue foregrounds an ongoing debate about the roles that the environment, village practices, the ancestral past and Christianity play in the constitution of the Gogodala way of life, and how these factors may initiate a certain kind of development.     

Molecular parasitology of malaria in Papua New Guinea

Research into the molecular biology of infectious diseases is mostly associated with well-developed countries. But in the midst of tropical Papua New Guinea, highly sophisticated molecular research has being conducted over years to understand and fight malaria and other tropical diseases. Here, we review such research carried out at the Papua New Guinea Institute of Medical Research. This Institute has considerably shaped research on molecular epidemiology through its analysis of the diversity and structure of the Plasmodium falciparum population. In addition, research has been conducted on human host factors and, more recently, the molecular analysis of drug resistance and the underlying molecular mechanisms of host-parasite interactions have been investigated.     

Pre-capitalist modes of production in Papua New Guinea

Conclusion In the articulation-of-modes-of-production literature there is a tendency to treat conceptual structures as if they had lives of their own. Thus modes of production are sometimes portrayed as meeting, intertwining, and reproducing like giant organisms animated by ineluctable laws of motion. But these structures and categories are primarily the products of thought. As such, they cannotdo anything, and they possess no motivational capacity whatsoever. They are simply analytical tools, more-or-less useful in explaining how and why history unfolded in the way it did.The categories and relationships suggested in this paper represent a preliminary attempt to make some sense of pre-contact change in Papua New Guinea. Their adequacy or otherwise will be determined ultimately through more rigorous engagements with the empirical evidence than is possible here.Terence Wesley-Smith is Assistant Professor, University of Hawaii at Monoa, Center for Pacific Islands Studies.     

The epidemiology of malaria in Papua New Guinea

Papua New Guinea (PNG) is a patchwork of different ecological zones, inhabited by human populations of exceptional cultural and linguistic diversity. This results in complex variations in vector ecology and malaria epidemiology. Malaria is the main cause of morbidity in many health facilities in lowland areas, but it is absent in much of the highlands. All four human malaria species occur, but endemicity varies widely, with Plasmodium falciparum locally reaching holo-endemic levels that are rarely found outside sub-Saharan Africa. The high frequency of Plasmodium vivax is an important difference to most African situations. PNG is therefore a prime location for studies of interactions between different parasite species, and of the biology of local human genetic adaptation and its implications for malaria morbidity and mortality.     

Insect trypanosomatids in Papua New Guinea: high endemism and diversity

The extreme biological diversity of Oceanian archipelagos has long stimulated research in ecology and evolution. However, parasitic protists in this geographic area remained neglected and no molecular analyses have been carried out to understand the evolutionary patterns and relationships with their hosts. Papua New Guinea (PNG) is a biodiversity hotspot containing over 5% of the world's biodiversity in less than 0.5% of the total land area. In the current work, we examined insect heteropteran hosts collected in PNG for the presence of trypanosomatid parasites. The diversity of insect flagellates was analysed, to our knowledge for the first time, east of Wallace's Line, one of the most distinct biogeographic boundaries of the world. Out of 907 investigated specimens from 138 species and 23 families of the true bugs collected in eight localities, 135 (15%) were infected by at least one trypanosomatid species. High species diversity of captured hosts correlated with high diversity of detected trypanosomatids. Of 46 trypanosomatid Typing Units documented in PNG, only eight were known from other geographic locations, while 38 TUs (~83%) have not been previously encountered. The widespread trypanosomatid TUs were found in both widely distributed and endemic/sub-endemic insects. Approximately one-third of the endemic trypanosomatid TUs were found in widely distributed hosts, while the remaining species were confined to endemic and sub-endemic insects. The TUs from PNG form clades with conspicuous host-parasite coevolutionary patterns, as well as those with a remarkable lack of this trait. In addition, our analysis revealed new members of the subfamilies Leishmaniinae and Strigomonadinae, potentially representing new genera of trypanosomatids.