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Featured researches published by Robert C. Bailey.


The Quarterly Review of Biology | 1994

Women's Reproductive Cancers in Evolutionary Context

S. Boyd Eaton; Malcolm C. Pike; R. V. Short; Nancy C. Lee; James Trussell; Robert A. Hatcher; James W. Wood; Carol M. Worthman; Nicholas G. Blurton Jones; Melvin Konner; Kim Hill; Robert C. Bailey; A. Magdalena Hurtado

Reproductive experiences for women in todays affluent Western nations differ from those of women in hunting and gathering societies, who continue the ancestral human pattern. These differences parallel commonly accepted reproductive risk factors for cancers of the breast, endometrium and ovary. Nutritional practices, exercise requirements, and body composition are nonreproductive influences that have been proposed as additional factors affecting the incidence of womens cancers. In each case, these would further increase risk for women in industrialized countries relative to forager women. Lifestyles and reproductive patterns new from an evolutionary perspective may promote womens cancer. Calculations based on a theoretical model suggest that, to age 60, modern Western women have a breast cancer risk as much as 100 times that of preagricultural women.


Human Ecology | 1991

The tropical rain forest: Is it a productive environment for human foragers?

Robert C. Bailey; Thomas N. Headland

A recent debate in ecological anthropology concerns the availability of wild foods for human foragers in tropical forests. This article is a response to the five essays in this same issue of Human Ecology that examine the hypothesis that hunter-gatherers could never have lived in tropical rain forest without direct or indirect access to cultivated foods. We clarify the hypothesis and assess the evidence offered to date. Archeological evidence suggests foraging without cultivation in Malaysia. We propose a program of ecological studies and archeological research which, if undertaken, should provide the evidence necessary to falsify the hypothesis.


American Journal of Physical Anthropology | 1996

Allometry and adaptation of body proportions and stature in African pygmies.

Brian T. Shea; Robert C. Bailey

We have analyzed the growth allometry of external body proportions in Efe pygmies from Zaire and combined these data with values from the literature for comparable dimensions in adult pygmies and nonpygmies. We sequentially tested the hypotheses that adult proportion differences between 1) male vs. female Efe, and 2) pygmies vs. nonpygmies result from ontogenetic scaling, or the differential extension of common patterns of growth allometry. Results indicate an almost complete concordance of allometric trajectories for male and female Efe. These preliminary analyses also strongly suggest that adult nonpygmy Africans generally differ from pygmies in their terminal size and correlated allometric consequences, rather than in more fundamental alterations of underlying patterns of growth. Biacromial diameter emerges as the measurement most likely to depart from this general pattern. These results provide further evidence that shifts in systemic growth hormones yielding differences in terminal overall body size may be accompanied by global and coordinated allometric transformations. Certain proportion differences previously interpreted by some as specific evidence of primitive retention in pygmies in fact reflect simple growth allometric correlates of the derive rapid size decrease in these groups. Selected divergent body proportions characterizing adult pygmies, previously interpreted by some as independent evidence of climatic adaptation, also reflect such allometric correlates of ontogenetic scaling. We critically assess arguments that the small overall body size of pygmies was specifically selected for reasons of thermoregulatory efficiency, and consider an alternative or complementary scenario, based on selection for small size in order to reduce caloric requirements.


Human Ecology | 1991

Introduction: have hunter-gatherers ever lived in tropical rain forest independently of agriculture?

Thomas N. Headland; Robert C. Bailey

It has often been assumed that peoples living today as foragers in tropical rain forests are remnants of paleolithic populations that have been subsisting in their forest habitats for millennia and have only recently come into contact with sources of domesticated plants and animals. Independently, the two of us have published articles that challenge this view and propose the hypothesis that hunter- gatherers could never have lived in tropical rain forest without direct or indirect access to cultivated foods. This article serves as an introduction to six articles in this issue of Human Ecology, all devoted to this hypothesis. To provide background for this journals readers, we summarize here our original articles.


Human Ecology | 1989

Net Hunters vs. Archers: Variation in Women's Subsistence Strategies in the Ituri Forest

Robert C. Bailey; Robert Aunger

BaMbuti of the Ituri Forest, Zaire, employ two primary hunting techniques: net hunting, in which women routinely participate, and bow hunting, in which women rarely participate. We hypothesize that the value of womens labor devoted to different subsistence activities, combined with the exchange value of meat, will determine whether women participate in hunts. Field observations were conducted in four different areas: two exploited by archers and two by net hunters. Results indicate that women in nethunting areas earn more calories per unit time by hunting than by working in agriculturalists gardens; whereas women in archer areas earn more calories by working for agriculturalists than by hunting. We found no significant difference in the composition or diversity of the forests exploited by net hunters and archers. The results are discussed in light of the longstanding debate concerning the factors that account for distribution of net hunting and archery in the Ituri Forest.


Annals of Emergency Medicine | 1998

Education of Out-of-Hospital Emergency Medical Personnel in Pediatrics: Report of a National Task Force

Marianne Gausche; Deborah Parkman Henderson; Dena Brownstein; George L. Foltin; Jean Athey; David Bryson; Paul E. Anderson; Robert C. Bailey; Arthur Cooper; Ronald A. Dieckmann; Gail Dubs; Peter Glaeser; Suzanne M. Goodrich; Judy Reid Graves; David Markenson; Deborah Mulligan-Smith; Pamela D. Poore; Jeri Pullum; Lou Romig; Robert W Schafermeyer; Alonzo W Smith; Eustacia Su; Walter A Stoy; Freida B Travis; Marsha Treiber; David Treloar; Michael G. Tunik

The Pediatric Education Task Force has developed a list of major topics and skills for inclusion in pediatric curricula for EMS providers Areas of controversy in the management of pediatric patients in the prehospital setting are outlined, and helpful learning tools are identified.


International Journal of Primatology | 1990

Humans as primates: The social relationships of Efe pygmy men in comparative perspective

Robert C. Bailey; Robert Aunger

The Efe are short-statured specialized hunger-gatherers living in the moist tropical forest in northeast Zaire. They live in small mobile groups averaging 18 individuals and practice viripatrilocal residence — what primatologists refer to as male philopatry and female dispersal. This study uses methods commonly employed by primatologists to study the social relationships of Efe men. It compares their association and affiliation patterns with those of two nonhuman primate species that show male philopatry and female transfer. The analyses of 376 hr of focal behavior observations on 16 Efe men reveal that the majority of their associations were with other adult men. Men associated preferentially with kin over non-kin, and with close kin more than with distant kin. Mens close relationships, or “companionships,”sensu Smuts (1985) “friendships” among anubis baboons, were predominantly with other adult men; however, each man who cohabited with a woman had his strongestcompanionship by far with that woman. These quantitative measures of affinity are consistent with the Efes pattern of viripatrilocal residence, where-by males remain in their natal group with their close male kin and females join or are recruited from other patriclans. The social relationships of Efe men are similar in some respects to those of hamadryas and chimpanzees; however, Efe mens social networks are larger and more fluid. We speculate that the explanation proposed for male philopatry and female dispersal among nonhuman primates also applies to the Efe.


Oryx | 1977

Primate Ranching – Results of an Experiment

Russell A. Mittermeier; Robert C. Bailey; Leslie E. Sponsel; Katherine E. Wolf

It is becoming increasingly difficult for biomedical research workers to get the wild primates they consider essential for their work. Successful primate ranching could help solve the problem. In 1967 a well-known animal dealer in Colombia, Mike Tsalickis of Leticia, released over 5000 squirrel monkeys on an island in the Amazon in the hope of quick breeding results. Five years later he estimated the island monkey population at over 20,000, and the experiment appeared to have been very successful; later counts, however, suggested considerable errors in the figures and that the monkeys had in fact decreased catastrophically. The authors describe this and other experiments, some successful, but only as a result of expensive supplemental feeding.


Journal of Ecology | 1997

Tropical deforestation : the human dimension

Leslie E. Sponsel; Thomas N. Headland; Robert C. Bailey

While many studies of tropical deforestation neglect the indigenous people of the forests, this book illuminates the insights local people have into conservation of their ecosystems, the effects of habitation on those ecosystems, and the impact of development and natural resource depletion on their lives. The authors present fresh perspectives on deforestation from a wide range of fields including biological ecology, forest history, conservation biology, anthropology, political economy, and development economics. The book covers Central and South America, Africa, the Philippines, Indonesia, and the Indian subcontinent.


American Anthropologist | 1989

Hunting and Gathering in Tropical Rain Forest: Is It Possible?

Robert C. Bailey; Genevieve Head; Mark R. Jenike; Bruce Owen; Robert Rechtman; Elzbieta Zechenter

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Robert Aunger

University of California

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David W. Golde

Memorial Sloan Kettering Cancer Center

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Mark R. Jenike

University of California

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Mitchell E. Geffner

University of Southern California

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Noelle Bersch

University of California

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Marilyn Scott

University of California

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