Inter- and Intra-Population Migration of the Gidra in Lowland Papua: A Population-Ecological Analysis

Document Type

Article

Authors

Ryutaro Ohtsuka, University of Tokyo, Tokyo, Japan
Toshio Kawabe, University of Tokyo, Tokyo, Japan
Tsukasa Inaoka, University of Tokyo, Tokyo, Japan
Tomoya Akimichi, National Museum of Ethnology, Osaka, Japan
Tsuguyoshi Suzuki, University of Tokyo, Tokyo, Japan

Abstract

The Gidra-speaking Papuans, numbering 1,850 and inhabiting thirteen villages, are an endogamous population; 95% of the married members were born within the Gidra territory. Indeed, 70% of the marriages are village endogamous. The bulk of the remainder of marriages are between adjacent villages. Thus, the Gidra population is maintained by inter-village migration in overlapping sub-units, each including several adjacent villages. The rate of out-migration to urban areas, which has been increasing in the last couple of decades, is higher in acculturated villages, although the difference is largely offset by an uneven flow of inter-village migrants within the territory.

Recommended Citation

Ohtsuka, Ryutaro; Kawabe, Toshio; Inaoka, Tsukasa; Akimichi, Tomoya; and Suzuki, Tsuguyoshi (1985) "Inter- and Intra-Population Migration of the Gidra in Lowland Papua: A Population-Ecological Analysis," Human Biology: Vol. 57: Iss. 1, Article 5.
Available at: https://digitalcommons.wayne.edu/humbiol/vol57/iss1/5