The transboundary region is culturally diverse, with indigenous languages of Cushitic, Eastern Nilotic, and Omotic and Afroasiatic origin. Several ethnic groups-the Nyangatom, Turkana and Toposa-are members of the Karamojong Cluster of cultures and speak mutually intelligible languages. The Dasanech, on the other hand, are Cushitic in linguistic affiliation. At the core of the region's indigenous economies are longstanding survival systems that are highly adapted to shifting environmental and social conditions, with ethnic groups linked through complex exchange networks. In recent decades, increasing dispossession and marginalization imposed by powerful external political and economic powers since colonial times have recently forced much of the region's populationparticularly the Dasanech and northern Turkana-to settle at the Omo River or Lake Turkana as a last option means of survival. Despite centuries of resilience from even the most difficult times, these groups have now been pushed into extreme dependency on these two major water bodies and they have greatly increased vulnerability, even to stresses once familiar to them. They are now vulnerable in the extreme to massive scale destruction of their survival systems, with region-wide hunger and new mortality caused by the Gibe III dam and dam enabled irrigated agriculture along the Omo.
Indigenous Livelihoods and Survival Strategy Systems➢ The survival strategy systems of transboundary ethnic groups have emerged from centuries of indigenous knowledge and highly adaptive survival strategy systems.The region's ethnic groups most heavily dependent on the Omo River or Lake Turkana are the Mursi, Bodi, Kwegu, Suri, Kara, Nyangatom, and Dasanech, in the lower Omo River basin, and the Turkana, El Molo, Rendille, Samburu, Gabbra and Dasanech along the shores of Lake Turkana ( Fig. 1.3). 1 Numerous neighboring groups also rely on the 1 Some of the most detailed ethnographic information in the region is that for the indigenous Mursi ethnic group-residing well upstream from lowermost Omo basin and Lake Turkana region that forms the core of this book. The majority of literature for the Mursi region has emerged from research by the anthropologist, Turton (1977, 1991, 1995, 2013) and his associates, who have written numerous pieces concerning the changes in that region-most recently the major scale land grab underway along the Omo River, for Gibe III enabled commercial scale irrigated agriculture plantations. This expanding crisis, particularly as it is affecting for the Mursi and Bodi peoples ( Fig. 1.3), is relatively well reported and can be accessed both at the Oxford based website, www.mursi.org, and at a number of non-governmental and other websites web sites, including Survival International, International Rivers and the Oakland Institute. Other key literature for the Omo River region, near the related Mursi group, is that for the Suri agropastoralists ( Fig. 1.3)-with particularly detailed accounts and interpretations of the region produced by Abbink (1997...