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Over the last several decades there has been a transformation of the Samburu pastoral commons to new forms of land tenure and use. Government led land adjudication in the 1970s and 1980s established new forms of land ownership including group ranches and, in some places, complete privatization of land into individual parcels. An important question is what forms of land use and social relations emerge in the wake of land adjudication, and with what consequences? Can a "new commons" arise following transformation of the traditional commons? We address these questions by examining the aftermath of privatization in a Samburu community. Through ethnographic observations and interviews, we gain insight into peoples' understanding of land use and current norms and practices and propose two diverse visions of the future – the "pastoralist imperative" of continued extensive livestock production and "future farmers" seeking a more settled, crop and wage labour-based livelihood. Using computer simulation models of the environment and households we conduct scenario analyses tracing the effects of land use practices and choices resulting from these different perspectives on variables such as livestock wealth, household income and food requirements, and ecological resources including grasses and shrubs. Our analysis suggests that privatization has yielded a "new commons" combining elements of individual ownership with shared management. These institutional innovations enable a continuation of extensive livestock production with new livelihood strategies that include a degree of land enclosure such as cultivation and land leasing. The analysis indicates that seemingly contradictory norms and practices can co-exist on the same land allowing considerable flexibility in production of livestock and crops. However, the models also demonstrate the limits that may be reached, particularly if common access is heavily curtailed.

ABSTRACTTraditional grazing grounds near Amboseli National Park (Kenya) are being rapidly converted to cropland – a process that closes important wildlife corridors. We use a spatially explicit simulation model that integrates ecosystem dynamics and pastoral decision-making to explore the scope for introducing a 'payments for ecosystem services' scheme to compensate pastoralists for spillover benefits associated with forms of land use that are compatible with wildlife conservation. Our break-even cost analysis suggests that the benefits of such a scheme likely exceed its costs for a large part of the study area, but that 'leakage effects' through excessive stocking rates warrant close scrutiny.

This edited volume summarizes information about the situational context, threats, problems, challenges and solutions for sustainable pastoralism at a global scale. The book has four goals. The first goal is to summarize the information about the history, distribution and patterns of pastoralism and to identify the importance of pastoralism from social, economic and environmental perspectives. The results of an empirical investigation of the environmental and socio-economic implications of pastoralism in representative pastoral regions in the world are also incorporated. The second goal is to argue that breaking coupled human-natural systems of pastoralism leads to degradation of pastoral ecosystems and to create an analysis framework to assess the vulnerability of worldwide pastoralism. Our analysis framework provides approaches to help comprehensively understand the transitions and the impacts of human-natural systems in the pastoral regions in the world. The third goal is to identify the successful models in promoting coupled human-natural systems of pastoralism, and to learn lessons of breaking coupled human-cultural pastoralism systems through examining the representative cases in regions including Central Asia, Southern and Eastern Asia, Northern and Eastern Africa, the European Alps and South America. The fourth goal is to identify the strategies to build the resilience of the coupled human-natural systems of pastoralism worldwide. We hope that our book can facilitate the further examination of sustainable development of coupled human-natural systems of pastoralism by providing the summaries of existing data and information related to the pastoralism development, and by offering a framework for better understanding and analysis of their social, economic and environmental implications