The human communities and ecosystems of island and coastal southeast Africa face significant and linked ecological threats. Socioecological conditions of concern to communities, governments, nongovernmental organizations, and researchers include declining agricultural productivity, deforestation, introductions of non-native flora and fauna, coastal erosion and sedimentation, damage to marine environments, illegal fishing, overfishing, waste pollution, salinization of freshwater supplies, and rising energy demands, among others. Human-environment challenges are connected to longer, often ignored, histories of social and ecological dynamics in the region. We argue that these challenges are more effectively understood and addressed within a longer-term historical ecology framework. We reviewed cases from Madagascar, coastal Kenya, and the Zanzibar Archipelago of fisheries, deforestation, and management of human waste to encourage increased engagement among historical ecologists, conservation scientists, and policy makers. These case studies demonstrate that by widening the types and time depths of data sets we used to investigate and address current socioecological challenges, our interpretations of their causes and strategies for their mitigation varied significantly.Perspectivas Históricas sobre las Dinámicas Contemporáneas entre Humanos y el Ambiente en el Sureste deÁfrica Resumen: Las comunidades humanas y los ecosistemas de las costas del sureste africano enfrentan amenazas ecológicas significativas y vinculadas. Las condiciones socio-ecológicas que preocupan a las comunidades, los gobiernos, las organizaciones no gubernamentales y a los investigadores incluyen la poductividad agrícola en declinación, la deforestación, la introducción de flora y fauna no nativa, la sedimentación y erosión costera, el daño hacia los ecosistemas marinos, la pesca ilegal, la sobrepesca, la contaminación por desechos, la salinización de las cuencas de agua dulce, y la creciente demanda de energía, entre otras. Los retos humanos -ecosistema están conectados con historias más largas, y frecuentemente ignoradas, de dinámicas sociales y ecológicas en la región. Argumentamos que estos retos se entienden y se tratan con mayor efectividad dentro de un marco de trabajo de ecología histórica con un periodo más largo. Revisamos casos de pesquerías, deforestación y manejo de desechos humanos en Madagascar, la costa de Kenia y el archipiélago de Zanzíbar para propiciar una mayor participación entre los ecologistas históricos, los científicos de la conservación, y los * email: kdouglass@psu.edu Article impact statement: Past human-environment dynamics are key to addressing today's threats to livelihoods and ecosystems in island and coastal southeast Africa. Douglass et al. 261legisladores. Estos estudios de caso demuestran que al ampliar los tipos y la temporalidad de los conjuntos de datos que usamos para investigar y tratar los retos socio-ecológicos contemporáneos, nuestras interpretaciones de las causas de estos retos y las estrategias para...
Land snail shell is a material commonly identified in the Late Holocene archaeological record of eastern Africa. Typically, archaeologists designate land snail shell as a natural occurrence or as debris produced from human subsistence. Ethnographic observations in lowland northeastern Tanzania show that contemporary communities employ the soft parts and shells of land snails, particularly Achatina fulica, for a range of everyday and special purposes. The array of land snail uses by mixed subsistence farmers and agropastoralists in the area documents the significance of A. fulica and other robust land snail species. Present uses of land snails observed in Tanzania offer a set of analogies that, when critically applied, can enrich archaeologists’ interpretations of land snail debris in antiquity.
Historical archaeology in Africa has long privileged issues framed in terms of European sources and the impact of imperialism and colonialism on African peoples. With its emphasis on modernity, historical archaeology of this persuasion overlooks historical archaeologies concerned with revising metanarratives that misrepresent African pasts. We argue that historical archaeologists need to listen to local histories, often held in oral form, and that the appropriate task of historical archaeology is making histories that include, not exclude, local historicities. A critical historical archaeology in Africa is illustrated by cases in which oral traditions play a central role in unveiling the historical significance of archaeological remains as well as circumstances in which careful readings of archaeology and local histories subvert standard histories based on outsiders' interpretations and observations. We draw case studies from the Swahili Coast, Great Zimbabwe, the Kalahari, and the Cwezi period of the Great Lakes. Our approach accepts that if archaeologists employ materiality—regardless of its chronological age—to transform historical representation, then such historical revision creates a more comprehensive practice for historical archaeology, a matter of vital interest for both history and anthropology.
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