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The lakeshore site of Ishango in Zaïre has been interpreted as an early locus of a generalized fishing adaptation or aquatic civilization which spread rapidly across eastern and northern Africa during the wetter climatic conditions of the early to mid-Holocene. New evidence from Ishango implies that this adaptation may have developed in the late Pleistocene and that its technology subsequently diffused to other regions where it was associated with a range of lithic styles, varying economies, and occasional ceramics.
Résumé Le gisement lacustre d'Ishango au Zaïre a été interprété comme l'ancien locus d'une adaptation généralisée à la pêche ou d'une civilisation aquatique qui s'est étendue rapidement dans l'Afrique orientale et septentrionale au cours des conditions climatiques plus humides de la première moitié de l'Holocène. De nouveaux indices à Ishango impliquent que cette adaptation a pu se développer au cours du Pléistocène tardif, et que sa technologie s'est diffusée ultérieurement dans d'autres régions où elle était associée à toute une série de styles lithiques, à des économies variées, et de temps en temps à des céramiques.相似文献
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Power Robert C. Güldemann Tom Crowther Alison Boivin Nicole 《Journal of World Prehistory》2019,32(4):353-392
Journal of World Prehistory - Occupation of the humid tropics by Late Holocene food producers depended on the use of vegetative agricultural systems. A small number of vegetative crops from the... 相似文献
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Alison Webster 《European Legacy》2015,20(4):422-424
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Stephanie Schoeppe Paul Tranter Mitch J Duncan Carey Curtis Alison Carver Karen Malone 《Children's Geographies》2016,14(4):408-421
This study investigated changes in Australian children's independent mobility levels between1991 and 2012. Data from five cross-sectional studies conducted in 1991, 1993, 2010, 2011 and 2012 were analysed. Parent and child surveys were used to assess parental licences for independent mobility and actual independent mobility behaviour in children aged 8–13 years. Findings show declines in the proportion of young children (≤10 years of age) being allowed to travel home from school alone (1991: 68%, 1993: 50%, 2010: 43%, 2011: 45%, 2012: 31%) and travel on buses alone (1991: 31%, 1993: 15%, 2010: 8%, 2011: 6%, 2012: 9%). Furthermore, the proportion of children travelling independently to school decreased (1991: 61%, 1993: 42%, 2010: 31%, 2011: 32%, 2012: 32%). Significantly fewer girls than boys travelled independently to school at each time point (p?≤?.001). Overall, the findings suggest that Australian children's independent mobility levels declined between 1991 and 2012. 相似文献
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David Ley Alison Mountz Pablo Mendez Loretta Lees Margaret Walton-Roberts Ilse Helbrecht 《The Canadian geographer》2020,64(4):438-466
The forum includes a research paper, preceded by a brief introduction and followed by five short responses from Pablo Mendez, Loretta Lees, Margaret Walton-Roberts, Ilse Helbrecht, and Alison Mountz. Mountz's introduction sets the context for the paper and makes some framing remarks on David Ley's career. The main paper examines the housing question in Vancouver, in the period from 1972 to 2017. Re-examining a number of Ley's research projects over this period, three broader themes are explored: the continuity of the housing crisis, and its reconfiguration over the period under study; the contrast between innovative and interventionist housing policy in the 1970s, with the later withdrawal of the state from significant intervention while endorsing market solutions; and the new centrality of housing as an empirical and analytical category in current human geography. This period saw upscaling from the 1970s welfare state to neoliberal globalization, including wealth immigration and off-shore property investment that accelerated serious metropolitan affordability problems. Following this research paper, colleagues and former students respond to the paper and locate the contributions in David Ley's broader career. Their commentaries address Ley's key contributions to debates in human geography, including his work on gentrification, urbanism, urban activism, global migration, art, aesthetics, and ethnography. 相似文献
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Alison L. Bain 《Social & Cultural Geography》2013,14(2):171-193
In this paper I examine the role of the studio as a central site of artistic identity construction and maintenance. Using ten case studies drawn from interviews with contemporary women visual artists from Toronto, Canada, I argue that women artists value studio space because it powerfully reinforces their sense of commitment and belonging to a predominantly male‐dominated profession. I consider how women cope with the demands of artistic practice when they are unable to establish a spatially separate workspace by addressing the experiences of artists who are parents. I demonstrate how women artists who are primary care‐givers are rarely adequately protected from the interruptions of daily life and have grown accustomed to working in fragments of time and space. While these women may appear willing to concede space to others, when space is crucial to their artistic practice, they have a remarkably strong influence on the form of their creative environment. I maintain, then, that the studio as a fixed physical space continues to be a very real necessity for women artists in all stages of their careers. 相似文献
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