首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   37篇
  免费   2篇
  39篇
  2023年   1篇
  2020年   1篇
  2019年   3篇
  2018年   2篇
  2017年   1篇
  2016年   7篇
  2014年   2篇
  2013年   10篇
  2012年   2篇
  2011年   1篇
  2010年   1篇
  2006年   1篇
  2004年   1篇
  2003年   1篇
  2002年   1篇
  1999年   1篇
  1998年   1篇
  1995年   1篇
  1994年   1篇
排序方式: 共有39条查询结果,搜索用时 0 毫秒
1.
2.
    
In the Andes, there are several pre-Hispanic irrigation networks with structures destined for water storage. However, it has not been widely discussed in archaeological research. This is probably due to their being difficult to identify. The aim of this study is to explore the use of diatom assemblage analysis as a methodological tool suitable to help in the identification and characterization of these ancient hydraulic structures. We analyzed two archaeological structures interpreted as water reservoirs from north-western Argentina (EH1 in Antofagasta de la Sierra and U-88R1 in Yocavil) and compared them to current reservoirs. The diatom species composition and the changes in the dominant ecological groups in the studied structures highlight different periods of hydraulic behavior. EH1 contained and stored water, but there were periods of time in which there was a lack of use or abandonment of the structure. However, the U88-R1 structure does not have diatom evidence of containing standing water for a prolonged time but presence of wet soils. Thus, the structure could have been used for other water management strategies. The results show that diatom analysis is a methodological tool with a high potential to study ancestral hydrotechnologies.  相似文献   
3.
    
Abstract

This article explores the development of feminist geography in Taiwan within the time frame of last three decades, since the first author became involved in the IGU Gender and Geography Working Group in 1988. It is found that Anglo-American influences have contributed significantly to the feminist movement in Taiwan. An important outcome over time has been the improved visibility of Women and Gender studies courses in academe. As social geographer and cultural anthropologist respectively, the authors trace important dynamics of growth in the academic fields of geography and the social sciences in post-secondary education. Owing to the history and the nature of the discipline of geography, and the structural constraints due to male-domination, there is still a high fence to cross over. Statistics show that a rising number of women in Taiwan have received PhD degrees. The authors note the mitigating development that younger women geographers have taken up administration positions as chairs of four of the five geography departments. However, up to the present time, in academic meetings and conferences, it is unlikely that any presentations on the topic of gender will be offered. The authors encourage younger generations of scholars in Taiwan to continue to look for and connect with feminist geographers abroad, to embrace diversity and inclusiveness in their research, and to help our society to grow in the level of gender equity.  相似文献   
4.
The characterization of a ceremonial bronze axe is described. The axe is assigned to the Santamarian culture of north‐west Argentina, c. 1000–1470 ad, and was selected to increase presently limited knowledge of prehistoric metallurgy in the Andean region of Argentina. The characterization methods used were electron probe microanalysis, gamma radiography, X‐ray diffraction, optical metallography and microhardness testing. The axe was well cast in a bivalve mould, with the only defects in the area of an ancient fracture. The analysis showed that it is made from a tin bronze with a, probably, accidental addition of lead. Arsenic was found as a surface contamination, probably deriving from arsenic in the water of the stream in which the axe was found. The axe shows that Santamarian craftsmen had the skill to decorate the axe in an artistic style with a strong local accent while providing a functional, annealed and cold‐worked cutting edge.  相似文献   
5.
    
Nora Stel 《对极》2016,48(5):1400-1419
A significant part of Lebanon's Palestinian refugees live in unofficial camps, so‐called “gatherings”, where they reside on Lebanese land. Many of these gatherings are now threatened with eviction. By means of two qualitative case studies this article explores responses to such eviction threats. Residents, it turns out, engage in deliberate disinformation and stalling tactics and invoke both a professed and real ignorance about their situation. In contrast to dominant discourses that project Palestinian refugees as illicit and sovereignty undermining, I explain these tactics as a reaction to, and duplication of, a “politics of uncertainty” implemented by Lebanese authorities. Drawing on agnotology theory, and reconsidering the gatherings as sensitive spaces subjected to aleatory governance, I propose that residents’ responses to the looming evictions are a manifestation of the deliberate institutional ambiguity that Lebanese authorities impose on the gatherings. As such, the article contributes to understanding the spatial dimensions of strategically imposed ignorance.  相似文献   
6.
In this study, we propose a method based on life tables currently used in population dynamics and ecology to compare the mortality curves of Equidae from anthropic and carnivore fossil assemblages with those from modern populations. The combined analysis of frequency (fx) with various ecological parameters such as mortality rate (qx), survival rate (lx), fecundity rate (mx), and killing factor (kx), established for each age class, allows us to characterize the stability of fossil populations. These ecological parameters, developed in demography, correspond to many curves and constitute a complementary approach to interpret the two main mortality models, attritional and catastrophic, often evoked in zooarchaeology. The age structures of fossil horses from the anthropic sites of Bau de l'Aubesier (Vaucluse, France) and Combe-Grenal (Dordogne, France) and the hyena den of Fouvent (Haute-Saône, France) are compared to typical catastrophic modern populations of Equidae from the National Park of Akagera (Rwanda). We also used data collected by the Bureau of Land Management for present day feral horses from Pryor Mountain (Montana, USA) which constitutes a reliable referential of a stable living population. The characterization of age structures in those different contexts is discussed as well as the impact of Neanderthals and hyenas on fossil assemblages.  相似文献   
7.
REVIEW     
The Empty Place: Poetry, Space and Being Among the Foi of Papua New Guinea. By James F. Weiner. Bloomington: Indiana University Press. 1991. Pp. 218. Price $US14.95.  相似文献   
8.
    
An essay seeking to identify under a single rubric a thought line linking a succession of scholarly clusters who over succeeding generations have investigated the primordial role of the pronouns in social interaction, and in the creation and manipulation of cultural capital and hence in the acquisition and maintenance of personal identity or personhood.  相似文献   
9.
10.
Visitors’ assessments of the negative impact of tourism, on physical and social environment, vary based on the location where the evaluation occurs. Research that focuses on identifying visitors’ norms within outdoor recreation settings has not been able to link the geographical location with the corresponding evaluation of unacceptable levels of impact. This study combines a traditional on-site visitor survey with a Public Participation Geographic Information Systems survey to produce spatially explicit information on visitors’ acceptance of tourism impacts. Using a web-based participatory survey, visitors were asked to indicate specific locations where they felt the effects of tourism disturbed the quality of their experience in Oulanka National Park. These evaluations were analyzed at multiple scales – destination, specific zones, and sites – to promote more efficient park management. Based on visitor evaluations, we found a collection of hotspots in the park where tourism has already caused unacceptable impacts. Visitors noted that crowding and erosion disturbed their experiences, especially along highly visited trail sections, while littering was considered problematic near wilderness huts. However, participant satisfaction at these sites was not lower than elsewhere in the park. This indicates that the association between negative impacts of tourism and visitor satisfaction is not straightforward, but complex. This study encourages the collection of spatially accurate data on visitors’ assessments of the effects of tourism because it has the potential to more efficiently direct park management policies. In addition, spatial techniques provide a new means to monitor the impacts of tourism, acknowledging that visitors’ perceptions of acceptability of tourism impacts also vary within tourism destinations, such as parks.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号