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   255篇
  免费   12篇
  2023年   2篇
  2022年   2篇
  2021年   2篇
  2020年   7篇
  2019年   13篇
  2018年   14篇
  2017年   21篇
  2016年   18篇
  2015年   8篇
  2014年   15篇
  2013年   56篇
  2012年   9篇
  2011年   8篇
  2010年   3篇
  2009年   6篇
  2008年   3篇
  2007年   5篇
  2006年   5篇
  2005年   4篇
  2004年   2篇
  2003年   5篇
  2002年   6篇
  2001年   7篇
  2000年   2篇
  1999年   3篇
  1998年   1篇
  1997年   5篇
  1995年   3篇
  1994年   2篇
  1993年   2篇
  1992年   1篇
  1988年   1篇
  1987年   4篇
  1986年   1篇
  1985年   1篇
  1984年   3篇
  1983年   1篇
  1982年   2篇
  1981年   1篇
  1980年   2篇
  1979年   1篇
  1977年   1篇
  1976年   2篇
  1975年   1篇
  1973年   2篇
  1972年   3篇
  1970年   1篇
排序方式: 共有267条查询结果,搜索用时 15 毫秒
221.
Urban planning measures and restructuring policies tend to cause unintended increases in house prices. The study compares urban renewal areas with respect to such policy impact on housing and neighbourhood quality and house prices in two city-contexts: Amsterdam and Budapest. It shows how four neighbourhoods that have been subject to various forms of urban regeneration differ in their trajectories of house price development. The results tie with well-documented, mostly Anglo-American experiences of related phenomena such as New Urbanism, Neo-traditional communities and gentrification. Furthermore, the study merges two research objectives that often are seen as incompatible: housing markets and urban regeneration.  相似文献   
222.
The aim of this article is to discuss democratic potentials and pitfalls inherent in the use of Foresight methodologies, especially on the regional level. Foresight is used on the regional level as a tool for developing common visions about the future, strengthening the cohesion between regional actors and enabling coordinated action towards common goals. Based on broad participation, foresight represents a departure from expert-based scenario building and planning. The emphasis on building common goals and achieving coordinated action makes it feasible to conceptualize foresight processes as instances of governance. Based on a discussion on generalized modes of governance, a contention is made to the effect that foresight processes most closely resemble network governance as a general mode. With this point of departure, the paper uses arguments from the debate on democratic network governance to substantiate the discussion on the democratic aspects of foresight.  相似文献   
223.
The accounts of explorers and colonists in the Kimberley region of Western Australia were searched to find records of landscape burning by Aborigines. Analyses of these records provide estimates of the spatial and temporal patterns of fire across the region in historic times. The seasonality of fire varied across the region. In northern parts of the Kimberley landscape fire was recorded from May to October with peak levels in June and September. In southern parts of the region there are records of burning as early as February and March, through to August but no records of fire were made in late dry season months. Modern fire regimes were compared with historic by superimposing the routes taken by five explorers over a modern fire history map derived from satellite imagery. Tallies of the number of modern fires that intersect the explorer's daily and monthly route were compared with actual observations of fire made by the explorers in historic times. The results indicate an increase in early dry season fires and the overall frequency of fires across the region in modern times. Explorers' accounts were also examined to derive further information regarding Aboriginal landscape burning in different environments and to distinguish landscape burning from other uses of fire such as smoke signals and cooking fires.  相似文献   
224.
225.
The later Holocene spread of pastoralism throughout eastern Africa profoundly changed socio-economic and natural landscapes. During the Pastoral Neolithic (ca. 5000–1200 B.P.), herders spread through southern Kenya and northern Tanzania—areas previously occupied only by hunter-gatherers—eventually developing the specialized forms of pastoralism that remain vital in this region today. Research on ancient pastoralism has been primarily restricted to rockshelters and special purpose sites. This paper presents results of surveys and excavations at Luxmanda, an open-air habitation site located farther south in Tanzania, and occupied many centuries earlier, than previously expected based upon prior models for the spread of herding. Technological and subsistence patterns demonstrate ties to northerly sites, suggesting that Luxmanda formed part of a network of early herders. The site is thus unlikely to stand alone, and further surveys are recommended to better understand the spread of herding into the region, and ultimately to southern Africa.  相似文献   
226.
227.
This article presents a new analytical framework for studying cities in the developing world based on the ‘political settlements’ approach. This has a dual purpose: to enrich comparative urban research by bringing new theoretical ideas to bear on this field, but also to use capital cities as a lens to better understand national political settlements. The central argument is that urban built environments and their transformations in situations of late development reflect the workings of different varieties of clientelism, and by analysing the former we can better understand the latter. Specifically, issues such as the nature of urban land use and land allocation, the pace and form of construction, the effectiveness of environmental regulation and the provision of housing for different income groups are all revealing of political settlements and their broader development implications. The potential of this approach is explored through three narrative ‘sketches’ of contemporary urban development in Eastern Africa: the ‘city as marketplace’ (Kampala), the ‘city as expo’ (Kigali) and the ‘city as construction site’ (Addis Ababa). In presenting this framework, the article seeks to advance debate on epistemological and analytical approaches to the study of both power relations and differential patterns of urban development.  相似文献   
228.
229.
230.
Beginning in 2002, Kenyan water governance transitioned from a monocentric, top‐down system to one exhibiting traits of polycentricity. In this paper, we investigate the changes made to water policy following the 2002 reform, outcomes produced in a collection of community‐ and catchment‐level user groups in the Mount Kenya region, and the conformance of these changes and outcomes with principles of polycentricity. A new framework is used to capture the complex institutional arrangements and interactions existing before and after the polycentric transformation. Unlike many previous polycentricity studies, the present research focuses primarily on the outcomes of the polycentric shift and determines if these correspond to predictions from polycentricity theory. We utilize survey data collected in 2013 from water managers, as well as archival research to interrogate congruence with principles of polycentricity. This study contributes to the broader discussion on polycentricity in two fundamental ways: (i) It documents the functioning of a water management system following a top‐down imposed polycentric reform, and (ii) It empirically inspects whether these polycentric reforms have produced benefits predicted by polycentricity theorists, such as experimentation by local water users, increased collective action, and improved coordination between levels of management.  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