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   8篇
  免费   0篇
  2013年   1篇
  2011年   1篇
  2010年   1篇
  2009年   1篇
  2006年   1篇
  2004年   1篇
  1994年   1篇
  1977年   1篇
排序方式: 共有8条查询结果,搜索用时 15 毫秒
1
1.
Economic geography has undergone a number of paradigm shifts since the Von Thunen model was at the peak of its popularity in the 1960s and 1970s. This study examines the cost of moving wheat from farm to ship in South Australia and constructs a transport-cost surface for the season 1991/92. Transport costs still exert a very important influence on farm returns and land values. Governments and other authorities, when making decisions in the name of rationalisation, or microeconomic reform, should examine very carefully the spatial consequences of their actions. In the short-run at least, the farmer's world is very much a normative and partial equilibrium one. At least in respect of a significant Australian agricultural enterprise, normative and partial equilibrium models should not be seen as obsolete.  相似文献   
2.
Maya Reborn     
Since the mid-1980s there has been tremendous interest among anthropologists and Maya speakers in preserving, promoting, and revitalizing aspects of Maya culture throughout Mesoamerica. While the emphasis and intensity of this effort varies regionally, ethnographers have documented efforts to revitalize Maya theater in Chiapas, to promote spoken Maya in Guatemala, to excavate new ruin sites in Yucatan, and to reinvigorate Maya literature, music, and dance in all three areas.  相似文献   
3.
4.
The assessment of research activity in universities is now undertaken regularly in a number of countries, with resources then being allocated according to the results of those evaluations. Such an exercise (a Research Quality Framework – RQF) has recently been proposed for Australia. This paper suggests likely consequences of such an exercise for geography in Australian universities, given its current situation there, on the basis of experience with the Research Assessment Exercises undertaken in the UK since 1986.  相似文献   
5.
6.
Recent claims that Sydney's ethnic residential concentrations are a permanent feature and that the city is rapidly turning into a city bifurcated along an ethnic divide cannot be sustained by the evidence. An understanding of multicultural policies as they operate in Australia, and of segregation as essentially a transitory phenomenon there, suggests that social bifurcation is unlikely to occur. Immigrant concentrations in the poor suburbs are nothing new, and do not imply the entrapment of ethnic groups. While immigrant residential concentrations are increasing in size, commensurate with the influx of large numbers of migrants from non‐English speaking backgrounds over the past 30 years, the evidence suggests that claims of bifurcation are a product of the usage of birthplace data, the aggregation of ethnic groups into just two groups and a failure to take account of the degree of mixing. Evidence from both birthplace and ancestry data using different levels of ethnic aggregation and more appropriate analyses shows that Sydney is dominated by an intermixing of different ethnic groups with each other and with the host society, and not by high levels of ethnic segregation. Ancestry data from the 2001 Census show the spatial assimilation into the host society of the grandchildren, but less so the children, of immigrants in Sydney with similar rates for both the white non‐Anglo‐Celtic and the Asian populations.  相似文献   
7.
The need for public investment to address loss of biodiversity in agricultural landscapes is well recognised, yet there is little analysis of the likely benefits of land‐use change for regional biodiversity or the cost effectiveness of different investment options. We estimated benefits for biodiversity and cost effectiveness of different investment scenarios over 50 years for a farming area in south‐eastern Australia. Declines in biodiversity were predicted under status quo land use. Implementing actions in the investment scenarios improved biodiversity status only slightly, compared with status quo land use. Future biodiversity status differed little between biodiversity‐focused investment and salinity‐focused investment. Biodiversity status equalled or exceeded current status only for investment scenarios with much more extensive revegetation than in catchment targets. Cost effectiveness of biodiversity improvement varied greatly between investment strategies. Biodiversity improvement was more cost effective when investment to meet catchment targets was focused on revegetation for salinity management rather than on high conservation value areas, because of lower opportunity costs for salinity management. With enhanced investment, the cost effectiveness of biodiversity improvement was greater when actions were in high conservation areas. Although improvements in biodiversity were small under the changed farming system scenarios, their cost effectiveness was higher than the other investment scenarios. Regional scale improvements in biodiversity in farming areas will require increased stewardship payments or other economic incentives for landholders.  相似文献   
8.
The Alternative Vote system used for elections to the Australian House of Representatives is generally believed to disadvantage the Australian Labor Party in contests with the Liberal and National parties. However, most analyses on which such conclusions are based over-simplify the situation by not separating out the translation of votes into seats according to whether the election outcome in a district is determined using the first-preference or two-party preferred (2PP) votes. Analyses of bias at five recent elections which recognise that separation find little bias against either party in the districts where the determination used the 2PP votes (i.e. no candidate received a majority of the first preferences), but considerable bias in those where the outcome was decided on first-preferences. Furthermore, that bias was not in one direction, but rather favoured the largest party in each of those contests. The reason for this is identified in the geography of support for the two parties, which produces the equivalent of a ‘cracked gerrymander’ in sufficient districts to have a significant impact on the outcome.  相似文献   
1
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