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随着城市化的发展,城镇国有土地的可供应量日显不足,盘活集体建设用地势在必行。本文通过集体建设用地流转在开发区土地集约利用中的应用,探讨如何提高开发区土地资源的持续保障能力,保证经济社会的可持续发展。 相似文献
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单县国土资源局开发区分局在土地利用上探索挖潜存量土地,节约集约用地,保障项目建设,搞好优质服务,促进开发区经济又好又快发展。对开发区用地采取了高点定位,合理规划,挖潜存量建设用地,盘活利用闲置用地,集约节约利用现有土地,实施利用土地置换,争取城镇挂钩,城中村改造,争取建设用地指标等办法,为开发区大项目及时落地奠定了一个良好的基础。 相似文献
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一、背景
近年来,随着工业化、城市化的推进,建设用地需求日益增加,土地供需矛盾日益突出,特别是城市基础设施、开发区（工业园区）、生活居住等各类建设用地需求的不断增加,使土地资源保障和保护工作面临着双重压力。但在实际情况中,一方面土地资源极为稀缺,另一方面在土地利用中还存在着许多粗放浪费的现象。 相似文献
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土地节约集约利用是保持经济持续快速健康发展的必然选择,也是全面建设小康社会和构建和谐社会的必然要求。开发区作为对外开放的前沿和最富有竞争力的经济区域,对威海市经济社会发展做出了巨大贡献,发挥了辐射、示范和带动作用。为总结开发区节约集约用地的成功经验,研究探讨新形势下开发区土地集约利用的新思路,促进开发区建设再上新水平,威海市对开发区土地节约集约利用情况进行了深入调研,并提出了节约集约用地的新思路。 相似文献
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土地节约集约利用是保持经济持续快速健康发展的必然选择,也是全面建设小康社会和构建和谐社会的必然要求.开发区作为对外开放的前沿和最富有竞争力的经济区域,对威海市经济社会发展做出了巨大贡献,发挥了辐射、示范和带动作用.为总结开发区节约集约用地的成功经验,研究探讨新形势下开发区土地集约利用的新思路,促进开发区建设再上新水平,威海市对开发区土地节约集约利用情况进行了深入调研,并提出了节约集约用地的新思路.…… 相似文献
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本文认真分析了长沙经济技术开发区的用地现状，对开发区内土地的利用程度和利用效益进行了评价，总结了目前经开区土地利用存在的一些问题，提出了要做好开发区规划、节约集约用地、改变供地方式、清理闲置用地等建议。 相似文献
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CSAMT 法在辽西康杖子区深部探矿中的应用 总被引：5，自引：0，他引：5
可控源音频大地电磁法(CSAMT)具有探测深度大、横向分辨率高、抗干扰能力强的特点,在深部找矿勘探中有着重要的指导意义。肖家营子铜钼矿床是辽西地区一个大型矽卡岩型金属矿床,大部分矿体是隐伏矿体,矿区外围的康杖子区与本区有相似的成矿地质环境,成矿地质条件优越.矿体与围岩电性差异明显,通过应用CSAMT,矿体具有低电阻特点,根据成果推断解释,对深部有利成矿部位进行了钻探验证,取得了理想的探矿效果,在矿区外围取得第二深度空间找矿重大突破。 相似文献
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Julie Okpala 《GeoJournal》1990,20(1):37-43
This paper traces the development of geographic education in Nigeria and examines the views of geographers, other academics,
students and the public at large about the importance of geography. Geography's value is immense despite the non-professional
nature of the discipline. Nevertheless, there is a need to define geography's status and ensure career prospects for students.
The Nigerian Geographical Association (from classroom teaachers to top geographers) must promote geography, improve its status
in schools and universities, and continuously restructure its content and methods to address pertinent social needs. 相似文献
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Trends in landslide occurrence in Nepal 总被引：2，自引：0，他引：2
David N. Petley Gareth J. Hearn Andrew Hart Nicholas J. Rosser Stuart A. Dunning Katie Oven Wishart A. Mitchell 《Natural Hazards》2007,43(1):23-44
Nepal is a mountainous, less developed kingdom that straddles the boundary between the Indian and Himalayan tectonic plates.
In Nepal, landslides represent a major constraint on development, causing high levels of economic loss and substantial numbers
of fatalities each year. There is a general consensus that the impacts of landslides in countries such as Nepal are increasing
with time, but until now there has been little or no quantitative data to support this view, or to explain the causes of the
increases. In this paper, a database of landslide fatalities in Nepal has been compiled and analysed for the period 1978–2005.
The database suggests that there is a high level of variability in the occurrence of landslides from year to year, but that
the overall trend is upward. Analyses of the trends in the data suggest that there is a cyclicity in the occurrence of landslide
fatalities that strongly mirrors the cyclicity observed in the SW (summer) monsoon in South Asia. Perhaps surprisingly the
relationship is inverse, but this is explained through an inverse relationship between monsoon strength and the amount of
precipitation in the Hill District areas of Nepal. It is also clear that in recent years the number of fatalities has increased
dramatically over and above the effects of the monsoon cycle. Three explanations are explored for this: land-use change, the
effects of the ongoing civil war in Nepal, and road building. It is concluded that a major component of the generally upward
trend in landslide impact probably results from the rural road-building programme, and its attendant changes to physical and
natural systems. 相似文献
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Takeshi Nose Dr. 《GeoJournal》1985,10(3):261-276
Conclusions During the last ten years, aquaculture, especially mariculture has undergone remarkable expansion to counter-balance the gap between the supply and demand of fishery products in Japan. Its expansion has also been supported by the traditional preference of the Japanese people for seafood. Mariculture is now being forced to change its structure due to adverse economic circumstances such as the rise in the cost of energy, feeds and other materials for culture, low market prices, deterioration of environmental conditions, and many other factors. Before these constraints can be resolved, advanced scientific knowledge and technologies must be integrated to develop new types of aquaculture. Expansion of maricultural activities to more open-sea and off shore areas would be one route to follow. Technologies for the development of formulated diets not only for young but also for adults and larvae, establishment of feeding standards, prevention of epizootic diseases must support the establishment of modern aquaculture.The culture-based fisheries, or marine ranching, is becoming a subject for further development in Japan. Much research work has been conducted with a great degree of governmental support. Establishment of a net work of seedstock production farms has made it possible to carry out releasing experiments on a large scale. A newly integrated restoration system could be developed on the basis of these experiments, even though the profits resulting from the artificial restoration of stocks is not thouroughly verified at present. The commencement of a national scheme for culture-based fisheries would be a manifestation of the enthusiasm of the Japanese fish industry. 相似文献
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2010年,美国铀矿总共施工7 209个钻孔,总进尺1 493 520 m;生产铀1 628.55 t;铀矿业总支出费用为2.773亿美元,其中铀矿地勘费支出为3 450万美元,占铀矿业总费用的12.44%。铀矿地勘钻探费用为4 460万美元,占铀矿业总费用的16.08%。 相似文献
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硫代砷是富硫化物地下水中砷的重要形态,对环境和人类健康有潜在威胁。目前硫代砷研究程度尚低,本次主要针对国内外地下水（地热水）中硫代砷的存在形态,水文—生物—环境地球化学过程,样品保存,定量检测方法等方面进行研究。结论如下:pH, 氧化还原电位,硫化物含量和微生物作用等是影响地下水中硫代砷稳定存在和形态分布的重要因素。含铁矿物能与水中的硫代砷形成配位键对其进行吸附,吸附性普遍弱于（亚）砷酸盐,因此,地下水中硫代砷可能表现出更强的迁移性。用于硫代砷检测的自然水样在采集中可采取过滤,速冻,厌氧和低温短期保存的操作流程,以减缓该形态的转化甚至消失。色谱联用ICP-MS系统可用于自然水样中硫代砷的分离定量检测,紫外—可见分光光度法和X射线吸收光谱法在不同场景下也可对硫代砷进行定量和表征分析。地热水和浅层地下水中均可能存在硫代砷,由于水样中硫代砷的不稳定性,室内检测和分析难以准确反映现场过程,因此,野外样品保存技术和现场检测方法的更新可能在未来有更大研究空间,值得进一步探索。 相似文献
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