Modelling drought and recovery in the southern Murray‐Darling basin*

The prolonged drought from 2006–07 to 2008–09 in south‐eastern Australia presented severe difficulties for dry‐land and irrigation farmers in the southern Murray‐Darling basin. A dynamic multi‐regional computable general equilibrium model (TERM‐H2O) is used to estimate the economy‐wide small region impacts during and after drought. Drought reduces real GDP in some small regions by up to 20 per cent. Irrigation water trading and farm factor movements alleviate losses. The drought results in an estimated 6000 jobs being lost across the southern basin. Depressed farm investment during drought results in farm capital not returning to baseline levels after drought. Consequently, job numbers in 2017–18 remain 1500 below forecast in the southern basin.     

论任美锷的中国工业区划方案

任美锷1944年提出的以韦伯的工业区位理论、孙中山的工业区位思想为理论基础的中国六大工业区划方案是民国时期最为系统、全面的工业区划方案.该区划方案遵循工业区位选择兼顾经济条件与国防安全、工业建设注重全国的一贯与区域间分工协作原则,根据各区域资源环境等条件的特殊性与差异性规划了各区域工业适宜发展重点.     

我国主体功能区规划若干问题之管见

文章介绍了我国区域发展战略的演进过程,分析了主体功能区建设的重大意义和深刻内涵,探讨了主体功能区规划理论探索中的重点和难点,结合《中华人民共和国城乡规划法》的实施,从规划理念、规划内容和方法上,浅议了主体功能区规划对城乡规划的影响。     

我国钾盐矿资源综合评价与区划布局建议

钾盐矿是我国农业用重要非金属矿产资源,但我国钾盐矿资源紧缺,勘查开发利用程度低,对其在保障程度、资源潜力和综合利用方面进行综合评价并在勘查开发布局上进行科学区划研究,对促进钾盐矿勘查开发利用具有一定意义。     

中国南方稻农干旱风险处理策略

干旱对中国农业生产的影响越来越严重。本文从微观的角度探讨了在面临干旱时农户所采用的各种应对策略,并对这些策略的有效性进行了一定的评估。本文发现,多数农户通过这些策略成功地应对了一般性的干旱,但一些贫困农户在此方面仍然面临着较大的困难。     

湖南干旱特征及其对经济的影响

本文根据湖南省志和湖南统计年鉴的资料,将旱灾分为部分地区干旱年、大范围干旱年、全省性干早年和全省性大早年.用定量统计标准统计出旱灾年数,分析得出了湖南的干旱灾害特征和形成原因及其对湖南经济的影响,并提出了相应的对策.     

大城市新冠肺炎疫情风险评估与精准防控对策——以郑州市为例

新型冠状病毒感染的肺炎疫情是当前世界广泛关注的国际突发公共卫生事件。选取本次疫情受影响较为严重的城市--郑州市为例,综合运用GIS空间分析技术、层次分析法与综合加权法等对郑州市疫情的演变趋势、基本特征、空间分布以及风险等级评估进行研究。结果表明:①郑州市疫情防控措施卓有成效,有效遏制了疫情的传播扩散,并且在提高病人治愈率,降低病死率方面效果显著。②从疫情传播的基本特征看,病例中男性占比高于女性,年龄上以青年(18~40岁)和中年(41~65岁)为主。随着时间的推移,输入性感染病例在逐渐减少,家庭聚集性感染和密集接触性感染病例在当前疫情发展过程中占主导地位,且病例来源地主要为郑州市区。③疫情的空间分布差异显著,县域层面上,金水区、管城区、二七区、中原区以及巩义市的确诊病例较多,市区街道尺度上主要分布在中心城区三环以内的人口密集地区。④风险等级较高区域主要分布在金水区、二七区、中原区与管城区等郑州市区,风险等级较低区域主要分布在新密市、新郑市与中牟县等地区。     

黄土高原区制约粮食生产的干旱原因分析

该文以大量翔实的调查资料，分析论证了西北黄土高原水土流失区制约粮食生产发展的因素，干旱发生规律及其主要类型，进而对该区干旱缺水的因素进行了深层次的研究；为粮食及农业生产的防旱抗旱减灾活动提供了理论依据。     

The application of environmental economics in marine functional zoning and coastal city conceptual planning

There are a lot of functions of marine resources. The various and competing conflicts between different users and different sectors in the use of marine resources will cause the disorderly development of marine resources, and even destroy the marine ecosystem. Marine functional zoning is an effective tool to solve the conflicts. However, there are some shortcomings in the current understanding on marine functional zoning and its practice. In this paper, a case study on the resource-oriented marine functional zoning of Xiangshan Port is introduced. By the principles of resource-oriented and public participation, Xiangshan Port is divided into seven zones, and the main function of the whole port and seven zones are determined by the environmental economics analysis. A case study of Xiamen is also introduced for how to integrate marine functional zoning into a coastal city conceptual planning. Under the conservation principle, resources-oriented principle and so on, the advantages and disadvantages of natural ecosystem, social ecosystem and economic ecosystem are holistically analyzed, the urban orientation of Xiamen is determined as a regional international tourism city, and the whole city is divided into five function zones according to its leading industry -tourism. Resource-oriented marine functional zoning has a long-term guidance for sustainable use of marine resources and development strategy of a coastal city. And environmental economics analysis is an effective tool for resource-orientation.     

配送中心拣货系统中的分区策略研究

对影响配送中心拣货作业效率的分区策略进行了介绍，并对拣货分区设计的某些策略进行了举例说明。