论传统服务业的生态化建设

发展循环型服务业应首先从服务行业本身实施生态化转型开始,重点对生产型和非生产型中资源消耗较大、环境影响较重的传统服务业进行生态化建设,以低消耗、低污染、产业发展与生态环境协调为目标,通过实施服务主体生态化、服务途径清洁化、消费模式绿色化及与其他产业生态化耦合等措施,把“3R”原则和生态理念融入到“提供服务”、“实施服务”、“享用服务”的服务业产业系统结构中去。     

化工资源回收利用与废水综合治理

武汉市某化工厂生产废水毒性大、污染物浓度高、盐度高、可生化性差,传统的工业废水处理工艺难以实现达标治理。本着循环经济的发展思路,通过废水现场调研和物料衡算,分析废水中的可资源化利用物质,对废水进行清污分流和污染物(DMF)资源化利用。经济分析表明,资源回收利用与污水综合治理相结合的方案不但可以实现废水的达标排放,还可以产生一定的经济效益。     

典型外向型经济地区农村固体废弃物污染处置状况与管理对策

外向型经济地区经济发达、城镇化水平高、外来人口众多,使得农村环境问题日益突出。通过对典型外向型经济地区昆山市全部行政村发放调查表并结合经验系数法,调查和统计了外向型经济地区农村固废的产生种类、产生量和处置状况。统计分析结果显示,外向型经济地区农村的主要固体废弃物为生活垃圾、农业固废、禽畜粪便和农村企业固废。根据这些污染状况,提出了农村固废处置的管理对策。     

核主成分分析法在生态经济可持续发展评价中应用

文章给出了一种非线性主成分评价模型:核主成分分析(KPCA),它将原变量空间通过一个非线性变换映射到高维特征空间F中,在F中进行线性主成分分析,通过核技巧,它只需在原空间进行点积运算,而不必知道映射的具体形式,只要选取适当的核函数和参数,可以使第一主成分的贡献率达到90%,结合安徽省生态经济可持续发展度为例,说明了KPCA应用,计算结果与现实相符,KPCA方法具有实际的应用价值。     

Cost–benefit analysis of beach-cast harvest: Closing land-marine nutrient loops in the Baltic Sea region

Harvesting beach-cast can help mitigate marine eutrophication by closing land-marine nutrient loops and provide a blue biomass raw material for the bioeconomy. Cost–benefit analysis was applied to harvest activities during 2009–2018 on the island of Gotland in the Baltic Sea, highlighting benefits such as nutrient removal from the marine system and improved recreational opportunities as well as costs of using inputs necessary for harvest. The results indicate that the activities entailed a net gain to society, lending substance to continued funding for harvests on Gotland and assessments of upscaling of harvest activities to other areas in Sweden and elsewhere. The lessons learnt from the considerable harvest experience on Gotland should be utilized for developing concrete guidelines for carrying out sustainable harvest practice, paying due attention to local conditions but also to what can be generalized to a wider national and international context.Supplementary InformationThe online version contains supplementary material available at 10.1007/s13280-021-01641-8.     

企业自创商誉的确认与计量

按照传统的会计处理模式和惯例,无形资产中可以辨认的专利权、商标权已予确认和计量,而对于商誉,国内会计准则规定,只有在企业并购时,才作为一项无形资产确认入账,即只对外购商誉进行确认和计量,而不确认和计量自创商誉．在新的经济形势下,对于自创商誉应该有新的认识,就对自创商誉的确认和计量问题做出一些论述．参5．     

旅游业是带动西南经济快速发展的先导产业

西南地区深居我国内陆,地处偏远、交通不便、自然条件差、经济发育程度低、资金匮乏,在发展初期选好先导产业,是实现西南地区持续发展的关键。西南地区旅游资源丰富,开发前景好,并已初具规模,具备大规模系统开发的基础。旅游业作为一种投资小、见效快的产业,是目前该地区对外部资金最具吸引力的产业之一。本文在分析西南地区的旅游资源和发展条件的基础上,提出了发展西南旅游业的原则     

珠海生态示范区可持续发展的制约因素及对策

本文从国土资源、生态、经济、社会四个方面论述了珠海生态示范区可持续发展的制约因素,同时提出了珠海生态示范区实施可持续发展的对策     

气候变化对区域经济的影响及其对策研究

采用经济学上著名的“投入－产出”分析方法,结合气候变化对工业影响的统计模型和对农业产量影响的计算机模拟系统,建立了气候变化对区域经济影响的投入－产出模型,预测了未来不同气候变化情景对经济部门国内生产总值和总产出量的影响;分析了当气候变化对工业、农业部门的生产和产品发生影响时,导致的国民经济其他部门生产和产品的改变、部门间需求量的变化和各部门间投入产出流量的变化,为决策者提供了一些适应气候变化的相应对策,研究结果为实现气候变化情景下区域经济的平衡与协调发展,以及制定区域经济的发展规划提供了理论依据。     

China's Voluntary Mitigation Target and Road of Low-carbon Development

China is going through a rapid development stage of industrialization and urbanization.Although tremendous achievements have been made in the aspects of energy conservation,improvement of energy effectiveness and development of new and renewable energies,because of the rapid development of economy,it is difficult to change the huge total amount and fast increase of CO2 emission in the near future.China has to confront the tough challenge to address global climate change.China plans to reduce carbon intensity,that is,CO2 emissions per unit GDP,by 40 to 45% by 2020 compared with the 2005 level.It is a strategic option to coordinate domestic sustainable development with coping with global climate change on the basis of China’s national circumstances,representing the core content and key measures for transforming development pattern and realizing low-carbon development.To achieve the target,more capital and technology inputs are required for energy conservation and low-carbon development during the twelfth and Thirteenth Five Year Plan period than in the Eleventh Five Year Plan period.In addition,energy conservation achieved by structural adjustment,industrial upgrading and product value-added improvement is also expected to play a greater role.Therefore,China should strengthen technological innovation,make greater efforts to transform the development pattern,take advantage of the synergistic effect of policies and measures while coping with global climate change and building a domestic tow-oriented society.China should also establish an industrial system characterized by low-carbon emission.Then China will ultimately achieve a win-win situation in both domestic sustainable development and coping with global climate change.