A climatic environmental performance assessment method for ecological city construction:Application to Beijing Yanqi Lake

In contrast to the input perspective for evaluating planning metrics, this research takes the climatic environmental output effects as the starting point for assessing ecological city construction. Based on approaches such as observation data analysis, meteorological model simulation, and remote sensing, a set of climatic environmental performance assessment methods is developed and established. These methods mainly focus on surface ventilation assessment and urban thermal environment assessment. With the Yanqi Lake ecological development demonstration area located in Huairou district, Beijing as an example, the assessment of the local climatic environment before and after the construction are conducted, and relevant policy suggestions for urban planning and construction are presented. The results show that after development, the ventilation capacity will decrease overall and the ventilation potential index will decrease from 0.53 to 0.44. While this is not a large reduction, and is still at a favorable level, the ventilation potential in some local areas will markedly decrease. Furthermore, the thermal environment will become poorer to some extent; the urban heat island(UHI) area and intensity will increase compared with the current situation;continuous heat islands may occur in local areas; the UHI potential index of the core area will rise from 0.0878 to 0.1217(still a favorable level).Therefore, urban surfaces should be carefully developed and arranged during planning. It is suggested that the negative impacts of large areas of urban construction on the local climatic environment in the Yanqi Lake could be mitigated by 1) strengthening the airflow by introducing fresh,cold, northwesterly air via constructed ventilation corridors, 2) increasing the number of ecological cold sources, particularly for water bodies and green belts to prevent the UHI in the southern region of Yanqi Lake from becoming linked with each other, and 3) considering a pre-program before sub-domain and building planning to obtain optimum building locations. Different construction standards should be developed for different ventilation potential and UHI intensity levels. For strong heat island areas, land areas should be reserved to serve as cold sources.

Strategies for Construction of Sustainable Development Experimental Zone in Fumian District,Yulin City

From strengthening the construction of an innovation system,adhering to the green development model of the industry,advancing the rural revitalization strategy,strengthening the protection and inheritance of cultural heritage,accelerating the development of social undertakings,and expanding the space for regional cooperation,this paper discusses the strategies for the construction of sustainable development experimental zone in Fumian District,Yulin City.It is intended to build Fumian District into a vibrant,economically prosperous,urban and rural integrated,characteristic cultural,safe and harmonious,inclusive and open district.

Approaches of Landscape Design for the Construction of Low-carbon Ecological City

The prominent role and remarkable achievements of landscape design in the construction of low-carbon ecological city were analyzed in the context of global environmental issues. This study stressed that landscape architecture, as a comprehensive discipline handling human-land relationship, would play a significant role in the construction of low-carbon ecological city, and finally proposed a variety of approaches of landscape design for constructing low-carbon ecological city.

A Study on the Relationships of Ecological Civilization Construction with Natural Conservation and Sustainable Resources Use

Ecological Civilization Construction and natural conservatiorl and sustain- able resources use are three aspects of same object proposed from various angles of theory and practice. The paper intends to simply deal with some problems of this aspect and to propose corresponding suggestions for related departments.

THOUGHTS ON CONSTRUCTING THE DEMONSTRATING AREAS OF THE ECOLOGICAL REBUILDING AND ECONOMIC SUSTAINABLE DEVELOPMENT IN HEXI REGION

Based on the field investigations, this paper analyzes systematically the achievements and problems of constructing the demonstrating areas of the ecological rebuilding and economic sustainable development in Hexi, Gansu Province, and then the thoughts on constructing the demonstrating areas are brought forward. It is considered that all kinds of ecological demonstrating areas should be merged in order to construct large scale characterized demonstrating areas which go beyond the district. In other words, in Hexi Region, Zhangye District should be constructed as the largest ecoagriculture demonstrating area of high technology; Wuwei District should be constructed as the largest ecological demonstrating area of agricultural comprehensive exploitation; JiuJia District, which is the shortened form of Jiuquan and Jiayuguan, should be constructed as the largest ecotourism demonstrating area; and Jinchang City should be constructed as the largest ecoindustry demonstrating area. At the same time, the constructing pattern should be selected according to the actual circumstances; science and technology should be applied to construct the demonstrating areas and accelerate the industrialization in the big market. Additionally, it is important to smooth the constructing system and implement the flexible and efficacious running mechanism, and it is suggested that the committee should be organized to administer the ecological demonstrating areas in Hexi Region.

Marine Ecological Civilization Construction Based on Marine Ecological Culture

Marine ecological civilization is an important part of the socialist ecological civilization, and marine ecological civilization construction is the fundamental way to realize the sustainable development of coastal economy and society. Moreover, it has great theoretical and practical signifi- cance. In this paper, from the perspective of marine ecological culture, the important significance of building marine ecological civilization was ex- plored, and the problems existing in marine ecological civilization construction were analyzed from four aspects of management system, marine in- dustry, ecological action and marine culture. According to the problems, a series of measures to build marine ecological civilization were put for- ward, such as improving marine management system, optimizing marine industrial structure, strengthening infrastructure construction in coastal are- as, and speeding up the development of marine cultural creative industries.

Sustainable Development of Wuhan City Based on Methods of Conventional Ecological Footprint and Emergy Ecological Footprint

This article uses the conventional ecological footprint method and its improved model of ecological footprint to analyze the state of the sustainable development of Wuhan City in 2009, the results show that the per capita ecological deficit calculated by the method of emergy ecological footprint is 3.8629 hm2, and the per capita ecological deficit calculated by the method of conventional ecological footprint is 2.0169 hm2. The results obtained by the two methods respectively show that current development of Wuhan is unsustainable. The emergy ecological footprint method introduces the energy flow to reflect the relationship between human resource demand and supply of nature to human and adopts parameters—emergy conversion rate and energy density to calculate the ecological carrying capacity data which is more accurate.

Construction of Ecological Squares Based on the Concept of Sponge City

The application of the concept of sponge city in engineering and construction can efficiently reduce the surface runoff and peak flow,prevent surface flooding,and purify rainwater,thus achieving the recycle of water resources.In this paper,ecological technologies including the permeable concrete floor,sunken green space,grassed swale,ecological tree pool,and catchment module were comprehensively used in the construction of ecological squares.It can be said that this paper has carried on the effective exploration and practice of ensuring the city's water ecological security,promoting the transition of the traditional concept of urbanization construction in China and the sustainable development of the modernization construction of urban clusters.

Development of Ecological Agriculture in Xiantao City

This paper takes ecological agriculture as the starting point.On the basis of field investigation and research on the basic situation of the development of ecological agriculture in Xiantao City,this paper focuses on the development models of ecological agriculture in some typical regions such as Xianfeng Village,Zhanggou Town,Chenchang Town and Shazui Street Office in Xiantao City.This paper analyzes many problems that affect and restrict the development of ecological agriculture in Xiantao City,and puts forward some measures and suggestions to promote the development of ecological agriculture in Xiantao City.

Review of Tourism Ecological Security from the Perspective of Ecological Civilization Construction

In the era of sustainable development,the ecological impact of the development of the tourism industry has attracted extensive attention from all walks of life.Generally considered,tourism ecological security(TES)is an important link to realize the high-quality development of tourism destinations and promote the construction of ecological civilization.Based on keyword discrimination of TES,tourism ecological risk and tourism ecological health,and from the perspective of ecological civilization construction,this paper uses the databases of Web of Science and CNKI as data sources to systematically comb and analyze TES research from the aspects of development process,research methods and research content,and puts forward the prospects for future research on this basis.This analysis found that research in the TES field presents four main characteristics.(1)The phased characteristic of“germination-exploration-development”is significant,and a relatively standard research framework of“evaluation-influencing factors-early warning-regulation”has been formed.(2)The empirical orientation of the research methods is distinct.(3)The development trend is characterized by small-scale dominance and a large-scale surge.(4)The disciplinary integration and practical combination have been continuously strengthened.Combined with the development trends and hot spots of TES,this paper proposes that the direction and goal of deepening TES research in the future should be carried out from the aspects of strengthening research on thresholds,early warning and regulation,improving the application of big data,constructing the synergistic effect mechanisms between tourism and ecology,and realizing the longitudinal deepening and interconnection of scale research.

Dynamic Change of Ecological Footprint in Xingtai City in the Years 2003-2009

Quantitative estimation of the ecological footprint in Xingtai City in the years 2003-2009 is carried out by using the Ecological Footprint Model and the Time Series.Result shows that the per capita ecological footprint demand increases in Xingtai City from the year 2003 to 2009;and land use for energy shows a significant increase,accounting for the maximum proportion in per capita ecological footprint demand.Per capita ecological footprint supply gradually decreases.Ecological supply provided by cultivated land occupies the greatest proportion in the supply of per capita ecological carrying capacity,which is the main factor determining the supply of ecological carrying capacity in Xingtai City.In the years 2003-2009,ecological footprint of Xingtai City is at the state of ecological deficit.This indicates that the economic and social development of Xingtai City is based on the over-exploitation of resources,especially the cultivated land and energy land.Thus,the development mode of Xingtai City has already been in a state of unsustainable development.Based on this,corresponding countermeasures are put forward for the sustainable development in future,so as to implement the healthy control of the sustainable development in Xingtai City,China.

The Dynamic Analysis of Agro-ecological Economic System on the Basis of Emergy: A Case Study of Wu'an City in Hebei Province

Using the method of emergy analysis, we analyze the input and output of agroecological economic system, and select five indicators (net emergy yield ratio, emergy investment ratio, environmental loading ratio, emergy sustainability index, and dominance of emergy yield system) for assessment. The results show that the emergy input-output in Wu'an City is in general on the rise; the emergy investment ratio rises constantly, but the net emergy yield ratio decreases, and the comparative advantage in the prices of agricultural products is gradually lost. At the same time, with increase in the non-renewable industrial support emergy, the environmental pressures are also mounting. In the future agricultural development, it is necessary to pay more attention to the coordination between agricultural development and ecological environment, achieving sustainable development of agriculture.

Ecological Planning of Resource-based City——A Case Study of Huaibei City,Anhui Province

Ecological planning plays an important role in the construction of cities. Huaibei is a typical coal resource-based city, the abundant coal resources lay a solid foundation for its economic development. Coal mining has induced a series of social problems, and affected the regional social and economic development. Ecological planning of Huaibei City concentrates on ecological restoration of coal mining subsidence, and applies circular economy to develop eco-agriculture, eco-tourism and eco-industry, which will contribute considerably to the economic transformation of the city. Analytic Hierarchy Process and mathematical statistical model were applied to calculate sustainable development indexes of Huaibei from 2002 to 2010. By evaluating the indexes, it was found that Huaibei City has a low sustainable development level, and 3 imbalanced subsystems as the major obstacle. The authors proposed countermeasures according to specific conditions of the city.

农村职业教育助推乡村可持续发展的新定位

乡村可持续发展是时代强音,农村职业教育作为强大的助推力量,培养“生态人”是其应有的新定位。“生态人”的内涵与发展原则要求农村职业教育在发展思想、技能培养、技能评价标准以及“双师型”教师队伍建设等方面凸显新的定位需求。面对当前农村职业教育“适农化”程度低、生态要义缺失,偏重生态学科知识、忽视生态能力和素养,强调“经济向度”、生态文明内在素质被悬置,关注师资学历层次、弱化生态教学能力等问题,需要确立培养“生态人”的理念、构建系统化的技能培养体系、制定科学合理的技能评价体系、重视“双师型”队伍生态化转型以赋能乡村可持续发展。

核心企业数字创新生态系统构建的内在机制——基于意义建构和资源编排视角

为探究以传统制造企业为核心的数字创新生态系统构建过程,并弥补以往主要从意义建构单一认知层面探讨问题的不足,选取潍柴动力股份有限公司为研究对象,运用纵向单案例研究方法,基于意义建构与资源编排相结合的视角,探索核心企业意义建构、资源编排与数字创新生态系统构建的内在机制。结果发现:(1)意义建构及其跨层次传递是推动数字创新生态系统构建的先决条件,意义建构的形成和转变是核心企业为匹配适应环境中技术与需求变化的结果;(2)核心企业始于领导层面的跨层次意义建构及其引发的资源编排行为,以及二者的交互和协同演进是推动数字创新生态系统构建的核心机制;(3)意义建构通过资源编排获得反馈,不断对自身认知进行迭代,最终实现从生态基础搭建到生态共享,进而发展到创新生态可持续发展。从而得到启示:核心企业数字创新生态系统构建的关键驱动因素是管理者认知,同时管理者要充分重视引导高管团队、企业及企业间形成统一认知的意义给赋行为,并充分重视资源编排行为的价值。

双碳目标下河北省新型智慧城市建设研究

面对当今碳达峰与碳中和“双碳”工作新要求,作为京津冀生态协同圈的腹地,河北省尤为注重新型智慧城市建设。鉴于此,文章分析了在双碳目标下河北省新型智慧城市建设在城市治理、城市化过程和信息科技发展的条件下,向新型智慧城市过渡的必要性,并对智慧城市建设的政策体系、技术成果和应用领域的发展现状进行了分析研究。

能源变革与生态福利绩效研究——基于新能源示范城市设立的准自然实验

能源变革是推动能源结构绿色转型的关键,新能源示范城市政策是能源变革的重要举措,也是推动城市生态文明建设发展的有力支撑。本文基于2007~2021年我国279个城市的面板数据,通过倾向得分匹配-双重差分模型(PSM-DID)探究新能源示范城市政策对生态福利绩效的影响。研究发现:新能源示范城市的设立有助于提升城市生态福利绩效。新能源示范城市政策对城市生态福利绩效的影响在东西部城市、行政等级高的城市和非资源型城市更为显著。机制检验表明新能源示范城市主要通过优化产业结构、提升技术创新水平和降低资源依赖度3种途径提升城市生态福利绩效,为政府有效实施城市能源建设并提升城市生态福利绩效提供积极的政策启示。

Research on the Regional Ecological Environment Evaluation and Application under the Influence of the Severe Earthquake Disaster

To conduct the ecological restoration and reconstruction of disaster areas after the severe earthquake, such as Wenchuan Earthquake and Lushan Earthquake, this article uses region al ecological environment evaluation and ecological footprint to construct a quantitative analysis model on the basis of ecololgical environment indexes in Mianzhu City. Through this model, resource status of the regional environment in Mianzhu is analyzed, as well as the ecological capacity and the ecological security. Based on the evaluation and analysis, this paper provides multi-path development strategies of ecological restoration and sustainable development of human settlements after the earthquake.

高速公路廊道生态影响分析及可持续发展研究

高速公路建成通车对区域交通、旅游、经济、社会发展等意义深远,但是公路规划、建设、运营、养护不可避免与高速公路廊道区域生态环境保护目标存在一定的冲突。本文以太行山高速公路邢台—邯郸段为例,通过遥感地学相关分析、GIS空间叠加分析等方法,分析了太行山高速公路建设对生态环境敏感区域的生态影响。研究发现:高速公路部分路段直接占用草原、森林、水体与湿地等生态系统及生态环境敏感区,其建设、运营过程中不可避免对交通廊道内土壤结构、理化性质、原生植被群落、动物栖息地、斑块破碎化等微生态系统产生影响。建议在规划、建设、运营和养护中严格限定和控制高速公路生态影响边界、持续高标准完成生态恢复与修复、丰富“交通+”绿色发展内涵,以持续推动高速公路高质量发展。

“四体共建,共治共享”:新内生式发展视角下乡村建设模式及治理效应——以潮州市Z村为例

新内生式发展理论作为现阶段欧洲乡村发展的主流理论思想,强调内生单元与外部单元的有机结合,有助于应对乡村建设过程中由内生性主体缺位引发的发展困境。研究以广东省潮州市Z村作为实证研究对象,发现Z村在传统物质空间建设过程中呈现“四体共建,共治共享”的社会治理效应:1)Z村以乡村建设为契机,组建“富村公司”作为对话平台,对内整合村民土地资源,对外引入政府资源与企业资本,形成政府、企业、集体、村民联动的“四体共建”乡村建设模式;2)“四体共建”有效推动重点产业项目落地,激活乡村集体经济,使乡村公共品的持续供给成为可能;3)Z村在乡村建设过程中,培养乡村基层主体的参与意识,有助于形成“共治共享”的常态化治理制度。研究认为,在新内生式发展理论指导下,应进一步挖掘乡村建设过程中的治理效应,以推动乡村的可持续发展。