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Under the background of the new normal economy, ecotourism maintains a good momentum of development. Therefore, it can be foreseen that industrial integration is an inevitable trend in the development of contemporary industries, and the integration of cultural industries and tourism industries will bring good effects to regional economic development. In order to fully study the impact of ecotourism and its applied technologies on regional economy and culture, this paper proposes research on the application of virtual reality technology in the coordination and interaction of regional economy and culture in the sustainable development of ecotourism. The approach of this paper is to study VR technology in digital tourism and then to evaluate the sustainability of ecotourism and economic culture. The role of these methods is to study the interaction process between the tourism industry, regional economy, and cultural industry. It explores the law of action between the three so as to achieve the purpose of system optimization. Taking Henan Province, China, as an example, this paper discusses the application of virtual reality technology in ecotourism and studies the impact of ecotourism on economy and culture. The experimental results show that the average value of ecotourism-economic-cultural coordination degree in Henan Province is 0.399, and it is urgent to apply virtual reality technology in ecotourism. [ABSTRACT FROM AUTHOR]

Theoretically, agricultural insurance influences farmers' use of pesticides by changing the expected income of agricultural production. Full-cost insurance, with high guarantee and high compensation characteristics, may significantly affect farmers' pesticide use. First, this paper constructs a production function to characterize and compare the marginal incomes of insured and uninsured farmers under risk uncertainty and analyses how insured farmers can increase marginal income by increasing or reducing factor inputs. Considering scale differentiation, it discusses pesticide use strategies different types of farmers may adopt to maximize household utility. Second, using survey data of the pilot counties of full-cost insurance for wheat in Henan Province, China, the simultaneous equation model is used for empirical testing. The results reveal the following: (i) Farmers' insurance participation and pesticide application behaviour are not mutually independent. (ii) For the whole sample, full-cost insurance for wheat has a significant pesticide reduction effect. (iii) However, considering scale differentiation, pesticide application decreases significantly among insured ordinary farmers but does not change significantly among insured large-scale farmers. Third, policy measures are proposed to activate the green development function of agricultural insurance. • Construct a production function and a utility function to conduct mechanism analysis. • Estimate simultaneous equation model based on pilot area household level dataset. • Analyse the effect of full-cost insurance on pesticide input behavior. • Find full-cost insurance significantly reduces the pesticide use of ordinary farmers. • But insignificant effect on the pesticide use of large-scale farmers. [ABSTRACT FROM AUTHOR]

As a major institutional innovation in the practice of the green development concept, the energy‑consuming transaction system is a major measure to promote the reform of the ecological civilization system. The implementation of the energy‑consuming transaction system is important for improving energy utilization efficiency and achieving ‘dual control’ of energy consumption and intensity. Using the energy‑consuming transaction system pilots as an entry point, and based on the panel data from 30 provinces in China from 2006 to 2019, this paper used the difference‑in‑differences method to examine the impact and mechanism of energy‑consuming transaction system on energy efficiency. The research results showed that the energy‑consuming transaction system could significantly improve energy utilization efficiency. Specifically, it could reduce the energy consumption per unit of GDP in the pilot provinces by 5.78%. The mechanism test showed that the energy‑consuming transaction system mainly improved energy utilization efficiency by promoting green technology innovation. Heterogeneity analysis showed that the energy‑consuming transaction system would have a diminishing effect on energy utilization efficiency along with the energy saving potential. The energy ‑consuming transaction system could play a significant role in promoting the energy utilization efficiency of Henan and Sichuan, while the impact on Zhejiang and Fujian was not significant. In addition, this article also found that the energy‑consuming transaction system had environmental dividends, which could effectively reduce sulfur dioxide and carbon dioxide emissions while promoting energy efficiency. After parallel trend test, structural breakpoint test, PSM‑DID, placebo test, and other robustness tests, the conclusion of this article was still valid. This study has the following implications: In the process of building the energy‑consuming transaction market, it is necessary to promptly summarize the pilot experience, gradually expand the piloting scope, constantly improve the regulatory mechanism to reduce institutional transaction costs, promote efficient energy allocation and rational use, and at the same time, adhere to local conditions and set out to formulate and implement supporting measures for energy‑consuming transactions with local characteristics. [ABSTRACT FROM AUTHOR]

Silo-cave is a unique human habitation form on the Loess Plateau in northern China, which consists of an excavated 6–7 m deep pit as the courtyard and cave dwellings in the surrounding four walls. This architecture has had a history of more than 7000 years, and yet such "living fossils for the history of dwellings" are now facing great crises and challenges during rapid social and economic development. In this paper, remote sensing and GIS techniques are used to comprehensively and systematically investigate the spatial distributions and morphological characteristics of silo-caves at both the macro and micro scales. The research shows that silo-cave villages are mainly distributed in economically underdeveloped areas, such as West Henan (Yuxi), South Shanxi (Jinnan), Central Shaanxi (Guanzhong), and East Gansu (Longdong). The morphological evolution patterns of typical silo-cave villages are identified, including: (1) retaining the periphery and rebuilding the inner parts of the villages, (2) retaining the inner parts and expanding the periphery of the villages, and (3) rebuilding the inner parts and expanding the periphery of the villages. These patterns are demonstrated to be influenced by many factors, including landforms, traffic conditions, economic development, population growth, and administrative division adjustment. Sustainable development of these traditional silo-cave villages relies on administrative policy and planning, people's awareness of cultural heritage protection, culture inheritance, industrial transformation, and public services. [ABSTRACT FROM AUTHOR]

This paper evaluates the ecotourism suitability of Henan province based on the ecotourism suitability evaluation system. And our research clarifies the spatial distribution of the ecotourism suitability in Henan province, China, explores the internal relations between landscape pattern and ecotourism suitability, and provides a scientific basis for the future sustainable development of ecotourism in Henan from an ecological perspective. The results show the following: 1) the ecotourism suitability is obvious differences between the eastern and western regions in Henan, with the indexes of ecotourism suitability in the western and southern regions being higher than those in other regions. The ecotourism suitability shows a trend of first increasing and then decreasing in Henan, with the highest value in 2007; 2) the Pearson correlation analysis shows that the key landscape pattern factors, including landscape patch area, shape, number, type, and spatial configuration, have an important impact on ecotourism suitability and show significant time differences. [ABSTRACT FROM AUTHOR]

Taking Changyuan City of Henan Province, a pilot city of collective commercial construction land reform, as the research object, this paper analyzes the scientific connotation of "same land, same right, same price" of collective commercial construction land and state-owned land in the unified urban-rural construction land market system, and how to realize "same land, same right, same price". The results show that in order to realize the fair entry of collective construction land into the market, it must base on scientific use control, unify the urban and rural construction land market and adhere to the guidance of market mechanism, and finally realize the sustainable development of the land market. [ABSTRACT FROM AUTHOR]

The North China Plain is the main producing area of winter wheat in China. Due to the relatively poor condition of water resources, the competition of water between industry and agriculture is fierce. The increasing shortage of water resources has led to serious overexploitation of groundwater in some areas. Agricultural development is faced with severe challenges. In order to ensure regional food security and sustainable winter wheat planting, 52 cities of North China Plain (NCP), in the following of the paper, use the shorted name NCP，were taken as research units to analyze the matching characteristics of agricultural water and land resources, so as to reveal the direction of irrigated agriculture development and winter wheat suitable planting layout considering their balance in future. The paper firstly analyzed the cultivated area determined by water resource and irrigation development by agricultural available water, and then pointed out the direction of water-suited planting layout of winter wheat. The results showed that: 1) the Gini coefficient showed an increasing trend, which indicated that the area of cultivated land and irrigation area supported by water resources have nearly reached the upper limit. The large-scale extension of both cultivated and irrigation area is impossible under the restriction of water. 2) The amount of agricultural available water resources per unit of effective irrigation area and the effective precipitation increased gradually from north to south in the NCP, but the spatial distribution of water requirement of winter wheat in its growth period changed in the opposite way. This indicated the poor spatiotemporal match between winter wheat planting and water resources, leading to the cost of spending more water to maintain wheat production. 3), The further development of irrigation and the water-suited planting of winter wheat should pay attention to the southern part of the plain with rich water (such as southern Henan Province, Jiangsu Province, Anhui Province, etc.) to ensure the regional agricultural development. That is of great significance to the regional sustainable development, water shortage alleviation and national grain safety. ● Restraining the irrigation area and winter wheat in NCP. ● Moderately development irrigation area in south of the NCP. ● Water-suited planting layout of Winter wheat. [ABSTRACT FROM AUTHOR]

At present, the air quality of most cities in Henan Province is seriously polluted. This will do great harm to people's health and the sustainable development of society. In order to solve this situation and improve the air quality of Henan Province, it is necessary to make effective forecast for the future air quality. After comprehensive consideration of various prediction models, combined with the characteristics of air quality, this paper selects the grey model as the research tool. In order to improve the prediction accuracy of the model, a compound accumulative grey model is proposed in this paper. It has been proved that the accuracy of this model is higher than that of other models. The study found that the concentration of SO 2 and NO 2 in 18 cities in Henan province will continue to decline, reaching the first-level standard. PM 2.5 and PM 10 concentrations in all cities still exceeded the standard, with some cities exceeding the standard seriously. In the future, the focus of air control in Henan Province should be on PM 2.5 and PM 10. The forecast results can provide reference for related departments. [ABSTRACT FROM AUTHOR]