Issue 4
The Optimal Porosity of Shelterbelts in an Oasis–Desert Ecotone in the Junggar Basin, Xinjiang, China
CLEANWAS
Wind erosion is mainly a phenomenon of arid and semiarid areas, and the porosity of shelterbelts is an important quantitative index for estimating windbreak structure. However, there appears to be considerable variation in the optimal degree of porosity. With the example of an oasis–desert ecotone...
Hyper Spectral Image Characteristics of Aronia Melanocarpa Leaves under Saline Alkali Stress
CLEANWAS
Objective: To obtain the characteristics analysis results of aronia melanocarpa leaves under saline alkali stress state and improve yield and quality of aronia melanocarpa. Methods: Using hyper spectral imaging system to obtain hyper spectral images of aronia melanocarpa leaves under saline alkali...
Carbon Storage Allocation Characteristics of Platycladus Orientalis Plantation Ecosystem with Different Densities
CLEANWAS
Purpose: To research the influence of different densities of Platycladus orientalis plantation on the allocation characteristics of carbon storage in the ecosystem, the density regulation experiment on the Pinus massoniana plantation with different densities was carried out to discuss the change of...
Consumers’ Eco-product Purchase Decision-Making Behavior from the Perspective of Ecological Awareness
CLEANWAS
In this study, an ecological awareness rating scale and an eco-product purchase decision-making rating scale were developed based on literature and interviews with experts. The ecological awareness variables were subdivided into three aspects: ecological knowledge, ecological emotion, and ecological...
Waste Separation Intention of China’s Urban Residents and its Influencing Factors
CLEANWAS
Urban household waste causes serious pollution of the urban ecological environment. Waste separation and processing is an effective approach to reduce the ecological environment damage caused by household waste. From the perspective of the source of urban household waste separation, this paper...
Real-Time Detection Method for Heavy Metal Pollution in Soil of Mining Area
CLEANWAS
Solid wastes and acid wastewater lead to the enrichment of heavy metals in the soil of mining area. Heavy metal pollution causes the decline of soil quality, ecosystem degradation, crop yield reduction, and even threatens human health. For this reason, the real-time detection method for heavy metal...
Energy Demand and Carbon Emission Peak Forecasting of Beijing Based on Leap Energy Simulation Method
CLEANWAS
The long-term forecasting of the energy demand is an important issue of an area’s sustainable development, especially for mega cities such as Beijing. Beijing is changing its energy supply strategy to depend on energy imports from other provinces due to the city’s long-term low carbon sustainable...
Optimal Allocation Model of Plant Community in Slope Ecological Restoration
CLEANWAS
In order to effectively analyze the optimal allocation mode of plant community in the process of slope ecological restoration, 15 plants were selected and 10 plant community combinations were designed. The experiment lasted for 90 days, and the optimal allocation model of plant community was...
Dynamic Monitoring Method of Forest Coverage Based on GIS Technology
CLEANWAS
When studying the dynamic monitoring method of forest coverage based on GIS technology, a dynamic monitoring system of forest coverage based on GIS technology was constructed, and forest coverage was dynamically monitored by means of the system. The system constructs attribute database and spatial...
Ecological Remote Sensing Image Monitoring Method for Vegetation Destruction in Waterfront Greenway Based on Genetic Algorithm
CLEANWAS
Because the traditional remote sensing image monitoring method has the problem of poor ability of capturing vegetation destruction, an ecological remote sensing image method for vegetation destruction in waterfront greenway based on genetic algorithm is proposed. The vegetation index data of...
Innate Immune System Response Against Environmental Temperature Changes as A Dangerous Abiotic Factor
CLEANWAS
Innate immune system is the first line response against environmental changes in invertebrate. It protects the animal from environmental changes such as temperature change, PH and salinity as well as pathogens such as bacteria and viruses through different biochemical pathways. In fact, the innate...
NICHE EVALUATION AND EVOLUTION PATH SELECTION OF FORESTRY ENTERPRISES IN NORTHEAST STATE-OWNED FOREST REGION
CLEANWAS
On the Basis of Relevant Theory and Literature Research, analyze the development of forestry enterprises in northeast China, and establish the evaluation index system of the ecological situation of forestry enterprises in northeast China. Based on the composite weights of objective and subjective...
ENVIRONMENTAL POLICY OF RENEWABLE ENERGY INDUSTRY UNDER OPEN CONDITIONS
CLEANWAS
Renewable energy has two environmental externalities: one is the positive externality as an alternative to fossil energy consumption; the other is the negative externality with its production process consuming fossil energy. If the domestic renewable energy products export to foreign country with...
Direct effect and spatial spillover effect of rural human capital on agricultural non-point source pollution
CLEANWAS
With the increasingly prominent problem of agricultural non-point source pollution, the process of Rural Revitalization Strategy has been seriously affected. Studying the relationship between rural human capital and agricultural non-point source pollution is helpful to form talent bonus, improve...
Determination and analysis of harmful substances in historical building’s fire-retardant coating by gas chromatography
CLEANWAS
With the emphasis on environment and health, the environmental protection, quality and safety of historical building’s fire-retardant coating has gradually become the focus of attention. There are a lot of volatile substances in the fire-retardant coating, which volatilize continuously for a long...
Dynamic relationship between urban carbon dioxide emissions and economic growth
CLEANWAS
Urban economic development cannot be separated from energy consumption, and energy consumption directly leads to a large number of carbon emissions. It is of great significance to study the relationship between carbon dioxide emissions and economic growth for the implementation of energy...
Insulation effect evaluation model of green building materials under ecological environment
CLEANWAS
Green building materials are an important material basis for promoting the development of green buildings, and also the foundation of building energy conservation. In view of this, an insulation effect evaluation model of green building materials is constructed. The outer wall temperature index, the...
Effects of Ferric Salt of Different Forms on Phosphorus Removal
CLEANWAS
This paper has studied phosphorus removal effects of ferric chloride (ionic state), polyferric chloride (polymer state) and ferric hydroxide (gel state) on the effluent of a municipal sewage treatment plant. The total phosphorus (TP) in the effluent was 1.74 mg·L-1. Results showed that ferric...
Tea Disease Spot Recognition Based on Image Feature Points Extraction and Matching
CLEANWAS
Objective: adaptation of tea disease spot recognition method based on image feature points extraction and matching, can achieve fast and accurate recognition of tea disease spot, and provide reference for remote sensing disease monitoring with plant protection UAV at low altitude. Methods...
MICP-Reinforced Soil Under Three-Dimensional Grout Injection Condition
CLEANWAS
The use of microbial-induced carbonate precipitation (MICP) in soil reinforcement has attracted attention in the academic field in recent years. However, most of the existing studies have been conducted based on one-dimensional ( ) grout injection condition. The present study conducted in vitro and...
Application of Time Series Analysis in Soil Moisture of Fixed Dune on Korqin Sandy Land, Northern China
CLEANWAS
Time series analysis is a very effective method to analyze the dynamic characteristics of soil moisture at long-term scale. In this study, we have used the time series to analyze the relationship between precipitation and soil moisture on fixed dune at different soil depths (from 0 to 120 cm) during...
Changes of Land Use/Cover and Landscape in Zhalong Wetland as “Red-Crowned Cranes Country”, Heilongjiang Province, China
CLEANWAS
Hydrological and ecological role of wetlands were growing significant. Based on Landsat satellite remote sensing data collected in the years of 1990, 2000 and 2014, and integrating GIS with analytical methods of landscape ecology, research on changes of land use/cover and landscape pattern of...
Green GDP Measurement of Shenyang City Based on Energy Value Analysis
CLEANWAS
The resource environment loss has been evaluated using energy value and monetary value adopting complex ecological system analysis framework, Odum’s eco-econo mic system energy theory, and energy value analysis. The total amount of green ecological economy of Shenyang city from 2007 to 2016 was...
Monitoring and Control System for Logistics Protection and Transportation of Urban Solid Waste based on Big Data
CLEANWAS
Aiming at the problems existing in the traditional monitoring system for logistics protection and transportation of solid waste, the optimization design of logistics protection and transportation monitoring system is realized by using big data analysis technology from two aspects of hardware and...
Service Value of Wetland Ecosystem in Sanmenxia Reservoir Area
CLEANWAS
The evaluation of wetland ecosystem service lays the foundation to the wetland protection and exploitation. Evaluating the ecological service of all types of wetlands scientifically and reasonably is critical to improving the quality of ecological environment and securing the regional ecological...