Research on Restoration of Heavy Metal Contaminated Farmland Based on Restoration Ecological Compensation Mechanism

Abstract

In recent years, the development of industrialization has led to heavy metal pollution in many agricultural areas in China. The excessive heavy metals in farmland not only affect the normal growth of crops, but also do great harm to human health, which seriously restricts the development of ecology and food health in China. In order to improve the problem of heavy metal pollution in rural areas, the current situation of heavy metal pollution in rural areas is analyzed based on the innovative ecological compensation mechanism for remediation, and the external theory, public goods theory and other relevant theories are combined to obtain the ecological compensation strategy for heavy metal farmland soil remediation, and on this basis, the basic framework of ecological compensation for metal farmland remediation is constructed. Finally, effective environmental treatment suggestions are put forward according to the development requirements of ecological compensation in heavy metal farmland areas. The case study shows that different ecological restoration schemes have been adopted for a heavy metal farmland pollution area, and the environment has been improved according to the ecological compensation scheme. The total amount of ecological compensation for heavy metal farmland is CNY 32.35 million, of which the cost of seriously polluted farmland is the highest among the environmental values, with the cost of restoration per acre of CNY 65,000, indicating that the heavy metal areas are more expensive and have more obvious impact on the environment. The research content has important reference significance for the ecological environment treatment of heavy metal farmland pollution areas in China.

Evolutionary Mechanism of Government Green Development Behavior in Construction and Demolition Waste Recycling Projects: A Perspective of Ecological Compensation

“…Through ecological compensation, the environmental costs and ecological benefits generated by environmental treatment can be integrated into the traditional economic cost-benefit anal-ysis [21]. With the deepening of ecological compensation research, it continues to play an important role in biodiversity conservation [47], ecological restoration [48], and the coordination of regional environmental protection [49]. In addition, as an important tool for governments to coordinate cross-regional environmental governance [35], ecological compensation can effectively promote the regionalized cooperation of the government in environmental pollution management [31], thus forming a long-term mechanism of environmental governance with shared benefits and cooperation.…”

Bacterial–fungal interactions and response to heavy metal contamination of soil in agricultural areas

“…Anthropogenic activities are important causes of heavy metal contamination in soil, such as mineral exploitation, agricultural activities, industrial activities, and transportation (Zhang et al, 2023). It has been reported that industrialization has led to heavy metal contamination in many of China's agricultural soils, and the excessive levels of heavy metals in agricultural land have seriously hampered the development of food security in China (Cai and Yang, 2023). In addition, compared to single-heavy metal contamination, multiple heavy metal contamination is more complex and poses a threat not only to human health but also to ecological functions (Qi et al, 2022).…”

Evaluation of Ecological Function Restoration Effect for Degraded Natural Forests in Xiaoxinganling, China

“…Forests contribute to global sustainable development [1,2], and questions on how to sustainably manage forests, restore degraded forest ecosystems, and increase forest area coverage globally are among the current major issues pursued by the international community [3][4][5]. Accurate evaluation of degraded forest ecosystems is the first step to solving these problems, and it is also the prerequisite and foundation for forest ecosystem restoration [6,7].…”