Subjects: Geosciences >> Geography submitted time 2024-06-12 Cooperative journals: 《干旱区研究》
Abstract： The Yellow River Basin in Inner Mongolia is an important ecological region in China, and exploring changes in habitat quality and its driving factors is of great significance for regional desertification prevention and biodiversity conservation. Based on land use/cover data from 1990 to 2020, GIS technology and InVEST model were used to evaluate the habitat quality of the region, and the driving factors of spatial heterogeneity of habitat quality were analyzed through geographic detectors. The results indicate that: (1) The overall spatial distribution pattern of habitat quality in the study area is low in the north and high in the south, with a positive spatial correlation and significant spatial clustering. The area with low habitat quality level accounts for 23.50%, mainly distributed in the Kubuqi Desert and the southeastern part of the study area; (2) From 1990 to 2020, the habitat quality in the Yellow River Basin of Inner Mongolia showed a trend of first decreasing and then slightly rebounding. Over the past 30 years, the area of degraded habitat quality accounted for 11.97%, mainly concentrated in the northern part of the study area and near the banks of the Yellow River. It is a region of cultivated land expansion and sandy land distribution, with significant human activity interference. Future ecological governance and restoration work should focus on this area; (3) Natural factors such as DEM, NDVI, and soil type are the main driving factors for the spatial differentiation of habitat quality. Any two interactive detection factors have a greater explanatory power for the spatial differentiation of habitat quality than their single factor. The research results can provide reference and guidance for the ecological environment protection and restoration work in the Yellow River Basin of Inner Mongolia.
Subjects: Other Disciplines >> Synthetic discipline submitted time 2023-03-28 Cooperative journals: 《中国科学院院刊》
Abstract： After the elimination of absolute poverty by 2020 in China, consolidating the achievements of targeted poverty alleviation, reducing relative poverty, and promoting rural revitalization will become the key tasks of poverty alleviation and development in the future. This paper reviews the basic logic of the major policies of poverty alleviation and rural revitalization, analyzes the importance and necessity of consolidating the achievements of poverty alleviation in the new stage, and puts forward the main ideas and key contents of consolidating the achievements of poverty alleviation. It is suggested that we should continue to adhere to the idea of “precision” and establish the bottom line thinking of eliminating absolute poverty. We will consolidate the achievements we have made in poverty alleviation by promoting the institutionalization of poverty alleviation, ensuring the sustainable development of poverty alleviation industries, expanding channels for increasing the incomes of people lifted out of poverty, improving supporting facilities for the relocation of poor people from inhospitable areas, and raising the level of security for those in need. And expanding the achievements of poverty alleviation in line with the rural industry revitalization, living environment renovation, people’s livelihood security improvement and rural civilization construction, so as to create a new pattern of coordinated progresses in poverty alleviation and rural revitalization.
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