荒漠化治理

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国际防治沙尘暴日:共同守护蓝天 十余年我国累计治理沙化土地3.65亿亩(视频)
Zhong Guo Jing Ji Wang· 2025-07-14 07:49
Group 1 - The core theme of the article is the global concern regarding sandstorms, emphasizing the need for collective efforts to combat sandstorm disasters and protect the environment [1][2] - Sandstorms are caused by climate change, drought, and land degradation, affecting approximately 330 million people worldwide and releasing about 2 billion tons of dust into the atmosphere annually [1] - The economic impact of sandstorms includes billions of dollars in losses due to damage to infrastructure, increased healthcare costs, and disruption of social activities [1] Group 2 - China's "Three-North" project has received international recognition, including the "Global 500" award from the United Nations Environment Programme, highlighting its significant achievements in combating desertification [2] - Since the 18th National Congress of the Communist Party, China has rehabilitated 36.5 million acres of desertified land and established a protected area of 2.794 million acres, showing a positive trend in ecological improvement [2] - The long-term commitment to combating desertification is emphasized, with a focus on transforming barren lands into green areas, which requires collective efforts from all sectors of society [2]
内蒙古鄂尔多斯:库布其模式实现“绿进沙退”
Zhong Guo Zi Ran Zi Yuan Bao· 2025-06-27 06:15
Core Viewpoint - The Kubuqi model developed in Ordos City, Inner Mongolia, provides a "Chinese solution" for global desertification control through a combination of government policy, enterprise investment, market participation, continuous technological innovation, and open sharing of results [1][2]. Group 1: Desertification Control Achievements - The Kubuqi Desert, covering an area of 2.116 million acres, has seen significant ecological improvement, with over 9 million acres treated, transforming from a state where 61% of the area was shifting sand dunes and vegetation coverage was below 3% to a more sustainable environment [1]. - Since the launch of the "Three North" project, 40% of the desert area has been converted into oasis through various measures including the construction of a 420 km shelterbelt and a 240 km sand path barrier [2]. Group 2: Strategic Implementation - The implementation of the "Three North" project includes a systematic approach to desertification control, with specific strategies for different areas of the Kubuqi Desert, such as creating a locking forest belt in the north and a sand protection area in the west [2]. - The integration of renewable energy projects, particularly solar power, has been a key component, with approximately 3 million acres of desert being utilized for photovoltaic projects, contributing to both ecological restoration and economic development [2]. Group 3: Knowledge Transfer and Global Impact - The desertification control techniques developed in Kubuqi have been successfully replicated in regions such as Xinjiang, Tibet, Qinghai, and Gansu, and are being promoted in countries along the Belt and Road Initiative, including Saudi Arabia and Mongolia [3].
从飞播造林、草方格固沙到光伏矩阵锁沙、产业治沙阿拉善盟积极探索荒漠化治理多元模式
Nei Meng Gu Ri Bao· 2025-06-23 03:20
Core Viewpoint - The articles highlight the significant progress made in desertification control and ecological restoration in Alxa League, particularly in the Tengger Desert area, through various innovative methods and projects aimed at combining ecological protection with energy development [1][2][3][4]. Group 1: Desertification Control Efforts - Alxa League has completed desertification control over an area exceeding 12 million acres, with over 3.3 million acres of drought-resistant plants like Haloxylon and Caragana being planted [1]. - The "Three-North" project has been crucial in combating desertification, with local authorities implementing a combination of natural and artificial methods to create a protective green belt spanning 460 kilometers [2]. - In 2024, Alxa League aims to complete 4.7 million acres of desertification control tasks, focusing on collaborative prevention and treatment in border areas [2]. Group 2: Integration of Renewable Energy - The integration of clean energy projects with desertification control is being actively pursued, with a focus on photovoltaic technology to halt the advance of deserts while promoting energy development [3][4]. - The Inner Mongolia Huadian Tengger Clean Energy Base has installed 3.71 million photovoltaic panels, generating an annual average of 1.715 billion kWh, sufficient to meet the electricity needs of approximately 603,700 households [4]. - By 2024, Alxa League has achieved comprehensive management of over 96 million acres of desertified land, increasing forest coverage from 2.96% to 8.42% and grassland vegetation coverage from under 15% to 23.18% [4].
绿锁沙喉:青藏高原荒漠化治理助力三江源保护
Xin Hua She· 2025-06-18 01:01
Core Viewpoint - The article highlights the efforts and progress in combating desertification in the Qinghai province, particularly in the Sanjiangyuan region, which is crucial for ecological security and sustainable development in China [1][2]. Group 1: Desertification and Ecological Impact - Desertification significantly affects global ecological security, poverty alleviation, social stability, and sustainable development [1]. - In the 1990s, the area of desertified land in Guinan County reached 3.42 million mu, with desert areas accounting for 1.42 million mu, or 14.2% of the total area [1]. - The desert expanded at a rate of 5 to 15 meters per year, leading to severe environmental challenges [1]. Group 2: Restoration Efforts and Achievements - Guinan County has improved its forest coverage from 2.6% before 1996 to 19.24% currently, with 1.95 million mu of desertified land effectively treated [2]. - The "Three-North" project has faced challenges due to the complex nature of desertification in Qinghai, where 1.85 million mu of land is desertified, accounting for 17.2% of the total land area [2]. - The local government has implemented a funding strategy to alleviate financial pressure on grassroots levels, with 170 million yuan allocated for 2024 and 240 million yuan for 2025 [2]. Group 3: Innovative Approaches and Technology - The Sand Zhu Yu Township has reduced its desertified land from 90% to 12.3% through a combination of engineering, biological, and technological methods [3]. - The establishment of the world's largest centralized photovoltaic power generation park in the region has created an ecological model that reduces wind speed by 50% and soil moisture evaporation by 30% [3]. - The integration of photovoltaic technology with ecological restoration has transformed previously barren land into productive areas for livestock farming [3]. Group 4: Vision for Future Development - The Qinghai Provincial Forestry and Grassland Bureau emphasizes the ongoing commitment to ecological restoration and sustainable development, aiming to extend the "green wall" across the plateau [4].
中国科学治沙,从这座东北小城出发
Xin Hua She· 2025-06-17 11:31
Core Viewpoint - The article highlights the successful efforts in combating desertification in Liaoning Province, particularly through the introduction and cultivation of the Chinese fir (樟子松) in the region, showcasing a significant transformation from sand encroachment to afforestation and environmental restoration [1][6][9]. Group 1: Historical Context and Development - In the 1950s, the establishment of the Liaoning Provincial Forestry Research Station marked the beginning of organized efforts to combat desertification in the region [1][6]. - The introduction of Chinese fir by Liu Bin in the 1980s was pivotal, as it demonstrated the potential for afforestation in arid and sandy areas, despite initial challenges [3][6]. - By 1978, the afforestation technology using Chinese fir received national recognition, leading to its widespread adoption in the "Three North" regions of China, with over 10 million acres now covered [3][6]. Group 2: Contributions of Individuals - The dedication of individuals like Li Dongkui, who has spent over 30 years protecting and nurturing the Chinese fir forests, exemplifies the grassroots efforts that have contributed to the success of these initiatives [3][5][6]. - Li's commitment in harsh conditions underscores the human element in environmental restoration efforts [3][6]. Group 3: Current Achievements and Future Prospects - The area of sand-affected land in Zhangwu County has significantly decreased from 96% in the 1950s to 36.56% today, with a dramatic reduction in sandstorm days from 43 to an average of 5 per year [6]. - The merger of research institutions in 2018 has enhanced the capacity for sand management and afforestation, with over 20 billion seedlings produced annually [6][8]. - The adaptability of Chinese fir and other species is being leveraged for international efforts, with seedlings being exported to Mongolia for desertification control [8][9].
大国院士丨追沙院士——专访中国科学院院士黄建平
Xin Hua She· 2025-06-17 08:52
Group 1 - The article highlights the significant contributions of Huang Jianping, an academician and atmospheric scientist, in researching sandstorms and climate change, emphasizing his dedication to national scientific needs [2][3][5] - Huang's team has developed various innovative monitoring systems and theories related to climate change and sandstorm formation over the past two decades [6][8] - The article discusses the recent extreme sandstorm events in China, attributing them to climate change and the limitations of local afforestation efforts in combating high-altitude dust transport [10][13] Group 2 - Huang Jianping explains that while China's afforestation efforts have reduced local sandstorms by 40%, they cannot fully prevent dust from high altitudes, which often originates from Mongolia [13][15] - The article notes that global warming is causing more frequent extreme weather events, impacting atmospheric circulation and leading to various climate anomalies [15][16] - The ecological restoration of the Loess Plateau is attributed to national reforestation projects and favorable atmospheric conditions, although future climate trends remain uncertain [18][19] Group 3 - Huang expresses pride in China's leadership in combating desertification, highlighting successful projects like the "locking" of the Taklamakan Desert [21][23] - The article clarifies that while desertification control has been effective, deserts will not transform into grasslands, maintaining their ecological characteristics over millennia [23][25] - The commitment of Huang's team and the younger generation to continue working in harsh environments reflects a deep-rooted passion for environmental stewardship [25][27]
甘肃省委书记胡昌升会见欧盟国家驻华使节团
news flash· 2025-06-17 01:23
Group 1 - The core viewpoint of the article is the willingness of Gansu's provincial leadership to deepen cooperation with EU countries in various fields [1] - Gansu aims to expand practical cooperation in cultural relic protection, renewable energy development, water resource management, and desertification control [1] - The meeting signifies a step towards enhancing friendly cooperation between Gansu and EU nations [1]
从戈壁荒山到天山花海 卫星视角“瞰”生态巨变
Yang Shi Wang· 2025-04-26 22:08
Core Viewpoint - The transformation of the Ili River Valley in the western Tianshan Mountains from a barren wasteland to a vibrant agricultural and tourism hub highlights the success of desertification control efforts and the potential for sustainable development in the region [14][20]. Group 1: Environmental Transformation - The area, previously a barren wasteland covering approximately 60,000 acres, has been transformed into fertile land with a vegetation coverage rate increasing from nearly zero to 72% over the past few years [14]. - Rainfall in the region has increased by 4 to 8 millimeters, contributing to the ecological improvement [14]. - Satellite images from 2016 show a stark contrast to the current lush landscape, with fields of lavender now dominating the scenery [10][12]. Group 2: Agricultural Development - In addition to the poppy fields, the area now includes thousands of acres of wheat, corn, rapeseed, lavender, and over 2 million fruit trees, including apricot trees, showcasing a diverse agricultural base [8][14]. - The region has developed a modern industrial park that integrates agriculture, industry, and cultural tourism, creating a comprehensive economic model [14]. Group 3: Tourism Growth - The area has become a popular tourist destination, attracting over 400,000 visitors last year, with expectations of daily visitor numbers exceeding 10,000 during the upcoming May Day holiday [18]. - Various accommodations and recreational activities, such as hiking and surfing, have emerged, enhancing the tourism experience [16][20].