Xinjiang: Plantation forests need “live water†irrigation
In a recent breakthrough, researchers from the China Garden Network have conducted extensive studies on the protection and technological approaches for non-irrigated plantation systems in the desert section of the North Xinjiang Water Diversion Project. Their work focuses on addressing the degradation of key species such as *Haloxylon ammodendron* and *Calligonum mongolicum*, aiming to restore and maintain these desert plantations effectively. The research team has introduced new rejuvenation techniques and water replenishment strategies specifically for critical areas of the project, while also developing comprehensive maintenance management practices for non-irrigated plantations.
Two major projects—“Development and Demonstration of Sustainable Maintenance Technology for Non-Irrigated Plantation in the Desert Section of the Xinjiang Water Diversion Project†and “Key Technology Development and Demonstration of Desert Vegetation Restoration in the Foreland of the Northern Slope of Kunlun Mountainâ€â€”have successfully passed the evaluation by the Science and Technology Department of the Xinjiang Uygur Autonomous Region. These projects were led by the Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, as part of a regional scientific and technological support plan.
According to an official from the Science and Technology Department, the research team analyzed the changes in suspended sediment and the status of sandy forests over a 5–10 year period after planting. They also studied the growth trends of the plantations to better understand long-term sustainability. In response to the decline of native vegetation, the team developed a technical model for the renewal and rejuvenation of desert non-irrigated plantation systems, along with innovative water replenishment methods for key project zones. This has significantly expanded the existing framework for non-irrigated vegetation restoration.
Additionally, the researchers created a set of maintenance techniques tailored for non-irrigated plantations and established 450 acres of demonstration areas for different types of vegetation renewal and hydration experiments. In these areas, the number of understory herb species increased by 20% to 50%, showing promising results for biodiversity recovery.
In the second project focused on the northern slope of the Kunlun Mountains, the team proposed natural enclosure restoration and artificial grassland establishment models adapted to varying altitudes in the mountain front area. These efforts helped improve the recovery model for degraded desert grasslands.
Currently, there are 8 test demonstration zones covering 610 mu (approximately 61 acres) dedicated to desert vegetation restoration. In these areas, vegetation coverage has doubled or even tripled, biological diversity has increased two to three times, and wind and sand fixation benefits have improved by 30% to 40%. The technology has already been applied across 5,000 acres, demonstrating its practical value and scalability.
This ongoing research highlights the importance of sustainable ecological management in arid regions and offers a replicable model for other similar environments facing desertification challenges.
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