Zhang Jianguo,Cao Xuefeng,Li Jingjing.Analysis and evaluation of the ecological improvement of Taitema Lake by ecological water transport[J].Research of Soil and Water Conservation,2025,32(02):316-320,330.[doi:10.13869/j.cnki.rswc.2025.02.031]
生态输水对台特玛湖生态改善情况分析评价
- Title:
- Analysis and evaluation of the ecological improvement of Taitema Lake by ecological water transport
- 文章编号:
- 1005-3409(2025)02-0316-05
- Keywords:
- Tarim River; Taitema Lake; soil and water Loss; dynamic change; ecological water transport
- 分类号:
- S157.1
- 文献标志码:
- A
- 摘要:
- [目的]评价台特玛湖生态输水后受影响区域的生态环境改善状况,为区域植被建设、遏制水土流失、修复湖泊生态等提供支撑。[方法]基于全国水土流失动态监测成果,对比分析台特玛湖生态输水前(1998年)和现状年(2022年)流域土地利用变化及对应的水土流失变化情况。[结果]与生态输水前相比,台特玛湖受水影响区沙地面积减少454.79 km2,减幅70.79%; 植被面积增加了304.30 km2,增幅100.24%。植被覆盖度由生态输水前的14.83%增加到22.26%; 台特玛湖生态输水影响区域水土流失面积减少437.51 km2,为254.60 km2,占土地总面积的25.18%,均为轻度侵蚀。水土流失面积减少437.51 km2。[结论]生态输水后,台特玛湖生态环境明显好转,区域的土地利用由以沙地为主的单一结构向多样结构转变,植被覆盖度明显提升。
- Abstract:
- [Objective]The aims of this study are to evaluate the ecological environment improvement status of the affected area after the ecological water transfer of Lake Taitema, and to provide support for regional vegetation construction, soil erosion control, and lake ecological restoration. [Methods]Based on the dynamic monitoring results of soil erosion nationwide, a comparative analysis was conducted on the changes in land use and corresponding soil erosion in the Taitema Lake Basin before(1998)and in the current year(2022)of ecological water transfer. [Results]Compared with before ecological water transfer, the sandy area in the water affected area of Lake Taitema decreased by 454.79 km2, with a decrease rate of 70.79%. The vegetation area increased by 304.30 km2, with a growth rate of 100.24%. The vegetation coverage increased from 14.83% before ecological water supply to 22.26%. The area affected by ecological water transportation in Lake Taitema had decreased by 437.51 km2 to 254.60 km2, accounting for 25.18% of the total land area, all of which were mild erosion. The area of soil erosion had decreased by 437.51 km2. [Conclusion]After ecological water transfer, the ecological environment of Lake Taitema had significantly improved, and the regional land use had shifted from a single structure dominated by sandy land to a diverse structure, with a significant increase in vegetation coverage.
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备注/Memo
收稿日期:2024-05-23 修回日期:2024-06-06 接受日期:2024-06-26
资助项目:黄委优秀青年人才科技项目“黄土丘陵沟壑区土壤侵蚀模型参数本地化研究”(HQK-202303); 水利部财政预算项目“全国水土流失动态监测项目”(12620134000918001)
第一作者:张建国(1986—),男,山东肥城人,博士,主要从事水土保持监测及生态恢复研究。E-mail:zhangjidezs@163.com
通信作者:李晶晶(1987—),女,山西垣曲人,高级工程师,博士,主要从事水土保持监测、区域水土保持规划研究。E-mail:lijingjing0525@126.com