LIANG Shu-juan,FAN Hua,WANG Li-jun,et al.Observational Study on the Suitability of the Ecological Riverbank Mode for Yongding River[J].Research of Soil and Water Conservation,2012,19(04):153-158.
永定河生态护岸模式的适宜性观测研究
- Title:
- Observational Study on the Suitability of the Ecological Riverbank Mode for Yongding River
- 分类号:
- TV861
- 摘要:
- 生态护岸是河道治理的新方法、新趋势，已成为城市河流修复的关键环节。为解决北京市段永定河生态系统退化的问题，以“莲石湖—门城湖”河段护岸和上辛庄生态护坡为示范，采取数据定量和调查定性的分析方法，研究了永定河不同河段适宜应用的生态护岸模式。结果表明：（1）生态护坡与生态护岸的关联度主要是河岸坡的坡度特点、防护措施和抗土壤侵蚀度。生长迅速、成活率高、绿期长的乡土树种和多年生草本植物最适合护岸；（2）生态护岸指标有河流弯曲度、河岸高程、河岸坡度、抗水流冲刷度、岸坡抗土壤侵蚀度等，护岸模式要兼顾河流的防洪、生态、景观、亲水功能；（3）工程+植物复合护岸比单纯的工程或植物护岸效果好。8种互补的护岸和6种护坡模式适宜推广，H8松木桩拦挡扦插柳复合护岸和K4土工格栅+客土种植灌草护坡的最好，适合优先推广。该结果为永定河不同河段的岸坡治理提供参考价值，为永定河绿色生态廊道的建设提供理论依据。
- Abstract:
- The ecological riverbank regarded as the key link for urban river restoration has become the new method and trend for river regulation. Aiming at resolving the ecological deterioration of Yongding River in Beijing, this paper took the bank revetment which was built from Lianshi Lake to Mencheng Lake and ecological slope protection of Shangxinzhuang Village as an example, the suitable application ecological revetment models for different kinds of area along the Yongding River was studied by using the analytical method of quantitative data and descriptive analysis. The results showed that: (1) main slope characteristics, protective measures and resistance to soil erodibility were the correlation degree between ecological slope protection and ecological revetment. The long-green period native tree species and perennial herb with the character as rapid growth and high survival rate were the best suitable for revetment; (2) the ecological revetment index included river bending, riparian elevation, riparian slope, resistance to flow erosion and soil erodibility etc., and revetment models should give consideration to river’s flood, ecology, landscape and hydrophilic function; (3) the composite revetment combining engineering and plant was better than pure engineering or plant revetment. The eight kinds of complementary revetment and six kinds of slope protection were suitable for generalization, the composite revetment of H8 pine pile and cutting willow and the slope protection of K4 geotechnical grille and foreign soil planting shrub-grass have perfect protective performance, which were suitable for priory popularity. The results of this research will provide references for the management of different kinds of area along Yongding River and theoretical basis for greenway establishment of Yongding River.
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备注/Memo
收稿日期:2012-2-24;修回日期:2012-5-9
基金项目:永定河生态构建与修复关键技术研究及示范项目（D090409004009003）
作者简介:梁淑娟（1985- ），女，陕西延安人，硕士研究生，研究方向：水土保持。E-mail：liangshujuan0727@126.com。
通讯作者:杨建英（1965- ），女，河北人，博士，副教授，主要从事水土保持、工程绿化、生态环境建设等研究。E-mail：jyyang@bjfu.edu.cn。