Ecological Ezperiment of Vegetation Restoration on the Water-level-fluctuating Zone in Geheyan
Large-scale water conservancy and hydropower projects often result in the degradation and disappearance of vegetation on the water-level-fluctuation zone around the reservoir area forming a bare yellow zone. The ecological restoration of the degraded vegetation will promote the protection of environment, the sustainable utilization of hydropower projects and the harmonious development of local society. An ecological restoration experiment of the degraded vegetation was carried out on the water-level-fluctuating zone in Geheyan hydropower reservoir area. Three soil restoration technologies including bird-nest-hole plantation, ecological slope-protection with preventing erosion components and ecological slope-protection with preventing erosion basis material (PEB technology)were applied for the restoration of rock slope, gravel bank slope and soil slope respectively when flood receded. Six riparian plant species were introduced to the restored sites at the same time. All of them established successfully after two months management. However, three species of theM survived after one flooding season. The rest three species did not regrow due to their growing season did not match the time the experimental sites appeared out of the water surface. Seven indigenous annual species spread from surrounding vegetation settled on the experimental sites. The vegetation coverage on the restoration sites reached 65%.
Geheyan Reservoir water - level - fluctuating zone vegetation ecological restoration pioneer species
Reservoir Qingjiang River
Chen Fangqing, Wu Jiangtao, Xu Wennian and Liu Defu Research Center of Ecology and Environmental Science, China Three Gorges University, Yichang, 443002, China
国际会议
郑州
英文
537-542
2009-10-20（万方平台首次上网日期，不代表论文的发表时间）