Green embankments help conserve Yellow River

    Constructions control sediment, allow natural environment to thrive

    By Hou Liqiang in Aba, Sichuan | China Daily | Updated: 2024-09-18 08:54
    Share
    Share - WeChat
    Black-necked cranes forage for food at a wetland area in Hongyuan county, Sichuan, in April 2022. HE HAIYANG/FOR CHINA DAILY

    Originating in Qinghai province, the Yellow River, often dubbed as the cradle of the Chinese civilization, runs through nine provinces and autonomous regions, including Sichuan and Henan, before emptying into the Bohai Sea in East China's Shandong province.

    All sections of the Yellow River in Sichuan, which stretch for 174 km, are located in the Aba Tibetan and Qiang autonomous prefecture. In the prefecture, it passes through four counties — Aba, Songpan, Hongyuan and Zoige.

    With its wetlands storing almost 10 billion cubic meters of water, the prefecture serves as a key supplier of water for the Yellow River in its upper reaches, contributing up to 40 percent of its water in low-flow periods and 26 percent during high-flow periods.

    In Hongyuan, local authorities have been following a similar eco-friendly approach to treat the Nagpo Tsecbu River, another meandering watercourse.

    When standing on a bridge in Anqu township in the county, visitors are immersed in a profound contrast between traditional embankment construction methods and the innovative eco-friendly approach.

    One side of the river showcases a discordant blend of concrete-reinforced embankments, built years ago to address flood risks to a nearby community, against the natural backdrop, while the opposite bank unveils a distinctly contrasting scenery that is harmonious with its surrounding environment.

    "It is built with wire mesh containers," said Jiang Jian, head of Hongyuan's bureau of ecology and environment. "These gabions combine flood protection necessities with a strong emphasis on ecological restoration, harmonizing effectively with the surrounding ecosystem."

    The 9.6-km embankment was completed in October last year, and a series of other ecological remediation programs have also been rolled out along with it, including the restoration of more than 8 square km of grassland, according to Jiang.

    Previously, the riverbank was often subjected to erosion, depleting the grasslands, he said. The embankments constructed with gabions, which have good water permeability, have not only addressed the problems but also prevented livestock waste from entering the river.

    Sediment in the water can settle within the gaps of the filled stones, promoting the growth of natural vegetation and gradually restoring the original ecological environment, Jiang added.

    "This area used to be a degraded grassland, severely affected by desertification, with vegetation coverage as low as 10 to 20 percent. After restoration, it now resembles the surrounding grasslands," he said.

    |<< Previous 1 2 3 4 5 Next   >>|
    Top
    BACK TO THE TOP
    English
    Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
    License for publishing multimedia online 0108263

    Registration Number: 130349
    FOLLOW US
    亚洲av无码成人精品区在线播放| 亚洲日本中文字幕天天更新| 一级中文字幕免费乱码专区| 亚洲AV无码成人精品区大在线| 无码少妇一区二区| 中文字幕国产视频| 亚洲AV中文无码字幕色三| 50岁人妻丰满熟妇αv无码区| 中文字幕无码AV波多野吉衣| 波多野结衣在线aⅴ中文字幕不卡| av无码免费一区二区三区| 永久免费av无码网站yy| 久久精品99无色码中文字幕| 免费无码专区毛片高潮喷水| 办公室丝袜激情无码播放| 西西午夜无码大胆啪啪国模| 中文字幕人成乱码在线观看| 亚洲第一中文字幕| 波多野结衣中文在线| 人妻无码αv中文字幕久久琪琪布| 4444亚洲人成无码网在线观看| 亚洲av无码乱码国产精品| 中文字幕av无码专区第一页| 日韩免费码中文在线观看| (愛妃視頻)国产无码中文字幕| 人妻丰满av无码中文字幕| 亚洲AV无码资源在线观看| 手机在线观看?v无码片| 精品久久久无码中文字幕天天| 91久久精品无码一区二区毛片| 狠狠精品久久久无码中文字幕| 午夜无码A级毛片免费视频| 亚洲中文字幕无码一区| 亚洲国产精品无码专区影院| 久久无码AV一区二区三区| 精品日韩亚洲AV无码一区二区三区| 最近免费字幕中文大全| 中文字幕在线观看亚洲日韩| 中文字幕天天躁日日躁狠狠躁免费| 公和熄小婷乱中文字幕| 免费看又黄又无码的网站|