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Return of delicate aquatic plant signals Chinese lake's revival_我的网站

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    Workers harvest Ottelia acuminata at a planting base at Yong'an Village of Eryuan County in Dali Bai Autonomous Prefecture, southwest China's Yunnan Province, on Oct. 18, 2024.(Photo by Luo Xincai/Xinhua)Under the summer sun, Erhai Lake in southwest China's Yunnan Province glistens thanks to its clear blue water dotted with floating white blossoms. Tourists stroll and cycle around the spot, where limpid waters, lush mountains and blooming flowers combine in weaving a picturesque scene.
The delicate blossom seen floating there is Ottelia acuminata, an aquatic plant endemic to China, which is known to have extremely strict water quality requirements. It demands high water transparency, cleanliness and calcium content, and survives only in unpolluted waters, serving as a reliable natural indicator of aquatic ecological health.
Its large-scale revival vividly testifies to Erhai Lake's remarkable ecological restoration achievements.
China's Ecological and Environmental Code, enacted on Saturday, stipulates nationwide protection and restoration of river and lake ecosystems, providing solid legal support for systematic water ecological governance across the country.
As China advances its Beautiful China initiative, this code is expected to strengthen rule-of-law guarantees for ecological protection and provide fresh impetus for the country's green and low-carbon transition.
In the early 1990s, agricultural pollution worsened Erhai Lake's water quality, causing frequent blue-green algae outbreaks. A severe algae bloom hit the lake in 1996, leaving the water turbid and smelly. As the environment degraded, Ottelia acuminata nearly disappeared from the lake.
Thanks to years of targeted ecological protection and restoration efforts, the lake's water quality has improved steadily, maintaining an excellent Grade II standard from January to June 2026, and creating favorable conditions for the return of Ottelia acuminata.
Official data show that the plant's coverage on Erhai Lake has surged from 90,000 square meters in 2021 to 950,000 square meters in 2026, marking a remarkable ecological recovery.
The improved water environment has also brought tangible economic benefits, turning the lake's ecological advantages into a sustainable industry. From lake ecology to farm cultivation and consumer products, Ottelia acuminata's dual ecological and economic value has been fully realized.
In 2018, environmental worker Zhong Lan noticed the edible plant's great potential for water purification and industrial development. With support from local authorities and Shanghai Jiao Tong University in eastern China, she started a company and built a professional research base in 2024, developing standardized planting techniques that enable high-yield, repeated harvests and offering jobs for local villagers.
Villager Li Xinyuan, who quit Ottelia acuminata cultivation years ago due to low profits, resumed planting in 2023 and earns a stable monthly salary of 4,500 yuan (about 663 U.S. dollars) at the base.
His fellow villager Du Hongquan earned over 100,000 yuan last year from growing the plant and has more than doubled his planting area this year. "The base takes full charge of sales, so we can plant without any worries," Du said.
Eryuan County, the source of Erhai Lake, now has more than 200 hectares of Ottelia acuminata plantation area, creating numerous jobs yearly. The plant has been developed into a diverse range of products like tea, plant-based coffee and cookies.
"I used to think it was exclusive to Yunnan, but I can try it elsewhere too," said a tourist surnamed Ai after tasting the plant at a hotpot restaurant in Hangzhou, east China's Zhejiang Province.
The beautiful lakeside scenery at Erhai has also boosted local tourism. In 2025, Dali received over 120 million tourist visits, attracting visitors to enjoy lake views and experience local Bai ethnic culture, with 407,000 long-term visitors.
Last month, the State Council issued a plan for building a Beautiful China during the 15th Five-Year Plan period (2026-2030), setting out the overall requirements, targets, key tasks and major projects for comprehensively advancing this initiative.
According to the plan, China will achieve overall improvement in ecological and environmental quality and make significant progress toward building a Beautiful China by 2030, with green production and lifestyles largely established and the carbon peaking target reached on schedule.
。    Sophie 编译 新西兰完全禁止进口蛇，但这并没有阻止一些狡猾的爬行动物偷偷溜过我们的边境。         据新西兰生物安全局（Biosecurity NZ）称，2023年发现了5条蛇，其中大多数是无毒的，被发现藏在进口的货物中。         Advertise with us          已被确认的蛇来自澳大利亚、北美、亚洲、意大利和巴布亚新几内亚，它们是在科罗曼德尔、汉密尔顿、奥克兰和Porirua被发现的。         被发现时，除了一条蛇外，其余的蛇都死了。         2023年8月，科罗曼德尔一处矿场的工人捕获了一条无毒的活蛇，这条蛇是在一个集装箱里，与从澳大利亚进口的建筑材料一起搭便车来到新西兰的。一位训练有素的新西兰生物安全局的处理蛇的员工取走了它，并在奥克兰动物园对它实施了安乐死。

二 |          此外，海关还在Rangiora及新普利茅斯截获了两块蛇皮碎片。蛇皮碎片可能包括蛇蜕皮后留下的一块脱落的皮肤，这意味着蛇可能在离开海外港口之前脱落了皮肤碎片。         新西兰生物安全局监控和生物入侵部门的代理经理Mike Taylor表示，对所有报告的蛇目击或拦截事件都会进行彻底调查，以确定到达途径，减轻任何潜在的生物安全风险，并确定是否需要对生物安全要求或进口途径要求进行任何更改。         “新西兰生物安全局对蛇在新西兰出现造成的危险都会认真对待。这就是为什么我们有一个多层次的生物安全系统，包括严格的进口要求、边境检查和监控；这也是为什么我们有训练有素的人员来安全有效地处理疑似蛇类发现事件的原因。”          “来自公众的报警是生物安全系统的重要组成部分。这使我们能够迅速采取行动，消除生物安全威胁。”          在2020年、2021年和2022年期间，新西兰共捕获了9条蛇，其中两条是活的。

三 |          相关阅读：          奥克兰再次发现剧毒活蛇！就在北岸热门海滩Takapuna          奥克兰建筑工地的蛇可能是这么来的 被发现时似乎还活着          什么？奥克兰建筑工地竟然惊现一条蛇？          新西兰发布新版“入境须知”短片 加强生物安全宣传          注：本文为编译/原创，欢迎转发分享；但严禁复制等未经授权的非法使用。违反上述声明者，本网将追究其相关法律责任。使用授权请联系[email protected]。

四 |          chineseherald.co.nz All Rights Reserved 版权所有          (责编：Sophie)          相关内容                疫情通报：病例数上升！过去一周新西兰新增8040例           本周新西兰大部将出现降雨，奥克兰今天下午有大雨           奥克兰的公共交通票价下个月将上涨！           政府履行大选承诺，正式取消了或耗资150亿纽币的奥克兰轻轨           【先驱自媒】毁三观！新西兰知名国会议员第二起偷窃事件曝光！党魁发布声明！           第二起商店行窃事件被披露，绿党议员四面楚歌           奥克兰北岸大超市清晨被抢：警方出动直升机和警犬队追捕，4人被拘           奥克兰高温来袭！气象部门警告：保持水分充足，寻找阴凉处……。

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