云南大理的“蒼山雪,洱海月”是許多文藝青年向往的詩和遠(yuǎn)方,。然而,,1996年和2003年兩次藍(lán)藻大規(guī)模爆發(fā)和水質(zhì)的急劇惡化,,令洱海這顆“高原明珠”驟失光彩。警鈴拉響,,一場搶救洱海的行動(dòng)開始了……這么多年過去了,,洱海治理得怎么樣了?帶著這個(gè)問題,中國日?qǐng)?bào)外籍記者肖恩來到了這里,。
洱??蜅5年囃磁c蛻變
洱海邊有許多文藝舒適的客棧和民宿,來此旅游的人總會(huì)選一家喜歡的住下,,享受幾日寧靜時(shí)光,。
然而,幾年前,,大批洱??蜅s被關(guān)停整頓,原因是什么呢?
肖恩來到洱海邊的雙廊鎮(zhèn),,與當(dāng)?shù)乜蜅@习褰氪肓牧肆摹?/p>
江措措來此地7年了,,他回憶起洱海旅游業(yè)井噴發(fā)展的那幾年,客棧和飯館扎堆開業(yè),,游客激增,。
“當(dāng)時(shí)這些街道、巷道里全是人,,每天拉行李的聲音,,輪子‘咔咔咔咔’響,巷道里全是這個(gè)聲音,?!?/p>
It was full of people on the streets and lanes. There was the noise of suitcases every day. The streets and lanes echoed with that noise.
隨之而來的是大量生活廢水的排放,當(dāng)?shù)丨h(huán)境受到嚴(yán)重影響,。
“可能是人來得太多了,,管道的負(fù)荷跟容量承載不了,有時(shí)候我們那些井蓋兒都會(huì)爆污水出來,?!?/p>
Maybe the sewage system was overburdened with too many visitors. Sometimes wastewater overflowed down the streets.
再加上農(nóng)業(yè)生產(chǎn)生活廢水的排放,洱海的水質(zhì)亮起了“警示燈”,。
“當(dāng)時(shí)這邊都是綠油油的一片,,就像上面飄著層綠色的油似的?!?/p>
The lake turned blue-green. It was covered by blue-green algae.
algae/??ld?i?/:藻類
這樣的變化令人心痛,。2017年,大理州政府發(fā)出史上“最嚴(yán)治理令”,洱海流域核心區(qū)的2000余家餐飲客棧全部停業(yè)整治,。
一個(gè)急剎車,,拉住了過度開發(fā)的旅游業(yè),也使得游客銳減,,昔日游人如織的洱海小鎮(zhèn)變得冷清,。
然而,短期的陣痛換來的是當(dāng)?shù)芈糜螛I(yè)的蛻變,。
Despite the controversy raised about the procedural rationality, the sewage and garbage disposal systems, interior design and decoration, and also tourist infrastructure in scenic spots have improved during the period.盡管當(dāng)時(shí)有不少聲音質(zhì)疑這一做法是否合理,,但在整頓期間,這些客棧的污水垃圾處理系統(tǒng),、內(nèi)部設(shè)計(jì)裝修和旅游設(shè)施都得以升級(jí),。
2017年4月以來,洱海關(guān)閉餐館客棧2498家,,目前已恢復(fù)營業(yè)1791家,。
“一定要把洱海保護(hù)好”
“立此存照,過幾年再來,,希望水更干凈清澈,。”2015年新年伊始,,習(xí)近平總書記在大理洱海邊考察時(shí),,殷切叮囑當(dāng)?shù)馗刹俊?/p>
他要求“一定要把洱海保護(hù)好”,讓“蒼山不墨千秋畫,,洱海無弦萬古琴”的自然美景永駐人間,。
牢記囑托,大理全面打響了洱海保護(hù)治理攻堅(jiān)戰(zhàn),。
為搶救洱海,2015年以來,,大理累計(jì)投入183.36億元,,構(gòu)建了覆蓋整個(gè)洱海流域的環(huán)湖截污體系,其中包含19座城鎮(zhèn)污水處理廠,、135座分散型農(nóng)村污水處理設(shè)施,、4461.6公里污水收集管網(wǎng)、12.07萬個(gè)化糞池,。
這一體系如同巨網(wǎng),,遍布深入每家每戶。
All domestic wastewater, including sewage from kitchens, toilets, washing machines and also livestock and poultry barns, would enter branch pipes of the sewage pipe network called “capillaries” by the locals, then go into the main pipe, and finally flow into sewage treatment plants.
家家戶戶的廚房,、廁所,、洗滌和家畜家禽圈棚產(chǎn)生的生活污水,都會(huì)進(jìn)入到污水收集管網(wǎng),從當(dāng)?shù)厝朔Q為“毛細(xì)血管”的支管流入總管道,,最后進(jìn)入污水處理廠進(jìn)行處理,。
肖恩實(shí)地探訪了洱海流域的一家污水處理中心,雙廊下沉式再生水廠,。
該廠負(fù)責(zé)人李亞萍展示了生活污水處理前和處理后的樣品,。
經(jīng)過處理后的尾水無色無味,可用于缺水山村的灌溉以及面山綠化,。
據(jù)了解,,目前大理市污水收集處理率已由50%提高到96.1%。
A total of 96.1 percent of the sewage generated in the city of Dali is purified before its release, and it does not go into the lake.
除了截污治污,,當(dāng)?shù)氐霓r(nóng)業(yè)也進(jìn)行了產(chǎn)業(yè)結(jié)構(gòu)調(diào)整,。
以大蒜為主的大水大肥農(nóng)作物在洱海流域內(nèi)全面禁止種植,含氮磷化肥也被禁止使用,,推行有機(jī)化肥替代,。
Planting garlic, which requires large amounts of water and fertilizers, and also the use of fertilizers with nitrogen and phosphorus have all been banned.
2018年,當(dāng)?shù)販p少大蒜種植面積10.18萬畝,。政府將私人土地流轉(zhuǎn)出來,,承包給知名企業(yè),大力發(fā)展綠色農(nóng)業(yè),、有機(jī)農(nóng)業(yè),。
洱海清,大理興
如今在大理,,保護(hù)洱海,、保護(hù)環(huán)境的理念已深入人心。人人都懂得“洱海清,,大理興”的道理,。
大理古生村村民李德昌對(duì)肖恩說:
“目前為止,我們整個(gè)村子都發(fā)生了變化,,基礎(chǔ)設(shè)施的建設(shè),,洱海保護(hù)的宣傳,家家戶戶有責(zé)任制?,F(xiàn)在我們村子的環(huán)境越來越好,,家家戶戶小橋流水?!?/p>
So far, the changes in our village are in the infrastructure, publicity about Erhai Lake protection, and regulations for environmental protection. Our environment is getting better, which can be seen in every house.
在全民保護(hù)洱海的氛圍下,,大理州政府的洱海治理取得了階段性成效。
The water quality of the lake has met the national standard of Grade II for seven months and Grade III for five months last year, the best since 2015.
2018年,,洱海全湖水質(zhì)7個(gè)月II類,,5個(gè)月III類,,這是2015年以來的最好水平。
The water quality has remained at Grade II in the first five months of this year and Grade III for June and July, accompanied by the coming of the rainy season. The water near the shore looks clearer, and there has been no large-scale outbreak of algal blooms.
今年洱海全湖水質(zhì)1-5月達(dá)II類,,6-7月隨著雨季來臨保持在III類,。近岸水域觀感清澈,沒有大規(guī)模藍(lán)藻爆發(fā),。
不過,,洱海的水質(zhì)仍然不穩(wěn)定。要讓這顆“高原明珠”回歸澄凈透亮的樣子,,依舊任重道遠(yuǎn),。
湖泊治理是世界性難題。如何把握發(fā)展與保護(hù)之間的平衡,,形成產(chǎn)業(yè)轉(zhuǎn)型升級(jí)的路子,,大理人還在探索,并已做好全力奮戰(zhàn)的準(zhǔn)備,。