英语分级阅读 · Level 2 · nature · 约 317 词
Algae Blooms Close Lakes in Northern Ireland
Blue-green algae blooms have closed lakes in Northern Ireland, causing health warnings and hurting local businesses.
Blue-green algae blooms have appeared across Northern Ireland's water systems this summer. These thick green layers can be dangerous for people and animals. Because of the health risks, several lakes have been closed or restricted. The closures affect local visitors, swimmers, and businesses that depend on summer tourism.
The UK Centre for Ecology and Hydrology reported 248 algae blooms across Lough Neagh and other water systems. About 80 of these blooms were confirmed in June and July alone. Camlough Lake near Newry and Craigavon Lakes were among the affected areas. On 13 July, the Department of Agriculture, Environment and Rural Affairs (Daera) told Newry, Mourne and Down District Council that algae had appeared at Camlough Lake. Warning signs were put up quickly to protect the public.
On 21 July, Armagh City, Banbridge and Craigavon Borough Council suspended swimming and watersports at Craigavon Lakes. Councils are now monitoring water conditions every day and testing for toxins. Karl Toner, a business owner at Camlough Lake, said visitor numbers fell sharply after the warning. Open-water swimmer Joanne Callan said the closures affect swimmers physically, emotionally, and socially. Visitors Rachel and Tilly Turkington said they avoid entering Craigavon Lakes because of the poor water quality.
Scientists say the main cause is nutrient pollution, especially phosphorus. This nutrient can come from agriculture, wastewater, septic tanks, industry, and household detergents. Lough Neagh sediment contains about 40 years' worth of phosphorus. When warm weather and extra nutrients meet, algae can grow quickly. Authorities say there are no quick fixes, but reducing nutrient pollution is the first step to solving the problem.
The situation matters because algae can cause skin irritation and sickness in people and animals. It also reduces tourism and local business income. Recreational activities such as swimming and watersports are restricted while officials work to improve water quality. For now, the public should follow warning signs and avoid contact with affected lakes.
中文参考
今年夏天，蓝绿藻水华出现在北爱尔兰的水系中。这些厚厚的绿色藻层可能对人体和动物有害。由于存在健康风险，多个湖泊已被关闭或限制使用。这些关闭措施影响了当地游客、游泳者以及依赖夏季旅游业的商家。
英国生态与水文学中心报告称，在尼恩湖及其他水系中发现了248处藻华。其中约80处是在6月和7月确认的。纽里附近的卡姆洛湖和克雷加文湖是受影响地区之一。7月13日，农业、环境与乡村事务部（Daera）通知纽里、莫恩和唐郡议会，卡姆洛湖出现了藻类。警示标志很快被竖立起来，以保护公众。
7月21日，阿马城、班布里奇和克雷加文自治市议会暂停了克雷加文湖的游泳和水上运动。各议会现在每天监测水质并检测毒素。卡姆洛湖的企业主卡尔·托纳表示，警告发布后游客数量急剧下降。公开水域游泳者乔安妮·卡兰说，湖泊关闭对游泳者造成了身体、情感和社会层面的影响。游客瑞秋和蒂莉·特金顿表示，由于水质不佳，她们避免进入克雷加文湖。
科学家表示，主要原因是营养污染，尤其是磷。这种营养物质可能来自农业、废水、化粪池、工业和家庭洗涤剂。尼恩湖沉积物中含有约40年的磷。当温暖天气与额外营养物质相遇时，藻类会迅速生长。当局表示没有快速解决办法，但减少营养污染是解决问题的第一步。
这一情况很重要，因为藻类可能引起人和动物的皮肤刺激和疾病。它还会减少旅游业和地方商业收入。在官员努力改善水质的同时，游泳和水上运动等休闲活动受到限制。目前，公众应遵循警示标志，避免接触受影响的湖泊。