The report said that a dramatic reduction in duck numbers spending the winter at Lough Neagh in Northern Ireland, suggested some key bodies of water in Europe were no longer freezing over.

• 报告称，在北爱尔兰的内湖过冬的鸭子数量急剧减少，这表明，冬天欧洲大陆某些地方的水域不再结冰。