冰島高溫破紀錄 首次發現蚊子

Mosquitoes found in Iceland for first time after record heat

2025.10.22 發布
BBC
新聞 健康與教育環境、水資源與災害

Mosquitoes have been found in Iceland for the first time after the country experienced record-breaking heat this spring.
Iceland was one of only two mosquito-free havens in the world prior to the discovery, partly due to its cold climate. The only other recorded mosquito-free zone is Antarctica.
The mosquitoes were found in Kjós, a glacial valley to the South West of the Icelandic capital of Reykjavik. The species are common across parts of Europe and North Africa but it it isn't clear how they reached Iceland, Alfreðsson told CNN.
Iceland's cold climate and lack of stagnant water in which the insects can breed are key contributors to the country's former lack of mosquitoes, the World Population Review said.
But this year, the country broke multiple records for its high temperatures. Typically, Iceland rarely experiences highs of more than 20C (68F) in May, and when it does those heatwaves will last for no more than two to three days, its Met Office notes. That threshold was exceeded for 10 consecutive days this year in different parts of the country, though. Iceland also saw its hottest ever day in May, with temperatures reaching 26.6C (79.8F) at Eglisstaðir Airport.
A June study published by the Global Heat Health Information Network noted that such shifts could have "significant" impacts on delicate ecosystems, which have adapted to the cold climate and are sensitive to temperature shifts.

冰島在今年春天經歷破紀錄的高溫後,首次發現蚊子出現。在此次之前,冰島是世界上僅有的兩個沒有蚊子的地區,另一個是南極洲。
這些蚊子是在位於冰島首都雷克雅維克西南方的冰川山谷Kjós地區被發現的。蚊子隨後被送往冰島自然歷史研究所(Icelandic Institute of Natural History)鑑定,發現這種蚊子在歐洲與北非部分地區相當常見,但目前尚不清楚牠們是如何抵達冰島的。
冰島過去沒有蚊子,主要原因在於其低溫氣候以及缺乏適合蚊子繁殖的靜止水域。然而今年冰島多次刷新高溫紀錄。五月氣溫通常很少超過攝氏20度,即使出現熱浪也不會超過兩到三天。但今年,在國內多個地區,氣溫連續十天超過20度。此外,今年五月冰島也創下有史以來最熱的一天,氣溫達到攝氏26.6度。
《全球高溫健康資訊網絡》(Global Heat Health Information Network)在六月發表的一份研究指出,這類氣候變化可能對冰島這樣的寒冷氣候生態系統造成「重大影響」。

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