What would spring be without the gentle drone of fuzzy bumblebees, lazily dipping in and out of flowers in the warm sunshine? Unfortunately, research suggests, much of the country may be at risk of finding out.
沒有模糊的大黃蜂溫柔的嗡嗡聲，懶洋洋地在溫暖的陽光下浸泡著花朵，春天會是什麼樣子呢？不幸的是，研究表明，這個國家的大部分地區可能都有發現的風險。
And climate change is at least partly to blame.
氣候變化至少是部分原因。
Bumblebee populations have plunged in both Europe and North America over the last few decades, a new study suggests.
一項新的研究表明，在過去的幾十年中，歐洲和北美的大黃蜂數量都大幅下降。
The likelihood that a given location is populated by bumbles has dropped by a whopping 46% in North America, compared with what it was prior to the 1970s.
與20世紀70年代之前相比，北美某一特定地點佈滿了亂七八糟的東西的可能性下降了46%。
And it’s fallen by about 17% in Europe.
而在歐洲，這一數字下降了約17%。
That’s likely due to a number of factors, including land use changes, habitat loss and pesticide use.
這可能是由於許多因素，包括土地使用的變化，棲息地的喪失和殺蟲劑的使用。
But rising temperatures have also likely played a significant role, the research suggests.
但研究表明，氣溫上升也可能起到了重要作用。
The new study, conducted by researchers from Canada’s University of Ottawa and the United Kingdom’s University College London, found that bee declines tended to be linked to higher temperatures.
這項由加拿大渥太華大學和英國倫敦大學學院的研究人員進行的新研究發現，蜜蜂數量的下降往往與較高的溫度有關。
The study was based on observations of 66 species across both continents.
這項研究基於對兩大洲66個物種的觀察。
Bees don’t function well once the temperature reaches a certain point, said lead study author Peter Soroye of the University of Ottawa.
渥太華大學的首席研究作者Peter Soroye說，一旦溫度達到一定的溫度，蜜蜂就不能正常工作。
“We know that when temperatures start to get really hot, bees start to have a lot of difficulty flying and foraging,” he told E&E News.
“我們知道，當溫度開始變得非常熱時，蜜蜂開始有很多飛行和覓食的困難，”他告訴E&E新聞。
Additionally, rising temperatures can also affect the vegetation that bees depend on for survival.
此外，氣溫升高也會影響蜜蜂賴以生存的植被。
The researchers note that different bee species have different temperature limits.
研究人員指出，不同的蜜蜂物種有不同的溫度限制。
And in some cases, a warmer climate can open up new areas for bumblebees to move into.
在某些情況下，溫暖的氣候可以為大黃蜂開闢新的遷入領域。
But that’s only true up to a certain point—eventually, it’s likely to become too warm.
但這隻在一定程度上是正確的-最終，它可能會變得太熱。
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