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Exploring the Correlation between Global Warming and the Inaugural Flight of Bees


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Scientists from the University of Reading have found out how global warming affects the behavior of wild bees and wasps.

And the journal Ecology and Evolution points out that it has become clear to researchers that a one-degree Celsius rise in temperature causes wild bees and wasps to leave their nests 6.5 days earlier than usual.

Over the course of 40 years, researchers have studied 88 species of wild bees in Britain, analyzing 350 records of their behavior, and here is a study showing a change in the timing of their first flight. And it turned out that since 1980, for all species, it has changed at a rate of 0.4 days per year.

Due to the early onset of spring, bees appear earlier than usual, out of sync with plants that lose a lot of food, and therefore they do not have enough strength to effectively pollinate crops, or they may even miss the flowering period of crops.

The awakening and flowering of plants is vital for bees, as they need pollen and nectar to increase their chances of surviving and producing offspring. Decreased efficiency of natural pollination will force farmers to use specially bred honey bees, which means higher costs for consumers.

If winters are 1 to 4.5 degrees warmer and 30 percent wetter by 2070, the researchers predict, the spring season will start earlier and bees will have to fly earlier. Of course, this change will greatly affect plants that rely heavily on pollination, such as apple trees, which may not be ready to bloom by the time the bees have finished wintering.

Source: Linta. EN

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