Insect alarm: in the last 25 years their number has decreased by 75%

Scientists assure that a fundamental role is played by climate changes that could trigger a real 'ecological Armaggedon'. '.

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Insect alarm: in the last 25 years their number has decreased by 75% in Germany and although the causes are still unknown, scientists assure that a fundamental role is played by climate change that could trigger a real 'ecological Armaggedon'.

The new study published in Plus one is very clear and does not hide a certain alarmism, above all because we are all aware of the fundamental role that insects play on our planet: not only as prey in the food chain but also as pollinators of plants.

The bees are disappearing and not even the butterflies are doing so well, with them many other insects that little by little are no longer seen even in nature reserves. As we read in the study, there are a number of contributing causes that are leading to this death.

At the top are climate change, followed by the destruction of entire areas in favor of agriculture and the excessive use of pesticides and glyphosate, against which a real battle is underway.

“Insects make up about two-thirds of all life on Earth, but their numbers are declining. The impression is that it is creating a Planet less and less hospitable for these living beings, but if we lose the insects, the whole system will collapse explains Dave Goulson, professor of life sciences at the University of Sussex and co-author of the study.

Insect alarm: in the last 25 years their number has decreased by 75%

The study was conducted by dozens of entomologists across the Germany who have observed various insects with special technologies over the years. The research began in 1989 and with the passage of time the decline was increasingly persistent, especially in the summer

"The fact that the number of flying insects is decreasing at such a high rate over such a large area is an alarming finding," said Hans de Kroon, an ecologist at Radboud University, who led the research.

Scientists believe the fact that this decline has also occurred in well-managed nature reserves is even more alarming, because the data could be worse in unprotected areas.

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“We can't pinpoint exactly why this is happening. It could be food shortages, pesticide exposure, or both. It is clear that the former is linked to climate change, ”he said Hans de Kroon.