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Scientists Say “Ecological Armageddon” is Imminent Due to Massive Insect Deaths

"We appear to be making vast tracts of land inhospitable to most forms of life."

Brad JonesOctober 20th 2017

Dropping Like Flies

The amount of flying insects living in Germany has dropped precipitously over the past 25 years, according to a new study. Dozens of amateur entomologists across the country cooperated to take more than 1,500 samples of all flying insects across 63 different nature reserves, which were then weighed. Their findings suggest we’re seeing massive insect deaths in the country and likely beyond.

The annual average was found to have dropped 76 percent by weight over a quarter of a century, whereas the figures for summer–when insect life is at its peak–dropped a staggering 82 percent.

These figures are troubling in their own right. However, the greater effect of a reduced insect population comes from the creatures’ place in the wider animal kingdom.

A striped insect pollinates a purple flower. Massive insect deaths in Germany suggest this vital ecosystem service could soon be lost.
(Image credit: Wikimedia Commons/Vera Buhl)

“Insects make up about two-thirds of all life on Earth [but] there has been some kind of horrific decline,” said Prof. Dave Goulson of Sussex University, who contributed to the study, speaking to the Guardian. “We appear to be making vast tracts of land inhospitable to most forms of life, and are currently on course for ecological Armageddon. If we lose the insects then everything is going to collapse.”

Flying insects pollinate flowers, provide food for a host of animals, control pests, and contribute to vital decomposition processes. Simply put, there are sure to be some major ecological effects if their populations continue to drop.

Flying Low

Scientists don’t know exactly why the decline is so severe. The destruction of habitats, increased pesticide usage, and climate change are all being raised as contributing factors for insect deaths.

Perhaps the most disturbing aspect of this study is the fact that numbers are dropping in conservation sites. All of the locations where samples were taken are said to be well-kept, which might indicate that the situation is even more dire elsewhere.

The next step for the research is to corroborate these findings with other areas. There are also plans to find about more about the general insect population by studying non-flying creatures, which may actually be faring better.

In response, we will also need to take stock of activities that we know have a negative effect on the amount of insects in the environment. That means reducing our usage of harmful pesticides, and ensuring that spaces conducive to insect life are preserved.

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