Dramatic decline in flying insect biomass linked to decreases of anthropogenic atmospheric sulfur.
Research at more than 60 protected areas in Germany suggests flying insects have declined by more than 75% over almost 30 years.
"This confirms what everybody's been having as a gut feeling - the windscreen phenomenon where you squash fewer bugs as the decades go by," said Caspar Hallmann of Radboud University in The Netherlands.
"This is the first study that looked into the total biomass of flying insects and it confirms our worries.''
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| Photo credit Jan Smith |
The study is based on measurements of the biomass of all insects trapped at 63 nature protection areas in Germany over 27 years since 1989. The data includes thousands of different insects, such as bees, butterflies and moths.
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