A less negative view on changing moth populations

There have been a few news stories discussing declines in insect populations in the last two years or so, and some of those have come under criticism for methodological issues or "extrapolating beyond the data". The headlines about 'insect armageddon' following the release of the German study in 2017 became topical and were concerning for many. I just learned about a recent UK study that was profiled in the Guardian newspaper that offers a less alarming conclusion.

The UK study is interesting and possibly unique because of the timeframe, it covers 50 years of moth sampling at over 30 sites across the UK. It has a much longer reference period that the German study that got so much attention. The UK study actually points to an increase in biomass over the first portion of the study (roughly 1967 to 1982), followed by a decline. However, over the ...more ↓

Posted on January 21, 2020 03:33 by dkaposi dkaposi | 1 comments | Leave a comment
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This project collects observations of moths in Ontario for the the Toronto Entomologists' Association. The TEA has been collecting observations in the province since 1970 and recently launched the Ontario Moth Atlas of moth phenology and distribution.

The ...more ↓

Mini dkaposi created this project on August 05, 2016

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