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Nature photography by Frode Falkenberg

Temperature and moth diversity

There is large variation between night when it comes to the diversity of light-trapped moths. Night temperature is an important factor.

All garden records
The figure below show the lowest night temperature (degrees celcius) during the date, and the total number of moth species recorded in a single Robinson mothtrap with a 125 W HQL bulb. The trapping site is in Bergen, western Norway, and all data shown are from 2015.
Parameters such as lunar phase, clouds, precipitation, humidity and wind are not included. They explain the slight deviations...

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