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Assessing the non-target effects and the efficiency of the Trinet system

Project status:  
Project Leader: dr. Maarten de Groot
Department: Department of Forest Protection
Project group:

Tine Hauptman


The influence of the Trinet® on non-target organisms were investigated for the chemical company BASF. Trinet, window traps and malaise traps were set up nearby the forest in Prevalje, Kamnik, Brnik, Ljubljana and Nazarje. The window traps and malaise trap were used to estimate the number of animals which were actual flying around the Trinet. They were checked trice a year for a period of two weeks. Beside that we checked in the field for six hours the animals which were landing on the Trinet. The main results were that there were fewer non-target organisms on the Trinet compared to the window trap and the malaise trap. Organisms with important functions like predation, pollination, etc, were less or not affected by the Trinet compared to the other trap types. Additionally it was found that not all animals were found to die straight away after coming into contact with the Trinet.
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