Estimating emergence of aquatic insects from different habitats

In April 2019, 18 emergence traps where placed at Marker Wadden to estimate the amount of aquatic insects emerging from aquatic, semi-aquatic habitats. In particular, we are interested in the amount of nutrients and energy transported between water and land and how it changes over the season.
Already in 2018, huge amounts of flying insects could be observed at Marker Wadden. The most dominant species belong to the family of non-biting midges (Chironomidae). Both larvae and adult animals, representing an important food source for different bird species, as well as for fish, spiders, beetles and other insects.

In charge of this Project is Yvonne Kahlert, University of Groningen.

Emergence traps (white tent) on shallow water.
Students from the University of Groningen placing an emergence trap in vegetated areas of Marker Wadden.

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