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Julia Marie Zigann on Muck Rack

Julia Marie Zigann

As seen in: MDPI
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Articles

Effects of Deadwood on Macroinvertebrate Assemblages in Three Sand-Type Lowland Streams

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By Volker Lüderitz, Julia Marie, Julia Marie Zigann, Richard M. Gersberg
| MDPI
1. Introduction Insects, such as dragonflies, mayflies, and caddisflies, go through an aquatic stage before settling on the land. According to the “Krefeld study”, a decrease in the total biomass of flying insects by more than 75% was observed over a period of 27 years in several German protected areas [1]. It is also conceivable that the dramatic loss of insect species and biomass worldwide has been underestimated [2].
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