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Effects of bioirrigation of non-biting midges (Diptera: Chironomidae) on lake sediment respiration
TLDR
A novel method based on the bioreactive tracer resazurin for measuring respiration in-situ in non-sealed systems with constant oxygen supply is described, revealing that bioirrigation enhanced sediment respiration by up to 2.5 times.
Bioturbation enhances the aerobic respiration of lake sediments in warming lakes
TLDR
It is indicated that lake water temperature increases could significantly enhance lake sediment respiration, which allows us to better understand seasonal changes in lake respiration and carbon metabolism as well as the potential impacts of global warming.
Complex and nonlinear climate‐driven changes in freshwater insect communities over 42 years
TLDR
In a nature reserve, climate change can lead to a significant decline in insect abundance and severe restructuring of communities, indicating that climate change has already altered biotic communities severely even in protected areas, where no other interacting stressors are present.
DNA metabarcoding reveals the complex and hidden responses of chironomids to multiple stressors
TLDR
The results highlight the potential of DNA-based approaches when studying environmental impacts, especially for this ecologically important taxon and in the context of multiple stressors.
Elevated temperatures translate into reduced dispersal abilities in a natural population of an aquatic insect.
TLDR
The results suggest that dispersal abilities of T. maxima were negatively affected by elevated temperatures, and how similar patterns might affect the persistence of populations of other aquatic insects, especially stenoecious taxa with narrow distribution ranges are discussed.
An owlfly larva preserved in Mexican amber and the Miocene record of lacewing larvae
TLDR
A new specimen of a lacewing larva from Miocene Mexican amber, most likely a larva of an owlfly (Ascalaphidae) with large prominent stylets, each with three teeth, is reported.
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