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Nanoparticles transported from aquatic to terrestrial ecosystems via emerging aquatic insects compromise subsidy quality

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Journal 30 Oct 2019Publisher:Springer Science and Business Media LLCJournal:Scientific Reports, volume 9 (eissn: 2045-2322,

Authors: Mirco Bundschuh; Mirco Bundschuh; Simon Lüderwald; Rebecca Bundschuh; Ralf Schulz; Ricki R. Rosenfeldt; Dominic Englert; +4 Authors

doi: 10.1038/s41598-019-52096-7

pmid: 31666603

pmc: PMC6821837

Nanoparticles transported from aquatic to terrestrial ecosystems via emerging aquatic insects compromise subsidy quality

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Abstract

AbstractNanoparticle contaminants enter aquatic ecosystems and are transported along the stream network. Here, we demonstrate a novel pathway for the return of nanoparticles from aquatic to terrestrial ecosystems via cross-boundary subsidies. During their emergence, trichopteran caddisflies carried titanium dioxide and gold nanoparticles into their terrestrial life stages. Moreover, their emergence was delayed by ≤30 days, and their energy reserves were depleted by ≤25%. Based on worst case estimates, it is suggested that terrestrial predators, such as bats feeding on aquatic prey, may ingest up to three orders of magnitude higher gold levels than anticipated for humans. Additionally, terrestrial predator species may suffer from alterations in the temporal availability and nutritional quality of their prey. Considering the substantial transfer of insect biomass to terrestrial ecosystems, nanoparticles may decouple aquatic and terrestrial food webs with important (meta-)ecosystem level consequences.

Related Organizations

Swedish University of Agricultural Sciences
Sweden
University of Koblenz and Landau
Germany

Keywords

Food Chain, Insecta, Metal Nanoparticles, Spiders, Article, Chiroptera, Predatory Behavior, Animals, Humans, Biomass, Gold, Hydrobiology, Ecosystem

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	33
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%