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dc.contributor.author
Baho, Didier L.
dc.contributor.author
Leu, Eva
dc.contributor.author
Pomati, Francesco
dc.contributor.author
Hessen, Dag O.
dc.contributor.author
Norberg, Jon
dc.contributor.author
Moe, S. Jannicke
dc.contributor.author
Skjelbred, Birger
dc.contributor.author
Nizzetto, Luca
dc.date.accessioned
2019-10-01T09:02:18Z
dc.date.available
2019-09-30T17:31:39Z
dc.date.available
2019-10-01T09:02:18Z
dc.date.issued
2019-10
dc.identifier.issn
0277-2248
dc.identifier.issn
1029-0486
dc.identifier.issn
0092-9867
dc.identifier.other
10.1002/etc.4536
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/367397
dc.identifier.doi
10.3929/ethz-b-000367397
dc.description.abstract
Freshwaters are increasingly exposed to complex mixtures of pharmaceutical and personal care products (PPCPs) from municipal wastewater, which are known to alter freshwater communities’ structure and functioning. However, their interaction with other disturbances and whether their combined effects can impact ecological resilience (i.e., the ability of a system to tolerate disturbances without altering the system's original structure and processes) remain unexplored. Using in situ mesocosms in 2 lakes with different nutrient levels (mesotrophic and eutrophic), we assessed whether a pulse exposure to sublethal concentrations of 12 PPCPs affects the ecological resilience of natural phytoplankton communities that experienced an abrupt environmental change involving the destabilization of the water column through mixing. Such mixing events are predicted to increase as the effects of climate change unfold, leading to more frequent storms, which disrupt stratification in lakes and force communities to restructure. We assessed their combined effects on community metrics (biomass, species richness, and composition) and their relative resilience using 4 indicators (cross‐scale, within‐scale, aggregation length, and gap length), inferred from phytoplankton communities by discontinuity analysis. The mixing disturbance alone had negligible effects on the community metrics, but when combined with chemical contaminants significant changes were measured: reducing total biomass, species richness, and altered community composition of phytoplankton. Once these changes occurred, they persisted until the end of the experiment (day 20), when the communities’ structures from the 2 highest exposure levels diverged from the controls. The resilience indicators were not affected by PPCPs but differed significantly between lakes, with lower resilience found in the eutrophic lake. Thus, PPCPs can significantly alter community structures and reinforce mechanisms that maintain ecosystems in a “degraded state.” Environ Toxicol Chem 2019;38:2197–2208. © 2019 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals, Inc. on behalf of SETAC.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Wiley
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Pharmaceuticals and personal care products
en_US
dc.subject
Climate change
en_US
dc.subject
Eutrophication
en_US
dc.subject
Phytoplankton
en_US
dc.subject
Ecological resilience
en_US
dc.title
Resilience of Natural Phytoplankton Communities to Pulse Disturbances from Micropollutant Exposure and Vertical Mixing
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2019-07-25
ethz.journal.title
Environmental Toxicology and Chemistry
ethz.journal.volume
38
en_US
ethz.journal.issue
10
en_US
ethz.pages.start
2197
en_US
ethz.pages.end
2208
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Hoboken, NJ
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02720 - Institut für Integrative Biologie / Institute of Integrative Biology::03705 - Jokela, Jukka / Jokela, Jukka
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02720 - Institut für Integrative Biologie / Institute of Integrative Biology::03705 - Jokela, Jukka / Jokela, Jukka
ethz.date.deposited
2019-09-30T17:31:51Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2019-10-01T09:02:32Z
ethz.rosetta.lastUpdated
2020-02-15T21:50:35Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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