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Efficiency of crust...
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Grosbois, Guillaume
(författare)
Efficiency of crustacean zooplankton in transferring allochthonous carbon in a boreal lake
- Artikel/kapitelEngelska2020
Förlag, utgivningsår, omfång ...
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2020-04
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Wiley-Blackwell,2020
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:umu-169890
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-169890URI
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https://doi.org/10.1002/ecy.3013DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Increased incorporation of terrestrial organic matter (t-OM) into consumer biomass (allochthony) is believed to reduce growth capacity. In this study, we examined the relationship between crustacean zooplankton allochthony and production in a boreal lake that displays strong seasonal variability in t-OM inputs. Contrary to our hypotheses, we found no effect of allochthony on production at the community and the species levels. The high-frequency seasonal sampling (time-for-space) allowed for estimating the efficiency of zooplankton in converting this external carbon source to growth. From the daily t-OM inputs in the lake (57-3,027 kg C/d), the zooplankton community transferred 0.2% into biomass (0.01-2.36 kg C/d); this level was of the same magnitude as the carbon transfer efficiency for algal-derived carbon (0.4%). In the context of the boundless carbon cycle, which integrates inland waters as a biologically active component of the terrestrial landscape, the use of the time-for-space approach for the quantifying of t-OM trophic transfer efficiency by zooplankton is a critical step toward a better understanding of the effects of increasing external carbon fluxes on pelagic food webs.
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Vachon, DominicUmeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum(Swepub:umu)dova0005
(författare)
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del Giorgio, Paul A.
(författare)
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Rautio, Milla
(författare)
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Umeå universitetInstitutionen för ekologi, miljö och geovetenskap
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Ecology: Wiley-Blackwell101:60012-96581939-9170
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Ecology
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