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No strong evidence of priming effects on the degradation of terrestrial plant detritus in estuarine sediments

Gontikaki Evangelia, Witte Ursula F.M.

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URIhttp://purl.tuc.gr/dl/dias/30FA0616-AAEC-4515-A6C0-041319A13D15-
Αναγνωριστικόhttps://doi.org/10.3389/fmars.2019.00327-
Αναγνωριστικόhttps://www.frontiersin.org/articles/10.3389/fmars.2019.00327/full-
Γλώσσαen-
Μέγεθος6 pagesen
ΤίτλοςNo strong evidence of priming effects on the degradation of terrestrial plant detritus in estuarine sedimentsen
ΔημιουργόςGontikaki Evangeliaen
ΔημιουργόςΓοντικακη Ευαγγελιαel
ΔημιουργόςWitte Ursula F.M.en
ΕκδότηςFrontiers Mediaen
ΠερίληψηThe occurrence of priming effects (PEs) on the degradation of particulate terrestrial organic matter (OM) (13C-wheat detritus) was studied in marine sediments using phytoplankton detritus as priming inducer. Two scenarios, i.e., single-pulse vs. repetitive deposition of same amounts of algal detritus, were tested in sediment core incubation experiments. In the first case, a single pulse of phytodetritus emulated the sudden large input of phytoplanktonic material onto sediments following the decline of spring blooms in surface waters, whereas the repetitive deposition of small amounts of algal detritus represented the low, continuous flow of marine input of either pelagic or benthic origin that remains significant all year round. The mineralization rate of wheat detritus to 13CO2 in each treatment was measured on days 6, 8, 14, and 20 following the initiation of the experiment. No evidence of PEs on 13C-wheat mineralization upon the addition of labile phytodetritus could be detected in either scenario under the experimental conditions employed in this study.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2020-10-27-
Ημερομηνία Δημοσίευσης2019-
Θεματική ΚατηγορίαAquaticen
Θεματική ΚατηγορίαBacteriaen
Θεματική ΚατηγορίαDegradationen
Θεματική ΚατηγορίαMarineen
Θεματική ΚατηγορίαPriming effectsen
Θεματική ΚατηγορίαSedimenten
Θεματική ΚατηγορίαStable isotopesen
Θεματική ΚατηγορίαTerrestrial organic matteren
Βιβλιογραφική ΑναφοράE. Gontikaki and U. Witte, "No strong evidence of priming effects on the degradation of terrestrial plant detritus in estuarine sediments," Front. Mar. Sci, vol. 6, Jun. 2019. doi: 10.3389/fmars.2019.00327en

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