Dynamics of δ(15)N isotopic signatures of different intertidal macroalgal species: Assessment of bioindicators of N sources in coastal areas
δ(15)N of annual (Ulva sp., Porphyra sp.) and perennial intertidal seaweed species (Chondrus crispus, Fucus sp.) collected on 17 sampling points along the French coast of the English Channel in 2012 and 2013 were assessed on their suitability as bioindicators of N pollution in coastal areas. A sine...
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| Veröffentlicht in: | Marine pollution bulletin 2016-09, Vol.110 (1), p.470 |
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| creator | Lemesle, Stéphanie Erraud, Alexandre Mussio, Isabelle Rusig, Anne-Marie Claquin, Pascal |
| description | δ(15)N of annual (Ulva sp., Porphyra sp.) and perennial intertidal seaweed species (Chondrus crispus, Fucus sp.) collected on 17 sampling points along the French coast of the English Channel in 2012 and 2013 were assessed on their suitability as bioindicators of N pollution in coastal areas. A sine function applied for δ(15)N time series data showed for all the species the same seasonal trend with lowest δ(15)N values in April and highest in summer but with no significant interspecific differences of amplitude (α) and phase angle (ϕ). This model provides a useful tool for monitoring the inter-annual changes of N pollution. An interspecific variability of δ(15)N values was observed, probably due to their tolerance to emersion. An in vitro study for comparing the kinetic acquisition of the isotopic signal and N uptake mechanisms of each species underlined the influence of algal physiology on the δ(15)N interspecific variability. |
| doi_str_mv | 10.1016/j.marpolbul.2016.06.006 |
| format | Article |
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A sine function applied for δ(15)N time series data showed for all the species the same seasonal trend with lowest δ(15)N values in April and highest in summer but with no significant interspecific differences of amplitude (α) and phase angle (ϕ). This model provides a useful tool for monitoring the inter-annual changes of N pollution. An interspecific variability of δ(15)N values was observed, probably due to their tolerance to emersion. An in vitro study for comparing the kinetic acquisition of the isotopic signal and N uptake mechanisms of each species underlined the influence of algal physiology on the δ(15)N interspecific variability.</description><identifier>EISSN: 1879-3363</identifier><identifier>DOI: 10.1016/j.marpolbul.2016.06.006</identifier><identifier>PMID: 27349382</identifier><language>eng</language><publisher>England</publisher><subject>Environmental Monitoring - methods ; France ; Fucus - metabolism ; Marine Biology - methods ; Nitrates - metabolism ; Nitrogen - analysis ; Nitrogen Isotopes - analysis ; Porphyra - metabolism ; Seasons ; Seaweed - metabolism ; Spatio-Temporal Analysis ; Species Specificity ; Ulva - metabolism</subject><ispartof>Marine pollution bulletin, 2016-09, Vol.110 (1), p.470</ispartof><rights>Copyright © 2016 Elsevier Ltd. 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A sine function applied for δ(15)N time series data showed for all the species the same seasonal trend with lowest δ(15)N values in April and highest in summer but with no significant interspecific differences of amplitude (α) and phase angle (ϕ). This model provides a useful tool for monitoring the inter-annual changes of N pollution. An interspecific variability of δ(15)N values was observed, probably due to their tolerance to emersion. 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A sine function applied for δ(15)N time series data showed for all the species the same seasonal trend with lowest δ(15)N values in April and highest in summer but with no significant interspecific differences of amplitude (α) and phase angle (ϕ). This model provides a useful tool for monitoring the inter-annual changes of N pollution. An interspecific variability of δ(15)N values was observed, probably due to their tolerance to emersion. An in vitro study for comparing the kinetic acquisition of the isotopic signal and N uptake mechanisms of each species underlined the influence of algal physiology on the δ(15)N interspecific variability.</abstract><cop>England</cop><pmid>27349382</pmid><doi>10.1016/j.marpolbul.2016.06.006</doi></addata></record> |
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| identifier | EISSN: 1879-3363 |
| ispartof | Marine pollution bulletin, 2016-09, Vol.110 (1), p.470 |
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| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Environmental Monitoring - methods France Fucus - metabolism Marine Biology - methods Nitrates - metabolism Nitrogen - analysis Nitrogen Isotopes - analysis Porphyra - metabolism Seasons Seaweed - metabolism Spatio-Temporal Analysis Species Specificity Ulva - metabolism |
| title | Dynamics of δ(15)N isotopic signatures of different intertidal macroalgal species: Assessment of bioindicators of N sources in coastal areas |
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