NDLI: Impact of seaweed beachings on dynamics of Î´(15)N isotopic signatures in marine macroalgae.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Lemesle, Stéphanie Mussio, Isabelle Rusig, Anne-Marie Menet-Nédélec, Florence Claquin, Pascal
Spatial Coverage	France
Description	Country affiliation: France Author Affiliation: Lemesle S ( Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France); Mussio I ( Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France); Rusig AM ( Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France); Menet-Nédélec F ( IFREMER, Laboratoire Environnement Ressources de Normandie, Avenue du Général de Gaulle, 14520 Port-en-Bessin, France.); Claquin P ( Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France)
Abstract	A fine-scale survey of Î´(15)N, Î´(13)C, tissue-N in seaweeds was conducted using samples from 17 sampling points at two sites (Grandcamp-Maisy (GM), Courseulles/Mer (COU)) along the French coast of the English Channel in 2012 and 2013. Partial triadic analysis was performed on the parameter data sets and revealed the functioning of three areas: one estuary (EstA) and two rocky areas (GM(∗), COU(∗)). In contrast to oceanic and anthropogenic reference points similar temporal dynamics characterized Î´(15)N signatures and N contents at GM(∗) and COU(∗). Nutrient dynamics were similar: the N-concentrations in seawater originated from the River Seine and local coastal rivers while P-concentrations mainly from these local rivers. Î´(15)N at GM(∗) were linked to turbidity suggesting inputs of autochthonous organic matter from large-scale summer seaweed beachings made up of a mixture of Rhodophyta, Phaeophyta and Chlorophyta species. This study highlights the coupling between seaweed beachings and nitrogen sources of intertidal macroalgae.
File Format	HTM / HTML
ISSN	0025326X
Issue Number	1-2
Volume Number	97
e-ISSN	18793363
Journal	Marine Pollution Bulletin
Language	English
Publisher	Elsevier
Publisher Date	2015-08-15
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biology Nitrogen Isotopes Analysis Seaweed Chemistry Carbon Isotopes Chlorophyta Estuaries France Nitrogen Phaeophyta Phosphorus Rhodophyta Rivers Seasons Seawater Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Aquatic Science Oceanography

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