Article (Scientific journals)
Effect of transplantation on Posidonia oceanica shoots
Vangeluwe, Denis; Lepoint, Gilles; Bouquegneau, Jean-Marie et al.
2004In Vie et Milieu, 54 (4), p. 223-230
Peer reviewed
 

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Keywords :
seagrass; transplantation; nutrients; NW Mediterranean
Abstract :
[en] Posidonia oceanica shoots sampled from the healthy meadow in the bay of Revelatta (Corsica, France) were transplanted on metallic grids at 10 m depth. Transplanted shoots have been regularly monitored by the measurement of growth, biomass and C, N and P contents in the leaves and the belowground parts. After six months of experiment, the survival rates varied from 14 to 84 % on the different transplantation sites. Leaf biomass on the transplanted cuttings was lower than biomass in the control shoots but root biomass raised from December 2000 to May 2001 on the transplanted shoots. Transplant growth (8,3 +/- 2,3 mm.d(-1).shoot(-1)) after six months was similar to control growth (8,2 +/- 2,8 mm.d(-1). shoot(-1)). The C, N and P contents in transplants were significatively lower than in control shoots suggesting that transplanted cuttings are unable to meet their nutrient requirements. The modifications of the C, N, P contents in the belowground parts of the transplanted shoots indicate a mobilization of these nutrients in those compartments to produce new roots and restore a normal nutrients absorption.
Research center :
MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège
Disciplines :
Environmental sciences & ecology
Aquatic sciences & oceanology
Author, co-author :
Vangeluwe, Denis
Lepoint, Gilles  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Bouquegneau, Jean-Marie ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Gobert, Sylvie  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Océanologie
Language :
French
Title :
Effect of transplantation on Posidonia oceanica shoots
Alternative titles :
[fr] Effet de la transplantation sur la posidonie Posidonia oceanica
Publication date :
December 2004
Journal title :
Vie et Milieu
ISSN :
0240-8759
Publisher :
Observatoire Oceanologique Banyuls, Banyuls-Sur-Mer Cedex, France
Volume :
54
Issue :
4
Pages :
223-230
Peer reviewed :
Peer reviewed
Name of the research project :
Novel Marine Technology (NOMATEC)
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
UE - Union Européenne [BE]
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since 17 March 2010

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