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Auteur (up) Hori, M.; Hamaoka, H.; Hirota, M.; Lagarde, F.; Vaz, S.; Hamaguchi, M.; Hori, J.; Makino, M. doi  openurl
  Titre Application of the coastal ecosystem complex concept toward integrated management for sustainable coastal fisheries under oligotrophication Type Article scientifique
  Année 2018 Publication Revue Abrégée Fish. Sci.  
  Volume 84 Numéro 2 Pages 283-292  
  Mots-Clés carbon; clam; diatoms; fatty-acid analyses; hinase; Indigenous and local knowledge; Integrated coastal management; invertebrates; japan; lagoon; Oyster aquaculture; Seagrass; shifts; stable-isotope  
  Résumé Harmonizing coastal fisheries with water-quality improvement has become an essential factor for the sustainable use of coastal ecosystem services. Here, we present the scope of our study based on an interdisciplinary approach including ecological actions, socio-economic actions and socio-psychological actions. We chose to focus on the interaction between oyster aquaculture and seagrass vegetation as a typical ecological action using the coastal ecosystem complex (CEC) concept. Coastal organisms have adapted their traits to the environment over a long period of time, so that restoration of the CEC represents reconstruction of the original process of coastal production. Subtidal seagrass vegetation with intertidal oyster reefs is the original CEC in Japan, which would be expected to enhance coastal production by improving the production efficiency without adding nutrients. A simple field experiment examining carbon and nitrogen contents and stable isotope ratios revealed that oyster spats cultivated on a tidal flat adjacent to seagrass beds had higher nitrogen contents and higher delta C-13 ratios than spats cultivated in an offshore area using only pelagic production. This result suggests that utilization of the CEC, which enables oysters to use both pelagic and benthic production, has potential to sustain a food provisioning service for humans, even in oligotrophic conditions.  
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  Langue English Langue du Résumé Titre Original  
  Éditeur de collection Titre de collection Titre de collection Abrégé  
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  ISSN 0919-9268 ISBN Médium  
  Région Expédition Conférence  
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  Numéro d'Appel MARBEC @ alain.herve @ collection 2326  
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