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Bioremediation of fishpond effluent and production of microalgae for an oyster farm in an innovative recirculating integrated multi-trophic aquaculture system ArchiMer
Li, Meng; Callier, Myriam; Blancheton, Jean-paul; Galès, Amandine; Nahon, Sarah; Triplet, Sebastien; Geoffroy, Thibault; Menniti, Christophe; Fouilland, Eric; Roque D'Orbcastel, Emmanuelle.
Integrated multi-trophic aquaculture (IMTA) systems are a promising solution for sustainable aquaculture combining nutrient recycling with increased biomass production. An innovative land-based recirculating aquaculture system (RAS) was studied in France for a 60-day experiment. It combined a European sea bass (Dicentrarchus labrax) RAS with two other production systems: high rate algal ponds (HRAP) with natural marine polyspecific algal assemblages, and oysters in separate open tanks. The objective was the assessment of: 1) the efficiency and the stability of the microalgae bioremediation of the effluent from a fish RAS in spring and summer, 2) the abundance and the diversity patterns of the microalgae biomass for consumption in the oyster compartment of...
Tipo: Text Palavras-chave: Microalgae; IMTA; Nutrient bioremediation; Community structure; Oysters.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00480/59207/61900.pdf
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Particle assemblage characterization in the Rhone river ROFI ArchiMer
Many, Gael; Bourrin, Francois; Durrieu De Madron, Xavier; Pairaud, Ivane; Gangloff, Aurelien; Doxaran, David; Ody, Anouck; Verney, Romaric; Menniti, Christophe; Le Berre, David; Jacquet, Matthias.
An innovative experiment was carried out in the vicinity of the Rhône River mouth in February 2014. An instrumental package, composed of a CTD, a LISST-100 type B (1.25–250 μm) and a LISST-HOLO (20–2000 μm), was used to characterize the hydrological parameters and suspended particles properties (concentration, size, composition, shape and effective density) in the region of freshwater influence (ROFI) of the Rhône River. Besides, a coastal SLOCUM glider, equipped with a CTD and optical backscattering sensors at several wavelengths, was deployed to detail the spatial description of the hydrological parameters and some particle properties. Large river discharge (annual flood ~ 5000 m3 s− 1) and strong wind conditions favored the dispersal of the river plume...
Tipo: Text Palavras-chave: Gulf of Lions; Rhone River; ROFI; Turbid structures; Particle properties; Glider.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00307/41809/41011.pdf
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Unexpected biotic resilience on the Japanese seafloor caused by the 2011 Tohoku-Oki tsunami ArchiMer
Toyofuku, Takashi; Duros, Pauline; Fontanier, Christophe; Mamo, Briony; Bichon, Sabrina; Buscail, Roselyne; Chabaud, Gerard; Deflandre, Bruno; Goubet, Sarah; Gremare, Antoine; Menniti, Christophe; Fujii, Minami; Kawamura, Kiichiro; Koho, Karoliina Annika; Noda, Atsushi; Namegaya, Yuichi; Oguri, Kazumasa; Radakovitch, Olivier; Murayama, Masafumi; De Nooijer, Lennart Jan; Kurasawa, Atushi; Ohkawara, Nina; Okutani, Takashi; Sakaguchi, Arito; Jorissen, Frans; Reichart, Gert-jan; Kitazato, Hiroshi.
On March 11th, 2011 the Mw 9.0 2011 Tohoku-Oki earthquake resulted in a tsunami which caused major devastation in coastal areas. Along the Japanese NE coast, tsunami waves reached maximum run-ups of 40 m, and travelled kilometers inland. Whereas devastation was clearly visible on land, underwater impact is much more difficult to assess. Here, we report unexpected results obtained during a research cruise targeting the seafloor off Shimokita (NE Japan), shortly (five months) after the disaster. The geography of the studied area is characterized by smooth coastline and a gradually descending shelf slope. Although high-energy tsunami waves caused major sediment reworking in shallow-water environments, investigated shelf ecosystems were characterized by...
Tipo: Text Palavras-chave: Palaeoceanography; Biodiversity.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00248/35914/34453.pdf
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