Ferrier-Pagès, C. (Christine)

Gili, J.M. (Josep Maria)

Gori, A. (Andrea)

Lo-Iacono, C. (Claudio)

Madurell, T. (Teresa)

Movilla-Martín, J. (Juancho)

Naumann, M.S. (Malik S.)

Olariaga, A. (Alejandro)

Orejas, C. (Covadonga)

Puig, P. (Pere)

Reynaud, S. (Stéphanie)

Tsounis, G. (Georgios)

English

Gili, J.M. (Josep María)

Repositorio Institucional Digital del IEO

Cold-water coral ecology in the Cap de Creus submarine canyon (Northwestern Mediterranean):7 years of multidisciplinary researchC Orejas, A Gori , C Ferrier-Pagès, C Lo Iacono, P Puig, MS Naumann,J Movilla, G Tsounis, S Reynaud, A Olariaga, T Madurell & JM GiliThe Cap de Creus: the eastern most point of the Iberian peninsulaCap de Creus light houseThe Cap de Creus: from the shallow to the deepThree D bathymetry: AOA Geophysics , FUGRO, UB 2004     I    Lo Iacono et al. 2012 The Cap de Creus: from the shallow to the deepResearch in shallow waters (0 – 40 m depth)The Cap de Creus: from the shallow to the deepResearch at intermediate depths (40 – 150 m depth)The Cap de Creus: from the shallow to the deepResearch in the canyon (150 – 400 m depth)Jacques Piccard(1922-2008)We have not been the first ones …Jean Marie Pérès (1915 - 1988 )We have not been the first ones …Bionomie benthique du plateau continental de la côte catalane espagnole Daniel ReyssReyss 1972-73Desbruyères et al. 1972-73  Daniel DesbruyèresLes cayons sous-marins de la mer catalane. Le rech du Cap et le rech Lacaze-DuthiersT TOur 7 years research in the Cap de Creus canyonTechnical advances Team workOceanographersGeologist Plankton taxonomists and ecologistsROVsBenthos ecologistsBenthos taxonomistsSubmersiblesNew sampling devicesTechniciansOur first “deep” expedition in the catalan deep shelf 2003First observations of Cold-Water corals in the shelf edgeRossi & Gili 2003, Project “Red coral”, Generalitat CatalunyaThe Cap de creus submarine canyon : main current direction and featuresThree D bathymetry: AOA Geophysics , FUGRO, UB 2004     I    Lo Iacono et al. 2012 95 km length (canyon axis)2.7 miles from the coastMax Depth: 2150 mOceanographySediment trapsTemperatureMooring deployment inCap de Creus canyonPalanques et al. 2006   I   Canals et al. 2006   I   Puig et al. 2008  I   Ribó et al. 2011Current metersEuroSTRATAFORM, HERMES, HERMIONECascading episodes  in Cap de Creus canyon registered from 2004 to 2011OceanographyQuick temperature decrease (3ºC) in few daysHigh current speeds (up to 90 cm/s)Palanques et al. 2006   I   Canals et al. 2006   I   Puig et al. 2008  I   Ribó et al. 2011C/N ratio as indicative ofthe “quality” of the suspendedmatterWater column analysesWater column characterization: nutrients, POC, PON, temperature, salinity, Chla …C/N <10  “Fresh material”Apr-06Oct-06Jul-06SurfaceNearSeafloor0 5 10 15 20 25C/NPlankton community near the sea floorSubmarine Associated Multi Filtration Pump (SAMFP)Plankton near the sea floor, community compositionMadurell et al.  J Plank Res submitted…the never ending possibilities of underwater video imagesVideo surveys (ROVs and JAGO)Benthic communities: occurrence, composition, abundances…Focus on Cold-Water coral communitiesCoral occurrence, distribution and abundanceHERMES, DEEP CORAL  (2005 – 2007)Orejas et al. 2009   I   Gori et al. in prep.HERMES, DEEP CORAL  (2005 – 2007)Coral occurrence, distribution and abundanceWhere?How many?Distribution pattern?Substrate?Orejas et al. 2009Coral size structure and morphology“Cauliflower” colonies“Fan-shape” coloniesGori et al. in prepFish community associated to CWCsScyliorhinus caniculaPhycis blennoidesDe Lucia  et al. in prep.Epigonus telescopusLepidopus caudatusConger congerCapros aperCoelorhynchus caelorinchusHelicolenus dactylopterusDifferent fish community in rocky and sandy substrates in the canyonHabitat mapping (shallow benthic habitats)Sardá et al. 2012Litoral benthic bionomie for the 0-60 m zone in Cap de CreusHabitat mapping (continental shelf )Lo Iacono et al. 2012Cold-Water Coral sampling and maintenanceSelective samplingLophelia pertusa, Madrepora oculata, Dendrophyllia cornigera and Desmophyllum dianthus in aquaria since 2006!Aquaria facilities for CWCsOlariaga et al. 2009Lophelia pertusaMadrepora oculataCold-Water Coral ecophysiologyHERMES, DEEP CORAL , HERMIONE (2005 - 2012)Dendrophyllia cornigeraDesmophyllum dianthusCold-Water Coral ecophysiology (growth)M. oculata (n= 17)0.014 ±0.007 mm d-1L. pertusa (n=10)0.024 ±0.018 mm d-1Orejas et al. 2008,  2011aCold-Water Coral ecophysiology (growth)0.040.080.120.16Growth rate (% d-1)**Orejas et al. 2011a0Growth rate (% dMadrepora oculataLophelia pertusaDendrophyllia cornigera Desmophyllum dianthusM. oculata growth rate significantly higher  than for the other 3 CWC species.n= 10 n= 8 n= 3 n= 8Cold-Water Coral ecophysiology (feeding)1210864Nº Artemia  polyp -1 h -1400350300250Nº Artemia nauplii  polyp -1 h -1200150n= 4 n= 4 Tsounis et al. 201002Madrepora oculataDendrophyllia cornigeraLophelia pertusaDesmophyllum dianthusDifferent capture rates  for different prey size among  the four speciesMadrepora oculataDendrophyllia cornigeraLophelia pertusaDesmophyllum dianthus100500Cold-Water Coral ecophysiology (feeding)43210Respiration (µmol C cm-2 day -1)FedUnfedNaumann et al. 201150040302010Calcification (µmol Ca CO3 g-1 day -1)0 1 2 3Zooplankton exclusion (weeks)*Evidence for the principal trophic significance of zooplankton feeding in fuelling and sustaining levels of CWC key physiological processesDesmophyllum dianthusCold-Water Coral ecophysiology        (response to environmental conditions)Naumann et al. in prep12.5 º C 17.5 º CAmbient ElevatedGrowth % d-10.00.30.20.117.5 º CCold-Water Coral ecophysiology        (response to environmental conditions)Naumann et al. in  prep12.5 º C 17.5 º CAmbient ElevatedGrowth % d-10.00.30.20.10.00.30.20.112.5 º C 17.5 º CAmbient ElevatedSoda limeCO2Cold-Water Coral ecophysiology (effects of acidification)Movilla et al. in prep.Current pH Future pHExperimental set-up• Aquaria control (current pH = 8.12)• Aquaria treatment (future pH scenario = 7.84)• Temperature: 12º C / No Light / Same feedingCold-Water Coral ecophysiology (effects of acidification)Dendrophyllia cornigera Lophelia pertusaLow pHLow pHMovilla et al. in prep.DaysDesmophyllum dianthus Madrepora oculataLow pH Low pHWhats going on …• Ecophysiological responses of CWC to different seawater temperatures (Andrea Gori et al.)• Development of  a geospatial analysis for predictive mapping (Claudio Lo Iacono et al.)  Ale JordiÀngelAndrea LorenzoThis work has been and is being possible thanks to a great and very large team!MalikJürgen, Karen& JAGOTeresaEva CovaJuanchoCarles Christine Cécile Josep MariaPere Arturo & all UTM guysETC, ETC...ClaudioMany studentsGarcía del Cid cap, officers and crewPabloThanks also to...People from different Institutions who generously share knowledge, experience  and friendship with us during all these years :Autun Purser Murray RobertsAndré FreiwaldNorbert FrankCarlos JiménezHelmuth ZibrowiusFrancesc PagèsChristian DulloJAGO IFM-GEOMARAndrea de LuciaInken SuckJulian GuttThomas LundälvPål MortensenJan Helge FossåClaudia WienbergMarina CarreiroWerner DimmlerBego VendrellArmin FormSergio RossiPedro SilesFIELAXDIVING CENTER CADAQUÉSINSTALSUBNuria Viladrich ...and more !!Mikael DahlThanks to many research Institutes, Institutions, and projects which support our workASSEMBLESAMSThank you for your attention!visit www.lophelia.org

Cold-water coral ecology in the Cap de Creus submarine canyon (northwestern Mediterranean): 7 years of multidisciplinary research

http://www.repositorio.ieo.es/e-ieo/bitstream/10508/6406/1/ISDSC_2012_Orejas%20et%20al_060412.pdf

Cold-water coral ecology in the Cap de Creus submarine canyon (northwestern Mediterranean): 7 years of multidisciplinary research

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