Detailed visual seabed survey at drilling site 7218/11-1

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6 References Auster, P.J. 2007. Linking deep-water corals and fish populations. Conservationand Adaptive Managementof Seamountand Deep-water coral ecosystems.Rosensteilschoolof marine andatmosphericsciences.Miami, FL.USA.Pp93-99. Bett, B.J.and Rice,A.L.1992.Theinfluenceof hexactinellidsponge(Pheronemacarpenteri)spicules on the patchydistribution of macrobenthosin the PorcupineSeabight(bathyalNEAtlantic). Ophelia,36:217–226. Beulieu,S.E.,2001.Life on glasshouses.Spongestalk communitiesin the deepsea.Marine Biology 138:803-817. CENFprEN16260 Water quality - Visualseabedsurveysusing remotely operated and/or towed observationgearfor collectionof environmentaldata. DNV2011a. BaselinesurveyDarwin2011.ReportNo.2012-0448 DNV2011b. Visualbaselinesurveyin the BarentsSea2011.ReportNo.2011-1695. DNV2012.Spongeassessmentat Darwin.ReportNo.14L2KD5-2012. Gubbay, S.,2002. OffshoreDirectory:Reviewof a selectionof habitats,communtiesand speciesof the North-EastAtlantic. WWF-UK:North-EastAtlantic Programme. Husebøo,A., Nøttestad,L.,Fosså,J.,Furevik,D., Jørgensen,S.2002.Distribution and abundanceof fish in deep-seacoralhabitats.Hydrobiologia471:91–99. ICES2002.Reportof the WorkingGroupon EcosystemEffectsof Fisheries.Advisory Committeeon Ecosystems. ICESCM2002/ACE:03. Klitgaard,A.B. & Tendal,O.S.(2001).“Ostur”-“cheesebottoms”-spongedominatedareasin Faroese shelf and slope areas. In Marine biological investigationsand assemblagesof benthic invertebratesfrom the FaroeIsland,pp. 13–21. Ed.by G.Gruntseand O.S.Tendal.Kaldbak Marine BiologicalLaboratory,the FaroeIslands. Klitgaard,A.B. (1995). The fauna associatedwith outer shelf and upper slope sponges(Porifera, Demospongiae)at the FaroeIslands,northeasternAtlantic.Sarsia,80:1–22. Konnecker,G. (2002) SpongeFields.In: Gubbay,S. Offshore Directory. Reviewof a selection of habitats,communitiesandspeciesof the North-EastAtlantic.WWF-UK.North-EastAtlantic Programme. Marliave, J.B., Conway, K.W., Gibbs, D.M., Lamb, A., Gibbs, C. 2009. Biodiversity and rockfish recruitment in spongegardensandbiohermsof southernBritishColumbia,Canada.Marine Biology156:2247–2254. Miller, R.J.,Hocevar,J.,Stone,R.,Fedorov,D. 2012.Structure-forming CoralsandSpongesand their use as Fish Habitat in Bering Sea Submarine Canyons. PLoS ONE 7(3): e33885. doi:10.1371/journal.pone.0033885 . Mortensen, P.B.,Buhl-Mortensen, L. 2005. Morphology and growth of the deepwater gorgonians PrimnoaresedaeformisandParagorgiaarborea. MarineBiology147:775–788. OSPARCommission,2008:Descriptionsof habitatson the OSPARlist of threatenedand/or declining speciesandhabitats. Reference2008-07. OSPARCommission,2010. Backgrounddocument for deep sea sponge aggregations.Publication Number: 485/2010, ISBN 978-1-907390-26-5. Available at http://www.ospar.org/documents/dbase/publications/p00485_deep_sea_sp onge_aggrega tions.pdf Rogers, A. 1999.Thebiologyof Lopheliapertusa(Linnaeus1758)and other deepwaterreef-forming coralsand impactsfrom human activities.International Reviewof Hydrobiology.pp 315– 406. Akvaplan-niva AS, 9296 Tromsø 58 www.akvaplan.niva.no
Stone, R.P. 2006.Coralhabitat in the Aleutian Islandsof Alaska:depth distribution, fine-scalespecies associations,andfisheriesinteractions.CoralReefs25:229–238. Detailed site survey at PL531 Darwin Akvaplan-niva AS Rapport 6051 - 1 59
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Detailed visual seabed survey at dr
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Akvaplan -niva AS Rådgivning og fo
Page 6 and 7:
List of figures and tables FIGURE1.
Page 8 and 9:
Preface In August,2012,Akvaplan-niv
Page 10 and 11:
Figure2. ROVtransectsandrecordsof s
Page 12 and 13: 2 Materials and methods 2.1 Vessel
Page 14 and 15: 2.3 Survey track and waypoints Thep
Page 16 and 17: Akvaplan-niva haspreviouslyworked w
Page 18 and 19: Figure7. Over4 tonnesof sponges(pre
Page 20 and 21: Figure10. BarentsSea.Spongebycatchi
Page 22 and 23: Somespongesform densereefs,and prov
Page 24 and 25: Figure14. Photosfrom Mercier(2012)s
Page 26 and 27: Figure16. Imagefrom Salina,2010,cla
Page 28 and 29: It is clear that Cochraneadopted a
Page 30 and 31: 5.2 Seafloor conditions 5.2.1 Sedim
Page 32 and 33: 5.3.2 Plots of sponge distribution
Page 34 and 35: Figure24. Locationof the 30 imagess
Page 36 and 37: Position16. 0-1 % coverage Position
Page 38 and 39: Position15. 1-5 % coverage.Geodiaan
Page 40 and 41: 5.3.3 Overall assessment of sponge
Page 42 and 43: 5.3.5 Dominant sponge species recor
Page 44 and 45: Hymedesmia Hymedesmia Polymastia Po
Page 46 and 47: Figure34. Observationsof the yellow
Page 48 and 49: Figure36. Observationsfor the blues
Page 50 and 51: Figure38. Upper:spottedwolffishrest
Page 52 and 53: Figure40. Largestonein foreground,w
Page 54 and 55: Table 6. Summaryof environmentalcos
Page 56 and 57: 5.4.2.2 Deposition Case 2: to seafl
Page 58 and 59: 5.4.2.4 Deposition Case 7: Depositi
Page 60 and 61: 5.4.3 Comparative assessment Table7
Page 64: Appendices Anelectronicsupplement(o
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Detailed visual seabed survey at drilling site 7218/11-1

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