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RRS James Clark Ross JR15005

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS James Clark Ross (74JC)
Cruise identifierJR15005
Cruise period2016-02-25 — 2016-03-25
StatusCompleted
Port of departureStanley, Falkland Islands (Malvinas)
Port of returnMare Harbour, Falkland Islands (Malvinas)
PurposeResearch
ObjectivesObjectives

1. To find and identify seafloor animals from around the South Orkney Islands and to name and describe any species new to science.
2. To detect any significant differences between the types of species and numbers of animals in different habitats.
3. To identify species that are indicative of specific habitat types to help with future habitat mapping.
4. To map all vulnerable species found and to report their presence and distribution to relevant stakeholders such as CCAMLR.
Chief scientistHuw J Griffiths (British Antarctic Survey)
ProjectSouth Orkneys - State of the Antarctic Ecosystem
Coordinating bodyBritish Antarctic Survey (BAS)
Cruise reportRRS James Clark Ross JR15005 cruise report jr15005.pdf (14.12 MB) 
Ocean/sea areas 
GeneralSouth West Atlantic Ocean (limit 20W)
Southern Ocean
SpecificSouth Orkney Islands Southern Shelf Marine Protected Area (SOISS MPA). South Georgia.
Track chartsRRS James Clark Ross JR15005 cruise track — jr15005trk.pdf (0.05 MB) 
Measurements 
Physical oceanography 
BathythermographQuantity: number of profiles = 5
Description: Expendable Bathythermograph (XBT)
CTD stationsQuantity: number of deployments = 28
Description: Conductivity-Temperature Depth (CTD) recording and discrete Niskin bottle samples to determine pH, alkalinity, dissolved inorganic carbon concentration and carbon isotope signature.
Chemical oceanography 
AlkalinityQuantity: number of deployments = 28
Description: Conductivity-Temperature Depth (CTD) recording and discrete Niskin bottle samples to determine pH, alkalinity, dissolved inorganic carbon concentration and carbon isotope signature.
pHQuantity: number of deployments = 28
Description: Conductivity-Temperature Depth (CTD) recording and discrete Niskin bottle samples to determine pH, alkalinity, dissolved inorganic carbon concentration and carbon isotope signature.
IsotopesQuantity: number of deployments = 28
Description: Conductivity-Temperature Depth (CTD) recording and discrete Niskin bottle samples to determine pH, alkalinity, dissolved inorganic carbon concentration and carbon isotope signature.
Other chemical oceanographic measurementsQuantity: number of deployments = 28
Description: Conductivity-Temperature Depth (CTD) recording and discrete Niskin bottle samples to determine pH, alkalinity, dissolved inorganic carbon concentration and carbon isotope signature.
Biology and fisheries 
ZoobenthosQuantity: number of deployments = 21
Description: Shallow water camera system (SUCS) designed to estimate benthic community density, biomass and taxa abundance. Deployments at 500m, 750m and close to 1000m. SUCS images taken to complement morphological and molecular anaysis of AGT samples.Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough)
ZoobenthosQuantity: number of deployments = 13
Description: Epi-Benthic Sledge (EBS) with 0.5mm net, carrying Deep Water Camera System (DWCS) and CTD. Designed for sampling of epibenthic and suprabenthic organisms. Samples to be preserved and analysed for taxa abundance.
ZoobenthosQuantity: number of deployments = 30
Description: Rauschert Dredge with 0.5mm mesh net attached to Agassiz Trawl (AGT) designed to catch epibenthic organisms and molluscs.Samples to be preserved and analysed for community composition and taxa relationshiops.
ZoobenthosQuantity: number of deployments = 81
Description: Agassiz Trawl (AGT) with 1cm mesh size. At each site deployment of three replicate trawls at shallower depths (500m, 750m and 1000m) and at least one at deeper depths (1500m and 2000m). Samples to be preserved and analysed for taxonomic composition and biomass. Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough), Bruce Bank, Signy.
MolluscsQuantity: number of deployments = 30
Description: Rauschert Dredge with 0.5mm mesh net attached to Agassiz Trawl (AGT) designed to catch epibenthic organisms and molluscs.Samples to be preserved and analysed for community composition and taxa relationshiops.
MolluscsQuantity: number of deployments = 81
Description: Agassiz Trawl (AGT) with 1cm mesh size. At each site deployment of three replicate trawls at shallower depths (500m, 750m and 1000m) and at least one at deeper depths (1500m and 2000m). Samples to be preserved and analysed for taxonomic composition and biomass. Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough), Bruce Bank, Signy.
MolluscsQuantity: number of deployments = 21
Description: Shallow water camera system (SUCS) designed to estimate benthic community density, biomass and taxa abundance. Deployments at 500m, 750m and close to 1000m. SUCS images taken to complement morphological and molecular anaysis of AGT samples.Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough)
CrustaceansQuantity: number of deployments = 81
Description: Agassiz Trawl (AGT) with 1cm mesh size. At each site deployment of three replicate trawls at shallower depths (500m, 750m and 1000m) and at least one at deeper depths (1500m and 2000m). Samples to be preserved and analysed for taxonomic composition and biomass. Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough), Bruce Bank, Signy.
CrustaceansQuantity: number of deployments = 21
Description: Shallow water camera system (SUCS) designed to estimate benthic community density, biomass and taxa abundance. Deployments at 500m, 750m and close to 1000m. SUCS images taken to complement morphological and molecular anaysis of AGT samples.Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough)
Other biological/fisheries measurementQuantity: number of deployments = 30
Description: Rauschert Dredge with 0.5mm mesh net attached to Agassiz Trawl (AGT) designed to catch epibenthic organisms and molluscs.Samples to be preserved and analysed for community composition and taxa relationshiops.
Other biological/fisheries measurementQuantity: number of deployments = 13
Description: Epi-Benthic Sledge (EBS) with 0.5mm net, carrying Deep Water Camera System (DWCS) and CTD. Designed for sampling of epibenthic and suprabenthic organisms. Samples to be preserved and analysed for taxa abundance.
Other biological/fisheries measurementQuantity: number of deployments = 21
Description: Shallow water camera system (SUCS) designed to estimate benthic community density, biomass and taxa abundance. Deployments at 500m, 750m and close to 1000m. SUCS images taken to complement morphological and molecular anaysis of AGT samples.Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough)
Other biological/fisheries measurementQuantity: number of deployments = 81
Description: Agassiz Trawl (AGT) with 1cm mesh size. At each site deployment of three replicate trawls at shallower depths (500m, 750m and 1000m) and at least one at deeper depths (1500m and 2000m). Samples to be preserved and analysed for taxonomic composition and biomass. Sites: 6 locations in relation to the South Orkney Islands (West, South, North, North East, North West, North West Trough), Bruce Bank, Signy.
Other biological/fisheries measurementQuantity: number of recoveries = 5
Description: Kelp raft fauna sampling.Samples to be preserved and taxa identified.
Geology and geophysics 
Multi-beam echosoundingQuantity: activity duration in days = 5
Description: EM122 multibeam bathymetry
Data held at BODC Get data
Series/Profiles 
5  Bathythermograph (MBT/XBT)
Reference numbers
Sound velocity and travel time in the water column
Vertical spatial coordinates
Temperature of the water column
Reference numbers
Sound velocity and travel time in the water column
Vertical spatial coordinates
Temperature of the water column

BODC idDate/TimeLocationDoc.
17967922016-02-27 11:42 56° 53' 51" S  50° 54' 40" W  View metadata report for BODC series reference number 1796792
17967802016-02-26 11:43 53° 26' 1" S  55° 10' 44" W  View metadata report for BODC series reference number 1796780
17968112016-02-28 11:28 61° 1' 2" S  47° 41' 42" W  View metadata report for BODC series reference number 1796811
17968232016-03-19 22:09 58° 33' 17" S  39° 1' 37" W  View metadata report for BODC series reference number 1796823
17968352016-03-20 16:01 55° 27' 46" S  35° 50' 8" W  View metadata report for BODC series reference number 1796835
28  CTD/STD cast
Reference numbers
Transmittance and attenuance of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Temperature of the water column
Salinity of the water column
Visible waveband radiance and irradiance measurements in the water column
Raw oxygen sensor output
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
Reference numbers
Transmittance and attenuance of the water column
Vertical spatial coordinates
Dissolved oxygen parameters in the water column
Temperature of the water column
Salinity of the water column
Visible waveband radiance and irradiance measurements in the water column
Raw oxygen sensor output
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies

BODC idDate/TimeLocationDoc.
18470812016-03-06 10:12 62° 17' 4" S  44° 59' 31" W  View metadata report for BODC series reference number 1847081
18471732016-03-11 06:38 60° 16' 46" S  46° 51' 26" W  View metadata report for BODC series reference number 1847173
18472042016-03-13 12:03 60° 27' 17" S  44° 43' 4" W  View metadata report for BODC series reference number 1847204
18473212016-03-17 08:42 60° 40' 13" S  43° 6' 8" W  View metadata report for BODC series reference number 1847321
18470192016-03-02 10:02 61° 32' 22" S  46° 55' 29" W  View metadata report for BODC series reference number 1847019
18471852016-03-11 14:09 60° 13' 16" S  46° 41' 12" W  View metadata report for BODC series reference number 1847185
18471972016-03-12 20:25 60° 28' 58" S  44° 34' 43" W  View metadata report for BODC series reference number 1847197
18472162016-03-13 16:39 60° 28' 39" S  44° 24' 47" W  View metadata report for BODC series reference number 1847216
18472652016-03-15 09:10 60° 44' 49" S  42° 55' 21" W  View metadata report for BODC series reference number 1847265
18470322016-03-03 07:47 61° 32' 34" S  47° 12' 17" W  View metadata report for BODC series reference number 1847032
18471482016-03-10 07:33 60° 19' 16" S  46° 45' 51" W  View metadata report for BODC series reference number 1847148
18471612016-03-10 16:51 60° 22' 19" S  46° 30' 10" W  View metadata report for BODC series reference number 1847161
18472282016-03-14 08:21 60° 27' 36" S  44° 18' 15" W  View metadata report for BODC series reference number 1847228
18470562016-03-04 03:19 61° 34' 0" S  47° 24' 50" W  View metadata report for BODC series reference number 1847056
18470682016-03-05 20:07 62° 10' 11" S  44° 58' 50" W  View metadata report for BODC series reference number 1847068
18471242016-03-09 20:24 60° 24' 50" S  46° 35' 54" W  View metadata report for BODC series reference number 1847124
18471362016-03-10 06:21 60° 21' 27" S  46° 41' 8" W  View metadata report for BODC series reference number 1847136
18472892016-03-16 08:08 60° 41' 27" S  42° 34' 32" W  View metadata report for BODC series reference number 1847289
18473082016-03-16 22:19 60° 42' 21" S  42° 58' 26" W  View metadata report for BODC series reference number 1847308
18470442016-03-03 19:56 61° 31' 59" S  47° 23' 29" W  View metadata report for BODC series reference number 1847044
18470932016-03-06 16:46 62° 19' 20" S  44° 34' 18" W  View metadata report for BODC series reference number 1847093
18471002016-03-08 05:34 62° 39' 21" S  45° 39' 3" W  View metadata report for BODC series reference number 1847100
18472412016-03-14 09:58 60° 26' 36" S  44° 18' 32" W  View metadata report for BODC series reference number 1847241
18472902016-03-16 18:57 60° 36' 32" S  42° 49' 49" W  View metadata report for BODC series reference number 1847290
18470202016-03-02 20:42 61° 32' 44" S  47° 8' 12" W  View metadata report for BODC series reference number 1847020
18471122016-03-09 10:37 60° 31' 55" S  46° 28' 54" W  View metadata report for BODC series reference number 1847112
18472532016-03-14 23:11 60° 45' 34" S  42° 58' 5" W  View metadata report for BODC series reference number 1847253
18472772016-03-15 19:26 60° 43' 47" S  42° 59' 15" W  View metadata report for BODC series reference number 1847277
Discrete samples 
28  CTD frame plus rosette sampler
5  Expendable Bathythermograph