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Morrison, Katelin M; Meyer, Heidi Kristina; Roberts, Emyr Martyn; Rapp, Hans Tore; Colaço, Ana; Pham, Christopher Kim (2021): Occurence of sponges and associated fauna on the Schultz Bank (Summit) during GO Sars cruise GS2018108 in 2018 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.927271

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Abstract:
In 2014, two experimental Agassiz trawls were conducted on the Schulz Bank; one at the summit (568–670 m depth) and one on the southwestern flank (1,464 m depth). The 3-m-wide Agassiz trawl, with a 1 cm mesh size in the cod-end, was towed along the seafloor for 676 m on the summit and 441 m on the flank, resulting in a disturbed area of 2,028 and 1,323 m2, for the summit and flank, respectively. Towing speed was maintained at around 2 knots and the initial and final position were recorded. In August 2018, the two trawl marks and four additional control transects (one on either side of the trawl mark) were surveyed while onboard the R/V G.O.Sars. Video recordings were taken along the trawl marks and control transects with the ROV AEGIR6000. Control transects were located 50 m to the east and west of each trawl mark and were performed parallel to the mark.
Keyword(s):
Deep sea; Sponges; trawl
Supplement to:
Morrison, Katelin M; Meyer, Heidi Kristina; Roberts, Emyr Martyn; Rapp, Hans Tore; Colaço, Ana; Pham, Christopher Kim (2020): The First Cut Is the Deepest: Trawl Effects on a Deep-Sea Sponge Ground Are Pronounced Four Years on. Frontiers in Marine Science, 7, https://doi.org/10.3389/fmars.2020.605281
Related to:
Morrison, Katelin M; Meyer, Heidi Kristina; Roberts, Emyr Martyn; Rapp, Hans Tore; Colaço, Ana; Pham, Christopher Kim (2021): Occurence of sponges and associated fauna on the Schultz Bank (Flank) during GO Sars cruise GS2018108 in 2018. PANGAEA, https://doi.org/10.1594/PANGAEA.927269
Funding:
Horizon 2020 (H2020), grant/award no. 679849: Deep-sea Sponge Grounds Ecosystems of the North Atlantic
Coverage:
Median Latitude: 73.828225 * Median Longitude: 7.546236 * South-bound Latitude: 73.826397 * West-bound Longitude: 7.537982 * North-bound Latitude: 73.830309 * East-bound Longitude: 7.554156
Date/Time Start: 2018-08-01T16:33:00 * Date/Time End: 2018-08-01T17:31:00
Minimum Elevation: -580.0 m * Maximum Elevation: -580.0 m
Event(s):
GS2018108-11-ROV-09 * Latitude Start: 73.829900 * Longitude Start: 7.561900 * Latitude End: 73.829900 * Longitude End: 7.561900 * Date/Time Start: 2018-08-01T16:33:00 * Date/Time End: 2018-08-01T17:31:00 * Elevation Start: -580.0 m * Elevation End: -580.0 m * Location: Schultz Bank * Campaign: GS2018108 * Basis: G. O. Sars (2003) * Method/Device: Remote operated vehicle (ROV) * Comment: Deployment of F and J chambers
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
ORDINAL NUMBEROrd NoMorrison, Katelin MGeocode
Device typeDeviceMorrison, Katelin M
Swept areaSwept aream2Morrison, Katelin M
LONGITUDELongitudeMorrison, Katelin MGeocode – mean
LATITUDELatitudeMorrison, Katelin MGeocode – mean
DEPTH, waterDepth watermMorrison, Katelin MGeocode
NumberNoMorrison, Katelin Mof frames
Sediment coverSedi cov%Morrison, Katelin Msoft sediment
Spicule mat, coverSpicule mat cov%Morrison, Katelin M
10 Hard subst, coverHard subst cov%Morrison, Katelin M
11 Actiniaria sp.Actiniaria sp.#/m2Morrison, Katelin MAnemone1
12 Gersemia rubiformisG. rubiformis#/m2Morrison, Katelin M
13 Geodia parvaG. parva#/m2Morrison, Katelin M
14 Stelletta rhaphidiophoraS. rhaphidiophora#/m2Morrison, Katelin M
15 Demospongiae indeterminataDemospongiae indet#/m2Morrison, Katelin MLarge demosponge
16 Polymastia thieleiP. thielei#/m2Morrison, Katelin M
17 Craniella infrequensC. infrequens#/m2Morrison, Katelin M
18 Stylocordyla borealisS. borealis#/m2Morrison, Katelin M
19 Lissodendoryx complicataL. complicata#/m2Morrison, Katelin M
20 Haliclona sp.Haliclona sp.#/m2Morrison, Katelin M
21 Hemigellius sp.Hemigellius sp.#/m2Morrison, Katelin M
22 Hemigellius sp.Hemigellius sp.#/m2Morrison, Katelin Mbarrel number
23 Hexactinellida spp.Hexactinellida spp.#/m2Morrison, Katelin M
24 Hexactinellida sp.Hexactinellida sp.#/m2Morrison, Katelin Mbarrel number
25 Hexactinellida spp.Hexactinellida spp.#/m2Morrison, Katelin Msmall
26 Demospongiae indeterminataDemospongiae indet#/m2Morrison, Katelin MSmall demosponge 10cm
27 Demospongiae indeterminataDemospongiae indet#/m2Morrison, Katelin MMedium demosponge, 10-20cm
28 Demospongiae indeterminataDemospongiae indet#/m2Morrison, Katelin MDemosponge 1
29 Demospongiae indeterminataDemospongiae indet#/m2Morrison, Katelin MDemosponge 2, on large demo
30 Demospongiae indeterminataDemospongiae indet#/m2Morrison, Katelin MDemosponge 4, maybe Polymastia
31 Poraniomorpha tumidaP. tumida#/m2Morrison, Katelin M
32 Solaster sp.Solaster sp.#/m2Morrison, Katelin M
33 Ascidiacea sp.Ascidiacea sp.#/m2Morrison, Katelin Mstar1
34 Ascidiacea sp.Ascidiacea sp.#/m2Morrison, Katelin Mstar2
35 Strongylocentrotus sp.Strongylocentrotus sp.#/m2Morrison, Katelin MUrchin test
36 MacrouridaeMacrouridae#/m2Morrison, Katelin MGrenadier
37 Rajidae, eggsRajidae eggs#/m2Morrison, Katelin M
38 PercentagePerc%Morrison, Katelin Mlis_perc
39 Individuals per areaInd a#/m2Morrison, Katelin Mall_taxa
Size:
1435 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Ord No

Device

Swept area [m2]

Longitude
(mean)

Latitude
(mean)

Depth water [m]

No
(of frames)

Sedi cov [%]
(soft sediment)

Spicule mat cov [%]
10 
Hard subst cov [%]
11 
Actiniaria sp. [#/m2]
(Anemone1)
12 
G. rubiformis [#/m2]
13 
G. parva [#/m2]
14 
S. rhaphidiophora [#/m2]
15 
Demospongiae indet [#/m2]
(Large demosponge)
16 
P. thielei [#/m2]
17 
C. infrequens [#/m2]
18 
S. borealis [#/m2]
19 
L. complicata [#/m2]
20 
Haliclona sp. [#/m2]
21 
Hemigellius sp. [#/m2]
22 
Hemigellius sp. [#/m2]
(barrel number)
23 
Hexactinellida spp. [#/m2]
24 
Hexactinellida sp. [#/m2]
(barrel number)
25 
Hexactinellida spp. [#/m2]
(small)
26 
Demospongiae indet [#/m2]
(Small demosponge 10cm)
27 
Demospongiae indet [#/m2]
(Medium demosponge, 10-20cm)
28 
Demospongiae indet [#/m2]
(Demosponge 1)
29 
Demospongiae indet [#/m2]
(Demosponge 2, on large demo)
30 
Demospongiae indet [#/m2]
(Demosponge 4, maybe Polymastia)
31 
P. tumida [#/m2]
32 
Solaster sp. [#/m2]
33 
Ascidiacea sp. [#/m2]
(star1)
34 
Ascidiacea sp. [#/m2]
(star2)
35 
Strongylocentrotus sp. [#/m2]
(Urchin test)
36 
Macrouridae [#/m2]
(Grenadier)
37 
Rajidae eggs [#/m2]
38 
Perc [%]
(lis_perc)
39 
Ind a [#/m2]
(all_taxa)
1trawl14.527.53913600073.82639675667.622500046.2593.750.010.46830.68870.00000.34440.13770.00001.58400.00000.34440.00000.06890.06890.06890.06890.06895.64742.20390.13770.06890.00000.00000.06890.00000.00000.13770.06890.00000.625022.2452
2trawl15.947.54016700073.82668283655.5750000617.3382.670.06.83811.25470.00000.43910.25090.00001.06650.12550.62740.06270.00000.00000.06270.12550.06274.20330.87830.18820.00000.00000.00000.00000.06270.06270.00000.00000.00000.800016.3112
3trawl15.087.54122466773.82695250641.7133333615.3384.670.04.11140.86210.13260.06630.06630.00000.79580.00000.13260.00000.06630.00000.06630.06630.00003.58090.46420.00000.06630.00000.00000.00000.00000.06630.00000.00000.00000.166710.5438
4trawl15.887.54230400073.82717717629.9200000613.5085.001.55.22671.25940.18890.12590.18890.06300.88160.06300.18890.00000.06300.00000.00000.00000.06304.28210.69270.00000.00000.00000.06300.06300.06300.00000.12590.00000.00000.166713.6020
5trawl13.467.54314560073.82735580619.4740000510.4089.600.04.16050.59440.07430.29720.22290.00001.11440.00000.37150.00000.00000.00000.00000.00000.00004.90340.44580.14860.14860.00000.00000.00000.00000.07430.00000.00000.00000.200012.5557
6trawl13.127.54420820073.82759380605.088000053.0097.000.04.95430.91460.15240.07620.07620.07621.67680.07620.07620.00000.00000.00000.45730.68600.22874.11591.21950.53350.22870.00000.00000.00000.00000.00000.07620.00000.07620.000015.7012
7trawl16.607.54502616773.82779533593.5733333620.6779.330.01.62650.60240.06020.18070.00000.00000.36140.00000.00000.00000.00000.00000.00000.00000.00004.03610.42170.06020.00000.00000.00000.00000.00000.00000.00000.00000.00000.00007.3494
8trawl18.447.54608520073.82809000580.416000058.4091.600.03.57921.68110.27110.32540.32540.00000.37960.00000.00000.05420.00000.00000.00000.00000.00002.27770.43380.27110.00000.05420.00000.00000.00000.00000.05420.00000.00000.00009.7072
9trawl14.757.54651766773.82822567578.290000032.3397.670.05.15251.01690.27120.13560.00000.00000.47460.06780.06780.00000.13560.33900.06780.13560.13561.49150.40680.06780.00000.00000.00000.00000.00000.06780.06780.06780.00000.000010.1695
10trawl14.537.54749966773.82850667576.003333334.6795.330.06.05641.72060.06880.13760.27530.00000.34410.00000.00000.00000.00000.00000.00000.00000.06881.92700.27530.00000.00000.00000.00000.00000.00000.06880.06880.00000.00000.000011.0117
11trawl13.287.54825200073.82871133574.333333332.0098.000.04.89461.73190.07530.00000.07530.00000.37650.07530.00000.00000.00000.00000.00000.00000.00001.12950.00000.15060.00000.00000.00000.07530.00000.00000.07530.00000.07530.33338.7349
12trawl13.537.54888800073.82889267571.270000030.6799.330.04.65632.58680.00000.07390.14780.00000.59130.00000.07390.00000.00000.00000.00000.00000.14782.29120.22170.07390.00000.00000.07390.00000.00000.00000.07390.00000.07390.000011.0865
13trawl15.557.55303966773.82985600585.863333330.6799.330.05.53051.09320.00000.06430.06430.00000.77170.06430.00000.00000.00000.00000.06430.06430.06432.57230.51450.06430.00000.00000.00000.00000.00000.00000.06430.00000.00000.000010.9968
14trawl12.807.55374066773.83003667584.946666730.6799.330.07.50001.40630.07810.46880.31250.07810.93750.00000.70310.00000.00000.00000.07810.15630.00001.79690.23440.07810.00000.00000.07810.00000.00000.00000.07810.00000.07810.666714.0625
15trawl15.117.55415566773.83013633584.093333330.3399.670.016.47922.64730.46330.39710.39710.06621.25740.00000.79420.00000.06620.26470.19850.39710.06621.38980.13240.00000.00000.06620.13240.00000.00000.00000.19850.00000.00001.333325.4136
16ctrl_east14.317.55356333373.82975333584.076666730.00100.000.011.46052.72540.20960.48920.20960.20962.37600.00000.55900.06990.00000.00000.27950.48920.13982.44580.41930.41930.00000.06990.06990.00000.00000.00000.00000.00000.00001.000022.6415
17ctrl_east12.407.55248666773.82947800584.140000030.00100.000.07.98391.85480.16130.24190.00000.00002.50000.00000.96770.08060.00000.00001.77422.17740.08064.43550.08060.40320.00000.16130.24190.00000.08060.00000.08060.00000.00002.000023.3065
18ctrl_east15.507.55114240073.82913120579.540000050.00100.000.013.67742.77420.19350.32260.32260.00004.25810.32262.19350.06450.06450.06451.03231.48390.58064.19350.19350.45160.12900.06450.06450.00000.00000.00000.00000.00000.00003.600032.4516
19ctrl_east12.237.55011975073.82886000569.780000040.00100.000.011.93795.80540.40880.40880.08180.08182.12590.00001.39000.08180.24530.40880.57240.89940.24532.53480.16350.32710.08180.16350.08180.00000.00000.00000.24530.00000.00002.000028.2911
20ctrl_east15.187.54953500073.82870867568.146666730.00100.000.012.91173.68910.19760.32940.32940.00001.31750.13180.26350.00000.13180.19760.46111.11990.19762.17390.06590.26350.00000.06590.19760.00000.00000.00000.13180.00000.00000.666724.1765
21ctrl_east13.717.54767666773.82823733572.226666730.00100.000.019.91254.08460.43760.29180.65650.00001.53170.00000.51060.07290.43761.31290.58350.87530.00002.69880.00000.21880.00000.07290.14590.00000.00000.00000.21880.00000.00001.000034.0627
22ctrl_east14.937.54698633373.82806167573.880000030.00100.000.020.56263.81780.40190.26790.26790.00001.13860.00000.06700.13400.13400.60280.06700.06700.00002.27730.13400.40190.00000.13400.06700.00000.00000.00000.33490.00000.13400.333331.0114
23ctrl_east16.027.54199566773.82679133637.660000030.00100.000.014.79402.43450.06241.06120.12480.00003.24590.12480.99880.18730.06240.37450.37450.43700.18732.18480.12480.81150.12480.31210.00000.00000.00000.06240.18730.06240.06242.000028.4020
24ctrl_west16.457.53798233373.82640133666.813333330.00100.000.014.83281.94530.30400.48630.12160.00002.24920.12160.54710.06080.06080.06080.60791.03340.30402.37080.18240.66870.18240.24320.12160.00000.00000.00000.06080.00000.00001.333326.5653
25ctrl_west17.837.53843675073.82651650664.430000040.7599.250.011.89012.01910.39260.67300.22430.00002.41170.05610.67300.05610.00000.00000.56090.95340.16832.35560.00000.39260.00000.00000.00000.00000.00000.05610.00000.00000.05611.250022.9389
26ctrl_west17.247.53893333373.82664567659.466666730.3399.670.015.08122.20420.81210.00000.00000.00001.56610.29000.17400.00000.00000.00000.58000.92810.11601.85610.11600.29000.00000.00000.05800.00000.00000.00000.11600.00000.00000.666724.1879
27ctrl_west16.897.53973575073.82683125651.582500040.5099.500.014.68323.73000.76970.41440.23680.05921.71700.11840.76970.05920.17760.53290.17760.23680.11842.19060.00000.94730.35520.05920.05920.00000.00000.05920.11840.00000.00001.375027.5903
28ctrl_west14.477.54035075073.82698075645.035000041.0099.000.018.10641.93500.76020.13820.20730.06912.07330.13820.69110.06910.13820.76020.13820.27640.00003.17900.13820.34550.06910.00000.00000.00000.06910.13820.06910.00000.00001.000029.5093
29ctrl_west14.997.54108240073.82716020638.522000050.00100.000.016.61111.53440.40030.00000.13340.00001.73450.00000.13340.00000.13340.33360.00000.00000.13343.13540.20010.53370.00000.06670.00000.00000.00000.06670.00000.00000.06670.200025.2168
30ctrl_west14.987.54197900073.82737475629.097500040.2599.750.021.96262.33640.86780.66760.06680.13351.73560.26700.33380.00000.26700.60080.40050.53400.20032.67020.06680.60080.13350.06680.00000.06680.00000.00000.00000.00000.00000.625033.9786
31ctrl_west18.217.54273150073.82756033620.115000060.5099.500.022.24052.41630.76880.10980.27460.05492.25150.16470.16470.05490.21970.49420.16470.32950.16473.24000.00000.71390.38440.05490.00000.00000.00000.00000.05490.00000.05490.166734.3767
32ctrl_west16.447.54385280073.82783420605.194000051.8098.200.013.26033.10220.36500.24330.12170.18251.15570.00000.06080.00000.00000.00000.00000.00000.12171.94650.36500.48660.24330.00000.00000.00000.00000.12170.24330.00000.06080.000022.0803
33ctrl_west15.797.54476000073.82805800594.868000051.0099.000.020.45605.38320.57000.38000.50660.00001.58330.00000.12670.00000.38001.33000.44330.63330.31673.22990.50661.01330.25330.00000.06330.00000.00000.00000.00000.00000.19000.000037.3654
34ctrl_west16.147.54550175073.82824025587.850000040.2599.750.021.80924.27510.74350.12390.12390.00001.23920.00000.12390.00000.12390.18590.12390.12390.12391.73480.12390.43370.18590.06200.00000.00000.00000.00000.06200.00000.00000.250031.7224
35ctrl_west15.487.54639040073.82845400581.260000050.2099.800.020.80107.04130.64600.25840.25840.19382.06720.00000.45220.00000.19381.09820.25840.51680.19381.67960.25840.45220.06460.58140.00000.00000.06460.00000.00000.00000.06460.400037.1447
36ctrl_west16.147.54797400073.82884375576.592500040.00100.000.016.35695.20450.49570.61960.06200.12392.16850.00000.37170.18590.12390.86740.18590.24780.00002.04460.00000.37170.06200.18590.00000.00000.00000.00000.06200.06200.00000.500029.8017
37ctrl_west12.537.54871166773.82902000572.220000030.00100.000.013.80697.66160.63851.11730.23940.23941.43660.00001.11730.07980.23940.55870.55871.91540.15961.67600.00000.15960.15960.23940.15960.00000.00000.00000.07980.00000.00002.333332.2426
38ctrl_west15.137.55058133373.82948333581.230000030.00100.000.015.46603.70130.66090.85920.13220.00001.58630.00000.99140.06610.19830.52880.79311.45410.46271.45410.19830.72700.39660.19830.19830.00000.00000.00000.00000.00000.00002.166730.0727
39ctrl_west15.897.55237266773.82991633586.880000032.3397.670.014.03401.51040.31470.00000.18880.00002.20260.06290.31470.00000.00000.00000.37761.06990.06291.57330.00000.69230.25170.12590.00000.00000.06290.00000.18880.00000.00000.500023.0334
40ctrl_west14.107.55342700073.83017600586.926666730.00100.000.013.26243.54610.56740.28370.14180.00001.77300.00000.56740.07090.14181.27660.14180.21280.14181.27660.14180.49650.21280.56740.00000.00000.00000.00000.07090.00000.00000.666724.8936
41ctrl_west18.547.55396550073.83030875586.555000040.00100.000.016.66673.77560.48540.75510.05390.05391.77990.10790.32360.10790.05390.05390.59331.07870.05391.72600.10791.02480.16180.10790.00000.00000.00000.05390.00000.05390.00000.625029.1802