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Kress, Timm; Hussel, Birgit; Kadel, Petra; Asmus, Harald; Asmus, Ragnhild; Rick, Johannes J; Wiltshire, Karen Helen (2022): Clupeidae larvae in the Sylt Rømø bight in 2021 [dataset]. Alfred Wegener Institute - Wadden Sea Station Sylt, PANGAEA, https://doi.org/10.1594/PANGAEA.948892, In: Asmus, Harald; Hussel, Birgit; Kadel, Petra; Asmus, Ragnhild; Rick, Johannes J; Wiltshire, Karen Helen (2020): Fish monitoring in the Sylt Rømø bight (2007 et seq) [dataset publication series]. Alfred Wegener Institute - Wadden Sea Station Sylt, PANGAEA, https://doi.org/10.1594/PANGAEA.911261

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Abstract:
Due to changing temperature regimes in the North- and the Wadden Sea, a fish survey in the Sylt Rømø bight (SRB) was established in 2007 for at least ten years. The aim is to investigate the Wadden Sea fish fauna with special interest in changes of migration behavior, species composition and feeding habits. Since 2021 an assessment of the epibenthic species in the net hauls was included. Seven stations are sampled monthly inside the SRB. Two additional stations, one outside the bight, one close to the Danish border are sampled as references four times a year. For sampling a mini bottom trawl, total length 17 m, trawl opening 7 m, height 3 m with a mesh size of 36 mm in the wings, 16 mm in the mid part and 6 mm in the cod end is used. At every station one haul in the water column and another at the bottom are sampled, for 15 minutes at a speed of approximately 2 knots. The data will help to give a more detailed picture of food chains and energy flows inside the Wadden Sea.
Keyword(s):
fish monitoring; Sylt Roads; Wadden Sea
Coverage:
Median Latitude: 55.002815 * Median Longitude: 8.483864 * South-bound Latitude: 54.936717 * West-bound Longitude: 8.349317 * North-bound Latitude: 55.067967 * East-bound Longitude: 8.579800
Date/Time Start: 2021-01-26T12:19:27 * Date/Time End: 2021-10-19T08:34:20
Event(s):
Sylt_trawl * Latitude: 55.070000 * Longitude: 8.450000 * Location: Sylt, Rømø bight, North Sea * Campaign: LTER_Sylt_Trawl (Fish Monitoring) * Basis: Mya II * Method/Device: Trawl net (TRAWL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
Sample code/labelSample labelAsmus, Harald
LATITUDELatitudeAsmus, HaraldGeocode – start of trawl
LONGITUDELongitudeAsmus, HaraldGeocode – start of trawl
Latitude 2Latitude 2Asmus, Haraldend of trawl
Longitude 2Longitude 2Asmus, Haraldend of trawl
Depth, bathymetricBathy depthmAsmus, Haraldstart of trawl
Depth, bathymetricBathy depthmAsmus, Haraldend of trawl
DATE/TIMEDate/TimeAsmus, HaraldGeocode – start of trawl
DATE/TIMEDate/TimeAsmus, HaraldGeocode – end of trawl
10 HabitatHabitatAsmus, HaraldQuantitative fish monitoring, Sylt Roads
11 MassMassgAsmus, HaraldQuantitative fish monitoring, Sylt Roadstotal
12 MassMassgAsmus, HaraldQuantitative fish monitoring, Sylt Roadssubsample
13 Clupeidae, larvae, total lengthClupeidae larv TLmmAsmus, HaraldQuantitative fish monitoring, Sylt Roads
14 Clupeidae, larvaeClupeidae larv#Asmus, HaraldQuantitative fish monitoring, Sylt Roads
15 SalinitySalAsmus, HaraldPSU
16 Temperature, waterTemp°CAsmus, Haraldat surface
17 CommentCommentAsmus, Harald
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
882 data points

Data

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


Sample label

Latitude
(start of trawl)

Longitude
(start of trawl)

Latitude 2
(end of trawl)

Longitude 2
(end of trawl)

Bathy depth [m]
(start of trawl)

Bathy depth [m]
(end of trawl)

Date/Time
(start of trawl)

Date/Time
(end of trawl)
10 
Habitat
11 
Mass [g]
(total)
12 
Mass [g]
(subsample)
13 
Clupeidae larv TL [mm]
14 
Clupeidae larv [#]
15 
Sal
(PSU)
16 
Temp [°C]
(at surface)
17 
Comment
Sylt-4 trawl 154.9917678.43393354.9837008.4421679.511.02021-01-26T12:19:272021-01-26T12:34:27Pelagic40127.823.2
Sylt-2 trawl 255.0201008.45363355.0231338.45656711.310.12021-02-23T07:14:592021-02-23T07:29:23Pelagic40128.641.0
Sylt-1 trawl 255.0566508.43100055.0524678.4457006.711.72021-02-23T08:49:162021-02-23T09:04:16Benthic401230.351.7
Sylt-1 trawl 255.0566508.43100055.0524678.4457006.711.72021-02-23T08:49:162021-02-23T09:04:16Pelagic404930.351.7
Sylt-8 trawl 155.0679678.34931755.0673508.3630007.98.92021-02-23T10:14:562021-02-23T10:29:27Pelagic40430.801.4
Sylt-9 trawl 155.0002678.49028354.9960508.4966338.57.62021-02-23T11:20:372021-02-23T11:35:10Pelagic40128.781.1
Sylt-10 trawl 254.9946008.56270054.9909508.5713679.47.72021-02-23T11:55:582021-02-23T12:10:58Pelagic40128.521.4
Sylt-10 trawl 254.9893008.57530054.9960838.5575676.08.72021-02-23T12:23:162021-02-23T12:38:23Benthic40228.521.4
Sylt-9 trawl 154.9954338.49956755.0030678.4870508.39.02021-02-23T13:00:522021-02-23T13:14:39Benthic40228.761.5
Sylt-4 trawl 254.9835338.44335054.9936008.43270011.58.32021-02-23T14:15:342021-02-23T14:30:32Benthic40328.641.9
Sylt-7 trawl 254.9367178.39603354.9451178.4086501.11.52021-02-23T15:46:102021-02-23T16:01:15Benthic40127.883.2
Sylt-2 trawl 355.0201338.45465055.0299838.46885010.36.92021-03-17T07:12:052021-03-17T07:27:24Benthic455428.494.4
Sylt-1 trawl 355.0526338.44386755.0569678.4303839.46.52021-03-17T07:51:252021-03-17T08:06:25Pelagic454928.854.2
Sylt-10 trawl354.9958178.55926754.9921338.5686677.67.32021-03-17T09:22:302021-03-17T09:38:30Pelagic405925.204.9
Sylt-10 trawl 354.9889838.57591754.9944508.5569004.67.92021-03-17T09:50:032021-03-17T10:05:05Benthic226.06.04011425.594.9
Sylt-10 trawl 354.9889838.57591754.9944508.5569004.67.92021-03-17T09:50:032021-03-17T10:05:05Benthic226.06.0453825.594.9
Sylt-2 trawl 355.0300838.46338355.0238008.4556839.311.02021-03-17T10:37:102021-03-17T10:53:13Pelagic4523428.514.6
Sylt-5 trawl 354.9948338.42723354.9846678.4373673.74.22021-03-17T11:25:472021-03-17T11:40:23Benthic79.08.035128.704.7
Sylt-5 trawl 354.9948338.42723354.9846678.4373673.74.22021-03-17T11:25:472021-03-17T11:40:23Benthic79.08.0403228.704.7
Sylt-5 trawl 354.9948338.42723354.9846678.4373673.74.22021-03-17T11:25:472021-03-17T11:40:23Benthic79.08.045328.704.7
Sylt-4 trawl 354.9836678.44160054.9836678.4416009.29.42021-03-17T12:01:442021-03-17T12:16:51Pelagic4529428.684.7
Sylt-2 trawl 455.0211178.45590055.0257338.46151711.110.72021-04-21T06:25:072021-04-21T06:40:07Benthic771.028.025329.178.1
Sylt-2 trawl 455.0211178.45590055.0257338.46151711.110.72021-04-21T06:25:072021-04-21T06:40:07Benthic771.028.0301129.178.1
Sylt-2 trawl 455.0211178.45590055.0257338.46151711.110.72021-04-21T06:25:072021-04-21T06:40:07Benthic771.028.035729.178.1
Sylt-2 trawl 455.0211178.45590055.0257338.46151711.110.72021-04-21T06:25:072021-04-21T06:40:07Benthic771.028.0401229.178.1
Sylt-2 trawl 455.0211178.45590055.0257338.46151711.110.72021-04-21T06:25:072021-04-21T06:40:07Benthic771.028.0452329.178.1
Sylt-2 trawl 455.0211178.45590055.0257338.46151711.110.72021-04-21T06:25:072021-04-21T06:40:07Benthic771.028.050329.178.1
Sylt-2 trawl 455.0279508.46175055.0198508.4540838.911.32021-04-21T06:53:512021-04-21T07:08:53Pelagic693.070.7302329.138.1
Sylt-2 trawl 455.0279508.46175055.0198508.4540838.911.32021-04-21T06:53:512021-04-21T07:08:53Pelagic693.070.73524729.138.1
Sylt-2 trawl 455.0279508.46175055.0198508.4540838.911.32021-04-21T06:53:512021-04-21T07:08:53Pelagic693.070.7404029.138.1
Sylt-2 trawl 455.0279508.46175055.0198508.4540838.911.32021-04-21T06:53:512021-04-21T07:08:53Pelagic693.070.7453929.138.1
Sylt-2 trawl 455.0279508.46175055.0198508.4540838.911.32021-04-21T06:53:512021-04-21T07:08:53Pelagic693.070.750329.138.1
Sylt-10 trawl 454.9936338.56468354.9883178.5765008.54.72021-04-21T08:10:302021-04-21T08:25:41Pelagic460.060.525428.608.7
Sylt-10 trawl 454.9936338.56468354.9883178.5765008.54.72021-04-21T08:10:302021-04-21T08:25:41Pelagic460.060.5304928.608.7
Sylt-10 trawl 454.9936338.56468354.9883178.5765008.54.72021-04-21T08:10:302021-04-21T08:25:41Pelagic460.060.5352428.608.7
Sylt-10 trawl 454.9936338.56468354.9883178.5765008.54.72021-04-21T08:10:302021-04-21T08:25:41Pelagic460.060.5402928.608.7
Sylt-10 trawl 454.9936338.56468354.9883178.5765008.54.72021-04-21T08:10:302021-04-21T08:25:41Pelagic460.060.5457328.608.7
Sylt-10 trawl 454.9936338.56468354.9883178.5765008.54.72021-04-21T08:10:302021-04-21T08:25:41Pelagic460.060.5502428.608.7
Sylt-10 trawl 454.9885008.57671754.9953008.5627836.07.52021-04-21T08:35:002021-04-21T08:50:09Benthic36628.608.7many escaped through the mashes
Sylt-4 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic30328.138.9
Sylt-4 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic35328.138.9
Sylt-4 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic40328.138.9
Sylt-4 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic45228.138.9
Sylt-4 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic50328.138.9
Sylt-5 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic2837.095.630628.559.5
Sylt-5 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic2837.095.6351228.559.5
Sylt-5 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic2837.095.6401828.559.5
Sylt-5 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic2837.095.6452428.559.5
Sylt-5 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic2837.095.6509728.559.5
Sylt-5 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic2837.095.6552428.559.5
Sylt-7 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic894.4177.3304028.3410.2
Sylt-7 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic894.4177.3355328.3410.2
Sylt-7 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic894.4177.3407928.3410.2
Sylt-7 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic894.4177.34511928.3410.2
Sylt-7 trawl 454.9900508.43648354.9848678.4431177.910.52021-04-21T09:42:362021-04-21T09:57:55Benthic894.4177.35010528.3410.2
Sylt-4 trawl 454.9834178.44276754.9933338.43246711.48.82021-04-21T10:07:192021-04-21T10:24:49Pelagic351128.628.7
Sylt-4 trawl 454.9834178.44276754.9933338.43246711.48.82021-04-21T10:07:192021-04-21T10:24:49Pelagic401928.628.7
Sylt-4 trawl 454.9834178.44276754.9933338.43246711.48.82021-04-21T10:07:192021-04-21T10:24:49Pelagic451028.628.7
Sylt-4 trawl 454.9834178.44276754.9933338.43246711.48.82021-04-21T10:07:192021-04-21T10:24:49Pelagic505628.628.7
Sylt-10 trawl 554.9942678.56338354.9888838.5756177.03.82021-06-29T10:52:022021-06-29T11:07:12Benthic45328.3919.1
Sylt-10 trawl 654.9939008.56408354.9908678.5719676.85.42021-07-27T08:54:102021-07-27T09:09:13Pelagic20527.8221.4
Sylt-10 trawl 654.9939008.56408354.9908678.5719676.85.42021-07-27T08:54:102021-07-27T09:09:13Pelagic25927.8221.4
Sylt-10 trawl 654.9939008.56408354.9908678.5719676.85.42021-07-27T08:54:102021-07-27T09:09:13Pelagic301627.8221.4
Sylt-10 trawl 654.9939008.56408354.9908678.5719676.85.42021-07-27T08:54:102021-07-27T09:09:13Pelagic352027.8221.4
Sylt-10 trawl 654.9939008.56408354.9908678.5719676.85.42021-07-27T08:54:102021-07-27T09:09:13Pelagic40227.8221.4
Sylt-10 trawl 654.9870678.57980054.9939338.5639834.06.82021-07-27T09:23:092021-07-27T09:38:55Benthic220.019.025427.2421.8
Sylt-10 trawl 654.9870678.57980054.9939338.5639834.06.82021-07-27T09:23:092021-07-27T09:38:55Benthic220.019.0304027.2421.8
Sylt-10 trawl 654.9870678.57980054.9939338.5639834.06.82021-07-27T09:23:092021-07-27T09:38:55Benthic220.019.0352727.2421.8
Sylt-10 trawl 654.9870678.57980054.9939338.5639834.06.82021-07-27T09:23:092021-07-27T09:38:55Benthic220.019.0401827.2421.8
Sylt-2 trawl 655.0271178.46485055.0192838.4537679.58.42021-07-27T10:22:032021-07-27T10:37:19Pelagic255
Sylt-2 trawl 655.0271178.46485055.0192838.4537679.58.42021-07-27T10:22:032021-07-27T10:37:19Pelagic304
Sylt-2 trawl 655.0271178.46485055.0192838.4537679.58.42021-07-27T10:22:032021-07-27T10:37:19Pelagic353
Sylt-2 trawl 655.0271178.46485055.0192838.4537679.58.42021-07-27T10:22:032021-07-27T10:37:19Pelagic401
Sylt-2 trawl 655.0271178.46485055.0192838.4537679.58.42021-07-27T10:22:032021-07-27T10:37:19Pelagic451
Sylt-4 trawl 654.9853008.43960054.9871178.4388177.78.52021-07-27T11:23:392021-07-27T11:37:21Pelagic23.00.6353
Sylt-4 trawl 654.9853008.43960054.9871178.4388177.78.52021-07-27T11:23:392021-07-27T11:37:21Pelagic402
Sylt-10 trawl 754.9936508.56658354.9866678.5805175.05.12021-09-07T10:37:502021-09-07T10:52:04Benthic451330.0817.6
Sylt-10 trawl 754.9936508.56658354.9866678.5805175.05.12021-09-07T10:37:502021-09-07T10:52:04Benthic501230.0817.6
Sylt-10 trawl 754.9936508.56658354.9866678.5805175.05.12021-09-07T10:37:502021-09-07T10:52:04Benthic55130.0817.6
Sylt-10 trawl 754.9936508.56658354.9866678.5805175.05.12021-09-07T10:37:502021-09-07T10:52:04Benthic60230.0817.6
Sylt-1 trawl 755.0528508.44448355.0534178.44303310.510.42021-10-19T07:53:472021-10-19T08:08:05Pelagic45129.7111.9
Sylt-1 trawl 755.0561838.43338355.0512508.4510507.013.62021-10-19T08:21:462021-10-19T08:34:20Benthic35129.9412.1