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Kress, Timm; Hussel, Birgit; Kadel, Petra; Asmus, Harald; Asmus, Ragnhild; Rick, Johannes J; Wiltshire, Karen Helen (2022): Rare benthic epifauna in the Sylt Rømø bight in 2021 [dataset]. Alfred Wegener Institute - Wadden Sea Station Sylt, PANGAEA, https://doi.org/10.1594/PANGAEA.948929, 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
Project(s):
Macrobenthic long-term series in the German Bight (LTER_Benthos)
Coverage:
Median Latitude: 54.990000 * Median Longitude: 8.485260 * South-bound Latitude: 54.935467 * West-bound Longitude: 8.395117 * North-bound Latitude: 55.056583 * East-bound Longitude: 8.582600
Date/Time Start: 2021-02-23T12:23:16 * Date/Time End: 2021-09-07T11:19:00
Event(s):
Sylt_trawl * Latitude: 55.070000 * Longitude: 8.450000 * Location: Sylt, Rømø bight, North Sea * Campaign: Long-term time series Sylt * Method/Device: Trawl net (TRAWL)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample code/labelSample labelAsmus, Harald
2 LATITUDELatitudeAsmus, HaraldGeocode – start of trawl
3 LONGITUDELongitudeAsmus, HaraldGeocode – start of trawl
4 Latitude 2Latitude 2Asmus, Haraldend of trawl
5 Longitude 2Longitude 2Asmus, Haraldend of trawl
6 Depth, bathymetricBathy depthmAsmus, Haraldstart of trawl
7 Depth, bathymetricBathy depthmAsmus, Haraldend of trawl
8 DATE/TIMEDate/TimeAsmus, HaraldGeocode – start of trawl
9 DATE/TIMEDate/TimeAsmus, HaraldGeocode – end of trawl
10 HabitatHabitatAsmus, HaraldQuantitative fish monitoring, Sylt Roads
11 MassMassgAsmus, HaraldQuantitative fish monitoring, Sylt Roadstotal
12 SpeciesSpeciesAsmus, HaraldQuantitative fish monitoring, Sylt Roads
13 Length, totalTLmmAsmus, HaraldQuantitative fish monitoring, Sylt Roads
14 FrequencyFrequency#Asmus, HaraldQuantitative fish monitoring, Sylt Roads
15 SalinitySalAsmus, HaraldPSU
16 Temperature, waterTemp°CAsmus, Haraldat surface
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
145 data points

Data

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

1 
Sample label		2 
Latitude
(start of trawl)		3 
Longitude
(start of trawl)		4 
Latitude 2
(end of trawl)		5 
Longitude 2
(end of trawl)		6 
Bathy depth [m]
(start of trawl)		7 
Bathy depth [m]
(end of trawl)		8 
Date/Time
(start of trawl)		9 
Date/Time
(end of trawl)		10 
Habitat		11 
Mass [g]
(total)		12 
Species		13 
TL [mm]		14 
Frequency [#]		15 
Sal
(PSU)		16 
Temp [°C]
(at surface)
Sylt-10 trawl 254.9893008.57530054.9960838.5575676.08.72021-02-23T12:23:162021-02-23T12:38:23BenthicLittorina littorea128.521.4
Sylt-10 trawl 254.9893008.57530054.9960838.5575676.08.72021-02-23T12:23:162021-02-23T12:38:23BenthicHyas araneus128.521.4
Sylt-10 trawl 254.9893008.57530054.9960838.5575676.08.72021-02-23T12:23:162021-02-23T12:38:23Benthic300Buccinum undatum528.521.4
Sylt-9 trawl 154.9954338.49956755.0030678.4870508.39.02021-02-23T13:00:522021-02-23T13:14:39Benthic260Cancer pagurus125128.761.5
Sylt-4 trawl 254.9835338.44335054.9936008.43270011.58.32021-02-23T14:15:342021-02-23T14:30:32BenthicLittorina littorea128.641.9
Sylt-4 trawl 254.9835338.44335054.9936008.43270011.58.32021-02-23T14:15:342021-02-23T14:30:32Benthic40Hyas araneus128.641.9
Sylt-7 trawl 254.9367178.39603354.9451178.4086501.11.52021-02-23T15:46:102021-02-23T16:01:15BenthicLittorina littorea127.883.2
Sylt-1 trawl 355.0565838.43120055.0515008.4471175.310.62021-03-17T08:20:172021-03-17T08:35:24Benthic470Cancer pagurus128.754.2
Sylt-1 trawl 355.0565838.43120055.0515008.4471175.310.62021-03-17T08:20:172021-03-17T08:35:24BenthicOphiura ophiura128.754.2
Sylt-7 trawl 354.9450338.40863354.9356338.3954002.21.82021-03-17T13:07:082021-03-17T13:22:04BenthicHemigrapsus328.764.7
Sylt-10 trawl 454.9885008.57671754.9953008.5627836.07.52021-04-21T08:35:002021-04-21T08:50:09BenthicBuccinum undatum128.608.7
Sylt-2 trawl 555.0252678.45996755.0270008.46071710.37.72021-06-29T07:03:302021-06-29T07:19:01BenthicCancer pagurus128.0019.1
Sylt-7 trawl 554.9354678.39511754.9438338.4046330.80.62021-06-30T11:27:092021-06-30T11:42:15BenthicHemigrapsus128.8518.8
Sylt-10 trawl 754.9854508.58260054.9876508.5780504.75.02021-09-07T11:03:352021-09-07T11:19:00PelagicHemigrapsus130.0217.6