• Metadata catalogue
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Benthos, density

Description:

Spatial distribution of selected macrozoobenthic species in the German Bight.

Data source:

Data from environmental impact assessments (EIA) under the permit procedures of the Federal Maritime and Hydrographic Agency (BSH) in the North Sea EEZ and research data of the Alfred Wegener Institute (AWI), Helmholtz Centre for Polar and Marine Research; time period: 1997 to 2011, mainly spring and autumn data (EIA data), but also summer and winter data (AWI data)

Sampling standards:

Data of EIAs follow the standard investigation concept StUK 1-3 (BSH 2007), AWI data collected in accordance with the ICES sampling standard (Rumohr 1999).

Sampling gears:

mainly van Veen grabs (0.1 m², 30-95 kg), few stations by box corer (0.1 m², 160 kg), Nephrops norvegicus and Goneplax rhomboides sampled by beam trawl and dredge (1-3 m width)

Sampling:

1-3 replicates per station, fixation in 4 % buffered formalin seawater solution, dredge and beam-trawl data recorded on board or subsamples frozen stored, abundance and biomass (g wet weight) per species

Data analysis:

science information system of benthic invertebrate data, examination of quality and plausibility, data harmonisation, product computation by AWI

Product description:

Grid: 5x5 km² for grab data, 10x10 km² for data on N. norvegicus and G. rhomboides from beam trawl and dredge hauls; available selectable parameter: number of stations, minimum, maximum, mean, median and standard deviation of density (m-²) per species; classification method: natural jenks (Jenks Caspall algorithm), Note: The products contain a different classification of species density!

Note: Please regard different value ranges!

Rumohr, H. (1999). "Soft bottom macrofauna: Collection, treatment, and quality assurance of samples." ICES Techniques in Environmental Sciences, No. 27: 1-19.

BSH (2007): Standard ¿Investigation of the Impacts of Offshore Wind Turbines on the Marine Environment (StUK 3)¿, Hamburg.

 
Citation proposal
. Benthos, density. https://services.mspdata.eu:/geonetwork/srv/api/records/774c174e-37d6-4f44-bbba-8a4f2228c4cc

Simple

Date ( Creation )
2014-04-04
Identifier
774c174e-37d6-4f44-bbba-8a4f2228c4cc

  Point of contact

Alfred-Wegener-Institut (AWI) - Dr. Jennifer Dannheim (Meeresbiologin )  
Am Handelshafen 12 Bremerhaven 27570 Germany

  +49 (0) 471 4831 1734  
  +49 (0) 471 4831 1425 
Maintenance and update frequency
Continual
Keywords
  • benthos , biology , density , distribution

Resource constraints

No information provided.

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Classification
Unclassified
Access constraints
Copyright
Metadata language
English
Character set
UTF8
Topic category
  • Biota
  • Oceans
  • Environment
N
S
E
W


Reference system identifier
urn:ogc:def:crs:EPSG / 4326 / 6.11.2
Distribution format
  • ggf. nach Rücksprache (unbekannt )

  Author

BSH - Dr. Maria Boethling (Sachbearbeiterin )  
Bernhard-Nocht-Str. 78 Hamburg 20359 Germany

  +4940 3190-3513  
  +4940 3190-5000 
Hierarchy level
Dataset
Statement
Bundesamt für Seeschifffahrt und Hydrographie (BSH)

Metadata

File identifier
774c174e-37d6-4f44-bbba-8a4f2228c4cc   XML
Metadata language
English
Character set
UTF8
Hierarchy level
Dataset
Hierarchy level name
Biologie
Hierarchy level name
Beobachtungen
Date stamp
2014-04-07
Metadata standard name
ISO 19115
Metadata standard version
1.0

  Author

BSH - Dr. Maria Boethling (Sachbearbeiterin )  
Bernhard-Nocht-Str. 78 Hamburg 20359 Germany

  +4940 3190-3513  
  +4940 3190-5000 
 
 

  Overviews


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