Triple-D dredge benthos sampling

Henk W. van der Veer; Magda Bergman

doi:10.15468/oxrusx

Triple-D dredge benthos sampling

Citation

van der Veer H W, Bergman M, de Bruin T (2023). Triple-D dredge benthos sampling. Version 1.4. NIOZ Royal Netherlands Institute for Sea Research. Metadata dataset https://doi.org/10.15468/oxrusx accessed via GBIF.org on 2024-12-11.

Description

Triple-D dredge The Triple-D (Deep Digging Dredge) was developed to quantitatively sample the larger-sized, often more sparsely distributed and longer-lived in- and epifauna. A prototype was described in Bergman and van Santbrink (1994). The Triple-D (2.40* 2.60*1.20 m; weight 1200 kg; towing speed 3 knots) effectively excises a 20 cm deep strip of sediment with a width of 20 cm from the seabed, of which the length of 100 m is controlled by an odometer triggering a pneumatic opening/closing mechanism. The sediment washes through the 7x7 mm meshes of a 6 m net astern the dredge. Catches of the Triple-D representing the fauna in 20 m2 are sorted and identified on board (for technical details Triple-D see https://www.youtube.com/watch?v=O3XIFzbljWk).

Taxonomic Coverages

Bivalves
common name: Bivalves rank: phylum

Geographic Coverages

North Sea

Bibliographic Citations

Contacts

Henk W. van der Veer
originator
position: Head department
Royal NIOZ
NL
email: veer@nioz.nl
homepage: http://www.nioz.nl
userId: https://orcid.org/0000-0001-5035-661X

Magda Bergman
originator
position: Senior scientist
Royal NIOZ
NL
email: magda@nioz.nl
homepage: http://www.nioz.nl
userId: https://orcid.org/0000-0001-6887-2022

Taco de Bruin
metadata author
email: taco.de.bruin@nioz.nl
homepage: http://www.nioz.nl
userId: https://orcid.org/0000-0001-9149-2095

Taco de Bruin
user
email: taco.de.bruin@nioz.nl

Henk De Vries
distributor
position: Unknown
NLBIF (Netherlands Biodiversity Information Facility)
P.O. Box 9517
Leiden 2300 RA
2300 RA
NL
email: henk.devries@naturalis.nl

Henk W. van der Veer
administrative point of contact
position: Head department
Royal NIOZ
NL
email: veer@nioz.nl
homepage: http://www.nioz.nl
userId: https://orcid.org/0000-0001-5035-661X

Magda Bergman
administrative point of contact
position: Senior scientist
Royal NIOZ
email: magda@nioz.nl
homepage: http://www.nioz.nl
userId: https://orcid.org/0000-0001-6887-2022