MAR-ECO (2003 - 2010) was an international exploratory study of the animals inhabiting the northern mid-Atlantic.

Citation: Wenneck, T. de Lange, Falkenhaug, T. and O.A. Bergstad. 2008. Strategies, methods, and technologies adopted on the RV G.O. Sars MAR-ECO expedition to the mid-Atlantic Ridge in 2004. Deep-sea Research II. 55: 6-28.

Published: September 17, 2025 at 10:13

URL: http://ipt.vliz.be/eurobis/resource?r=mareco_2004

Institute of Marine Research; Norwegian Marine Data Centre
Institute of Marine Research; Norwegian Marine Data Centre

Odd Aksel Bergstad
Institute of Marine Research; Norwegian Marine Data Centre

Flanders Marine Institute (VLIZ)
Flanders Marine Institute (VLIZ)

Thomas de Lange Wenneck
Institute of Marine Research; Norwegian Marine Data Centre

Tone Falkenhaug
Institute of Marine Research

9,524

occurrence records

720

taxa

702

species

Taxa

Missing and invalid fields

Field	Missing
coordinateUncertaintyInMeters	9,524	100.0%
decimalLatitude	5	0.1%
decimalLongitude	5	0.1%
maximumDepthInMeters	395	4.1%
minimumDepthInMeters	395	4.1%
scientificNameID	9	0.1%

Quality flags

The OBIS data quality flags are documented at https://github.com/iobis/obis-qc.

Flag	Records
NO_DEPTH	395	4.1%
NO_ACCEPTED_NAME	237	2.5%
DEPTH_EXCEEDS_BATH	120	1.3%
MIN_DEPTH_EXCEEDS_MAX	78	0.8%
NO_MATCH	9	0.1%
WORMS_ANNOTATION_REJECT_AMBIGUOUS	9	0.1%
NO_COORD	5	0.1%

MAR-ECO 2004

Taxa

Missing and invalid fields

Quality flags

Measurement types

DNA derived data