Demersais survey in the Azores between 1996 and 2013

Demersal surveys performed with bottom longline during research cruises around Azorean islands and several seamounts. Surveys conducted annually (few exceptions) from 1996 to 2013.

Default

Identification

Publication Date
2021-12-02
Title
Demersais survey in the Azores between 1996 and 2013
Abstract
Demersal surveys performed with bottom longline during research cruises around Azorean islands and several seamounts. Surveys conducted annually (few exceptions) from 1996 to 2013.
Dataset Language
en
 
Dataset Creator
  Institute of Marine Research
Dataset Creator
  University of the Azores Department of Oceanography and Fisheries
PT
Dataset Creator
  University of the Azores; Department of Oceanography and Fisheries - Gui Menezes
Metadata Provider
  Flanders Marine Institute (VLIZ)
BE
https://www.vliz.be
Associated Party
contentProvider
  University of the Azores Department of Oceanography and Fisheries
PT
Associated Party
pointOfContact
  University of the Azores; Department of Oceanography and Fisheries - Gui Menezes
Dataset Contact
  University of the Azores; Department of Oceanography and Fisheries - Diana Catarino

Geographic Coveragehttp://marineregions.org/mrgid/2454

Geographic Description
Portugal

Geographic Coverage

Geographic Description
EurOBIS calculated BBOX > station Bounding Box

Bounding Box

West Bounding Coordinate
-37.44979863
East Bounding Coordinate
-24.27808753
North Bounding Coordinate
40.35700806
South Bounding Coordinate
36.83765468

Temporal Coverage

Range of Dates

Begin Date

1994-01-01

End Date

2013-01-01

Taxonomic Coverageurn:lsid:marinespecies.org:taxname:1066

General Taxonomic Coverage
urn:lsid:marinespecies.org:taxname:1066

Taxonomic Classification

Taxonomic Rank Name
subphylum
Taxonomic Rank Value
Crustacea

Taxonomic Coverageurn:lsid:marinespecies.org:taxname:51

General Taxonomic Coverage
urn:lsid:marinespecies.org:taxname:51

Taxonomic Classification

Taxonomic Rank Name
phylum
Taxonomic Rank Value
Mollusca

Taxonomic Coverageurn:lsid:marinespecies.org:taxname:11676

General Taxonomic Coverage
urn:lsid:marinespecies.org:taxname:11676

Taxonomic Classification

Taxonomic Rank Name
superclass
Taxonomic Rank Value
Pisces

License Information

Intellectual Rights

This work is licensed under a

Creative Commons Attribution (CC-BY) 4.0 License

.

 
 
 

Methods

Methods

• Method

Method Step

Description
Sampling is performed using a "stone-buoy longline" similar to the one used in the commercial demersal fishery in the Azores. The sampling is stratified and random based on depth and geographic areas from 25 meters to 1200 meters mostly, but few sets down to 2000 meters. In some sets a different longline design was used (see Menezes et al. 2009). Soak time was usually 2 to 3 hours, but deeper sets (below 1000 meters) have longer soaks times. Chopped and salted sardines were used as bait.

Sampling

Study Extent

Entire sampling area

Sampling Description
stone-buoy longline
 
 

Not available