Cruise inventory

RRS Challenger CH75A

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH75A
Cruise period1991-02-14 — 1991-02-23
StatusCompleted
Port of departureBarry, United Kingdom
Port of returnOban, United Kingdom
PurposeResearch
Objectives1. To continue the seasonal benthic sampling of the Rockall Trough and investigate various aspects of the biology of benthic invertebrates.
2. To continue the seasonal sampling of benthopelagic fishes of the Rockall Trough and collect material for trace metal and parasitological studies.

See BODC ROSCOP 3680 for second leg of this cruise
Chief scientistJohn D M Gordon (Dunstaffnage Marine Laboratory)
Cruise reportRRS Challenger CH75A cruise report ch75_91.pdf — access key 'C' (0.44 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificRockall Trough and Shelf Edge off Western Soctland
Track chartsRRS Challenger CH75A cruise track — ch75_91track.pdf (00 MB) 
Moorings, landers, buoys 
Biology and fisheries 
Phytoplankton54° 39' 59" N  12° 27' 59" W — Rectangular midwater trawl ES 418
Zooplankton54° 39' 59" N  12° 27' 59" W — Rectangular midwater trawl ES 418
Zoobenthos54° 37' 59" N  12° 18' 41" W — Epibenthic sled ES 416
Zoobenthos54° 39' 35" N  12° 21' 29" W — Epibenthic sled ES 417
Zoobenthos57° 18' 29" N  10° 17' 41" W — Epibenthic sled ES 412
Zoobenthos56° 34' 59" N  9° 48' 59" W — Agassiz trawl AT 414
Zoobenthos56° 23' 42" N  9° 13' 53" W — Marinovitch semi-balloon otter trawl 75/90/1
Zoobenthos56° 41' 47" N  9° 24' 29" W — Multiple corer. 9 cores taken
Zoobenthos54° 59' 24" N  12° 7' 48" W — Marinovitch semi-balloon otter trawl 75/90/3
Zoobenthos56° 40' 53" N  9° 2' 47" W — Marinovitch semi-balloon otter trawl 75/90/5
Zoobenthos56° 42' 54" N  9° 25' 53" W — Marinovitch semi-balloon otter trawl 75/90/4
Zoobenthos54° 38' 59" N  12° 15' 18" W — Epibenthic sled ES 415
Zoobenthos56° 30' 41" N  9° 18' 41" W — Marinovitch semi-balloon otter trawl 75/90/2
Zoobenthos56° 56' 23" N  9° 49' 41" W — Agassiz trawl AT 419
Zoobenthos57° 19' 12" N  10° 22' 48" W — Agassiz trawl AT 413
Demersal fish54° 59' 24" N  12° 7' 48" W — Marinovitch semi-balloon otter trawl 75/90/3
Demersal fish56° 30' 41" N  9° 18' 41" W — Marinovitch semi-balloon otter trawl 75/90/2
Demersal fish56° 40' 53" N  9° 2' 47" W — Marinovitch semi-balloon otter trawl 75/90/5
Demersal fish56° 23' 42" N  9° 13' 53" W — Marinovitch semi-balloon otter trawl 75/90/1
Demersal fish56° 42' 54" N  9° 25' 53" W — Marinovitch semi-balloon otter trawl 75/90/4
Molluscs54° 59' 24" N  12° 7' 48" W — Marinovitch semi-balloon otter trawl 75/90/3
Molluscs56° 23' 42" N  9° 13' 53" W — Marinovitch semi-balloon otter trawl 75/90/1
Molluscs56° 56' 23" N  9° 49' 41" W — Agassiz trawl AT 419
Molluscs56° 30' 41" N  9° 18' 41" W — Marinovitch semi-balloon otter trawl 75/90/2
Molluscs56° 34' 59" N  9° 48' 59" W — Agassiz trawl AT 414
Molluscs56° 40' 53" N  9° 2' 47" W — Marinovitch semi-balloon otter trawl 75/90/5
Molluscs57° 19' 12" N  10° 22' 48" W — Agassiz trawl AT 413
Molluscs56° 42' 54" N  9° 25' 53" W — Marinovitch semi-balloon otter trawl 75/90/4
Crustaceans56° 34' 59" N  9° 48' 59" W — Agassiz trawl AT 414
Crustaceans56° 56' 23" N  9° 49' 41" W — Agassiz trawl AT 419
Crustaceans56° 42' 54" N  9° 25' 53" W — Marinovitch semi-balloon otter trawl 75/90/4
Crustaceans56° 40' 53" N  9° 2' 47" W — Marinovitch semi-balloon otter trawl 75/90/5
Crustaceans56° 23' 42" N  9° 13' 53" W — Marinovitch semi-balloon otter trawl 75/90/1
Crustaceans54° 59' 24" N  12° 7' 48" W — Marinovitch semi-balloon otter trawl 75/90/3
Crustaceans57° 19' 12" N  10° 22' 48" W — Agassiz trawl AT 413
Crustaceans56° 30' 41" N  9° 18' 41" W — Marinovitch semi-balloon otter trawl 75/90/2