Cruise inventory

RRS Challenger CH3/82

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH3/82
Cruise period1982-02-12 — 1982-02-26
StatusCompleted
Port of departureArdrossan, United Kingdom
Port of returnBarry, United Kingdom
PurposeResearch
Objectives1. To continue the seasonal survey of the deep-sea demersal fish populations of the upper slopes (300-1250m) of the Porcupine Sea Bight using the SMBA Granton trawl.
2. To continue the seasonal survey of the deep-sea demersal fish populations of the Porcupine Sea Bight (300-4000m) using the IOS semi-balloon trawl (OTSB14).
3. To trawl for demersal fish at the SMBA permanent station in the Rockall Trough (2900m) and collect the invertebrates for Dr. Gage (SMBA).
4. To make representative invertebrate collections from the Porcupine Sea Bight for the IOS benthic group.
5. To study bioluminescence of benthic organisms.
6. To analyse the structural proteins and enzymes of the Holecephali using electrophoretic techniques.
Chief scientistJohn D M Gordon (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH3/82 cruise report ch3_82.pdf — access key 'C' (0.23 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificWest of Ireland
Track chartsRRS Challenger CH3/82 cruise track — trk2747.html
Measurements 
Biology and fisheries 
ZoobenthosQuantity: number of hauls = 16
Demersal fishQuantity: number of hauls = 19
Description: survey: taxonomy, energy transfers,biomass determination, distribution.
Exploratory fishingQuantity: number of hauls = 19
Other biological/fisheries measurementQuantity: number of samples = 19
Description: bioluminescence