Cruise inventory

RRS Challenger CH8

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH8
Cruise period1986-11-25 — 1986-12-18
Port of departureBarry, United Kingdom
Port of returnBarry, United Kingdom
Objectives1. To establish a station on the Porcupine Abyssal Plain (48 50'N, 16 30'W) and to sample the midwater and benthic fauna.
2. To sample the exisiting IOS transect in the Porcupine Seabight with benthic and near bottom midwater trawls.
3. To obtain material for CASE students N. Cartwright (Foraminifera) and M. Atrill (Decapoda).
4. To obtain experimental material for trace metal analyses.
Chief scientistHoward S J Roe (Institute of Oceanographic Sciences Wormley Laboratory)
Cruise reportRRS Challenger CH8 cruise report ch8_86.pdf — access key 'C' (0.50 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificPorcupine Abyssal Plain/Porcupine Sea Bight
Track chartsRRS Challenger CH8 cruise track — trk3207.html
Physical oceanography 
CTD stations
Biology and fisheries 
ZooplanktonQuantity: number of hauls = 7
Description: survey:taxonomy
NektonQuantity: number of hauls = 5
ZoobenthosQuantity: number of hauls = 10
Description: survey:taxonomy
Pelagic fishQuantity: number of hauls = 5
Description: survey:taxonomy,biomass determination
Geology and geophysics 
Single-beam echosoundingQuantity: track kilometres = 1250