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Cruise inventory

RRS Challenger CH7

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH7
Cruise period1986-10-30 — 1986-11-19
Port of departureFunchal, Portugal
Port of returnBarry, United Kingdom
Objectives1. To continue studies of the benthic ecology of the eastern Atlantic. The samples required are from the slope area 35N to 45N, from the coast to 35W including the continental slope.
2. The samples and data will be collected by spade box corer, epibenthic sledge, Agassiz trawl, stereo camera and plankton net.
3. The samples collected will be used for:
(a) Population studies.
(b) Comparison with samples collected in the Rockall Trough.
(c) Genetic studies of species collected in the NE Atlantic.
(d) Quantitative studies of macrofauna.
(e) Geochemical, geotechnical and microbiological studies of the surface 50cm of sediment collected by box core.
Chief scientistPaul A Tyler (University of Wales Swansea Department of Geology and Oceanography)
Cruise reportRRS Challenger CH7 cruise report ch7_86.pdf — access key 'C' (0.76 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Strait of Gibraltar (Mediterranean Sea)
SpecificE Atlantic
Track chartsRRS Challenger CH7 cruise track — ch7_86track.pdf (0.31 MB) 
Biology and fisheries 
Benthic bacteria/micro-organismsQuantity: number of samples = 5
ZoobenthosQuantity: number of samples = 39
Description: survey: taxonomy,distribution
Geology and geophysics 
Core - soft bottomQuantity: number of cores = 11
Description: chemical analysis