Sampling of a benthos for prey composition data creation of a benthos for development of a Ecopath ecosystem model in the Sanriku offshore area of the Tohoku Region
Period and Interval2018/02/02 - 2018/02/02, 2018/02/22 - 2018/02/23
3 days
Research Area
Offshore of Iwate
CategoryResearch Cruise
OverviewWe join the bottom trawl survey conducted by Iwate Fisheries Technology Center using the Iwate-Maru in the Iwate offshore area and get benthos.
Research Point Table
Polygon | Name | operating area |
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Coordinates | 40.457417,141.66235/40.476667,141.761667/40.394283,142.12045/39.551217,142.523117/38.870617,142.1497/38.8814,141.693917/38.97995,141.597683 |
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Research Point Map & Track Chart Map & Point List
Results and Future PlanWe joined the bottom trawl survey conducted by Iwate Fisheries Technology Center using the Iwate-Maru in the Iwate offshore area on February 2nd, 22nd, 23rd, 2018, and got benthos.
We got the following biological samples at depths of about 200 to 400 m, for example:
Etmopterus lucifer, Gadus macrocephalus, Gadus chalcogrammus, Abyssicola macrochir, Laemonema longipes, Physiculus maximowiczi, Sebastolobus macrochir,
Zestichthys tanakai, Malacocottus zonurus, Chlorophthalmus albatrossis, Synaphobranchus kaupii, Liponema brevicornis,
Flatfish, Snailfishes, Lanternfish, Crabs, Crangon, Octopus, Squid, Sea Snails, Sea Cucumbers, Brittle Stars, etc.