◎喝amE=弧葛Dlbll[喝日rjLn鶴① ①e㊧5]ul dU拡】㊤ TF
df一叫1Lklll‑j阜J､.こ̲fJt=̲:､し:Sebastolobus macroch/ris generally known as "Kinki" 1n Japanese･ lt has abright‑red body wlth a black blotch at the center of its dorsal fln･ lt grows toゝこ.
Broadbandさd thornyhead( Sebastolobus macrochir)approximately 30 cm in body length and is found at depths between 200 and
1500 m lt is a prized fish wlth deHCious whlte‑meat and plenty offat

Chl0nOeCeteS OP/Ilo has a dark brown she= With a rounded tnangular shapeand lS a rePreSentatlVe Ofthe edible crabs Male snow crabs can growto asheHwidth of15 cm and females upto 8 cm. The llfe expectancy of theS̲=! =.…TI Chiom)ecetes opilio)

廠rAlaska pollackt Theragra chalcogTammaIcrabs can be as 一ong as 15years

Theragra chalcogramma IS a SPeCleS Closely‑related to Pacific cod and cangrow up to 60 cm in totaHengthN Its meat IS used ln the production ofkamaboko and its ovarleS are used for cod roe or salted cod roe spiced wlthHow have the habitats ofred pepper lt lSfound inthe North PaclflCOcean atdepths ofupto 500 mMICrOStOmuS aChne lS a flatfISh wFth a totaHength of up to 60 cm The Japanese name forthlS flSh, "Baba‑garel," remlnds us of an old woman lt FS a Whlte‑meat fFSh often eaten

marine organisms

bolled w】th soy sauce and sugar Or brolled wlth salt lt lS found ln the Sea of Japan andareas north of Suruga Bay at depths between 50 and 400 m ln the Tohoku regl0n, Ft lS

changedでalso known as uNameta‑garel "Buccinum lSaOtak/I IS a type Ofsnail, commonly called a whelk lt IS eaten
raw oT bolled with soy sauce and sugar. It can grow upto approxlmately 20whelk( Buccinum isaoねkill‑ We study organisms and environments off Sanriku

cm in sIZe (ShelHength) and IS found ln the PaclfICCOaStal areas fromKashima‑Nada to Hokkaido at depths between 50 and 500 m.

post‑earthquake and tsunami. ‑Gadusmacrocephalus IS a large fishwhich can grow up to 1 m in totallength. lt lS found in the North PaclfIC Ocean from the cdast to a depth of√=一㌧..,
ヽ.‖

800 m ltlS Iessollythan other fISh and is ofteneaten bysaut畠and Nabe

Pacific codt Gadus macrDCePhalus)

貞一‑(cooking in a pot at the table).

●(TodarodespaciflCuS grows uP tO 30 cm in body Length, and can mlgrate longdIStanCeS during its short llfe, typICaIIy on一y 1 year. It lS found ln the waters

surrounding the Japanese lstands from the surface to a depth of up to 1000
JapaneseFlyingSquid m･ lt is one of the squlds used ln a Varlety Ofcullnarydishes･( Todarodes paciGeusI′･監督T.TEc｡S,sEAss｡ciAine Sg, S.nceS"@伊野瞳t払』削澗旨J A M S T E C JsaiTeannc三gaenndC芋efco; n".?二ign,e‑Ea rth
2‑1 5 Natsushima‑cho, Yokosuka‑city,Kanagawa 237‑0061℡ +8ト46‑866‑381 1

3173‑25 Showa‑machi, Kanazawa‑ku,
Yokohama‑city, Kanagawa 236‑0001℡ +81̲451778̲381 1
20152+++yll+rJ‑+

I ̲ i‑FrilEAM盛a research program aims to help understand and utilize marineecosystems and fisheries. Led by JAMSTEC, Tohoku Univer‑

The Great East Japan Earthquake has drasticalJy changed

sity･ and the Atmosphere and Ocean Research Institute (AORl)marine ecosystems and their surrounding environments,of the University of Tokyo, TEAMS brings together marine science

including fisheries grounds.

researchers to investigate the sea off Sanriku as a decadar

Tohoku Ecosystem‑Associated Marine Sciences (TEAMS) isprogram beginnlng in FY 2011.

i ‑̲I‑Å亘ニー

1: Research on factors controHing open ocean
benthopelagIC ecosystem dynamjcS

Off Sanriku
2: Data sharing and publjcation by the developmentand maintenance of information technology

systems for TEAMS⊂垂釘Fntu.Fsihe…r:ensegC,Oi:gJ.csal succession
The southern part of the Sanriku coast

轍:e器,enaercehc.osn,sf;ecLo占S,ncaomn.tcrso … n gゐ∴二十ノ/The northern part of the Sanriku coast to the offing*weareJAMSTEC !

research to elucidate the mysteries of the oceans and the Earth. lt has
become c一ear that the vast ocean accounts for about 70% of the Earth･S

surface and contains diverse ecosystems with various environments

Ja押rf< Agency for Marjne･Earth Science and Techno一ogy (JAMSTEC)

encompasslng them･ To understand the ocean in more detail, We perform

Carries out many scientific investigations and a considerable amount ofinvestigations and research usIng advanced equIPment and devices.

we want to help JnOnitor78㌔▲■･‑L‑‑.:I‑iii

I‑ii‑∴‑i‑二=‑･‑‑こtt‑I::Fr‑t∴‑:

:I‑‥

∴‑‑̲

grotlndS ○拭the Sanriku coast.

waters usin9 a range Oftools and equipment, such as researchships and a new remotely operated vehicle ‑ the ROV CRAMBON.
Through accumulating knowledge with such technologleS,♂
gddecompos ･ttJtOう

JAMSTEC carries out investigations and research main一y ln Offshore

80y massiveDebris
tsunamiswept

hasawayremainedby theon the sea floor and has greatly

affected the submarine ecosystems

and fisheries. Piles of debris block fishing

trawls, but they may provide refuges tomany Or9anlSmS･

We investigate where and how much debris is
distributed across the sea floor and make debris maps

using this information･ We also investigate what types oforganisms facilitate the decomposition of debris･ how longdecomposition of debris takes, and how much debris wi"
be decomposed.

We endeavor to answer questions such as "what is J

happening beneath the waves?" and "what wiH
happen in the ocean golng forward?''and inform

We estimate the inf一uence of debris

the pubHc of the information we obtain･ち̲

onecosystemsandfisheries･

紳榔珊瑚を梅暦△ CRAM80N
The seafloor is topoLoglCa"y♂∈縛◎縛◎酌diverse, with undersea valleys,♂,G:e:nw三':≡:sri :fI t:nn', i禁‰′1 ;一L凸I･(>Jn{㌔p㌔occur, was changed by the large tsunami

where Broadbanded thornyheads㌔(Sebastolobus macrochir) and Alaska
pollack (Theragra chalcogramma) are Livingttidal wave caused by the 201 1 Off the Pacifichave been affected by the earthquake andu

coast of Tohoku Earthquake.

tsunami.

Although we cannot see the sea fLoor directly

We investi9ate the in仙ence of the earthquakeIbecause light and electromagnetic waves cannot

and tsunami on organisms by observing thepenetrate far in sea water, we are able to use

behavior of organisms uslng a robot, measurlng thetsound to survey the current topography andL

movement of organisms with bi0‑10gglng and tracking

seafloor conditions, e.9. multi beam echo sounders,techniques, and examimng the diversityand dispersal

side scan sonar and sub‑bottom profilers.
･mIにfTS;〜‑○うStruCture

二 ■.
‑, '〕

mountains and plains. The sea floor, where

many species offish, crabs and other Iife /0も〇･of organisms uslng molecular methods･:IWe make seafloor maps to {eve･ai｣二二二垂顧聯e 『母機a日he ecology of organisms

tile Current COnditiori Of

一iving on the seafloor

thc seaflom‑.̲

in offshore areas.

古●//The seafloor off Sanriku′人､To have an overview of the/､㍉∴十∴∴･;̲̲; :lL ∴is home to a variety offishes,∫ ‑ ∫ / ノ ー w tsuch as cod. The earthquake dis‑turbed and transported sediments
澄state of the ocean, all information
obtained through our investigations

工.i :: ∴‑し･し･ ∴'̲∴̲土̲ ∴∴し十二

needs to be 9athered toョether.
To visua一ize and convey the current state㌧二十∴L‑･一･ ∴‑.,:工上:･し･二､･̲I

across the seafloor.

だ,3惑

of the sea and marine organisms off

We investigate how the seafloor has∴･∴̲:㌦̲㌔̲‑. ̲̲̲∴1∴1.:rnln

77abJtat at一U

蒜ユchanged and how organisms, such asrnOゎ

･B COd･ have been affected･ Weafsocontinu一星だbfLミI
fl‑, I,さウニ2､で3{

ously monitor the environment of the sea floor､▲

in offshore areas to clarify the restoration process

1of habitats for species in this region.

､･■

A/T宅,03)∴･･.: ∴･:lJ■､‑･‑‑I.I【･･･Sanriku, We collect records of organisms uslng

images and videos taken underwater. data onsounds re刑ected from the seafloo｢, and results ofthe chemical analysIS Ofmatter in the sea. We thenmake maps to visualize the organisms and theirenvironments.

<十･･一,十.1:.:･･･L･l･.■‑.･I

1.

We assemble various kinds of･̲r‑I‑,r､1････■▲:11･T､

data to make a map showing;･

the current state of the sea andthe organisms it contains.
っOlのRmrbトへ＼一才F/

極Many organic polIutants

haveaccumulated､パーを7立一一∴∴‑:̲:J̲ニ∴'･::

inorganismsをFフ)

through the food chain. Polychlori‑･∴しい､∴｢■∴十㌧∵∴̲̲がやublication by鶴◎雪き,/̲̲,/ji<:}･‑‑ A considerable amountvCを,‑Aof information on marine organ‑≡‑'̲'p IJ‑‑I‑･‑t:i.,lan‑

nated biphenyI (PCB), in particular, is a t

isms, their habitats and the generaJ

notorious substance that has a highenvironment is coHected from TEAMS

toxicity to humans. Old PCB‑Containing

investigations and ongoing research.

efectrical appllanCeS that had been stored inJJ:∴■､/I̲･ ∴･･一二/‑‑晦恥.

the Sanriku coasta一 areas were washed away

We make such information available through
TEAMS websjte. We also inform the public ofbythe tsunami, and may now pose a hazard in

the details offuture investigations andthe sea.

upcomlng events.

monitor leve一s of PCB in seafIoor sediments andedible fishes, and foIIowthe state ofp0日ution in the三三/̀
Y､;?

Sea,

蕊7
■

/

We make our activities

し坊主し紬恥は撒wu LFÅ適融and resu一ts known
■

̲､

■

ヽto the pubJic.
一∃〜つく､J7 1弓黙一り

Lしハl､､▼､I?

＼＼I

叫軌Jq s岬S^S締OtO

葛篭窟志neeof･∴工■十二は̲∴､. ‑