ised ▁in ▁four ▁scientific ▁depart ments : ▁( 1 ) ▁Bi oge och em istry ▁and ▁Ge ology , ▁( 2 ) ▁E col ogy , ▁( 3 ) ▁Social ▁Sciences , ▁and ▁( 4 ) ▁The oret ical ▁E col ogy ▁and ▁Mod elling , ▁complement ed ▁by ▁a ▁( 5 ) ▁Research ▁In frastr ucture ▁Department , ▁and ▁the ▁Science ▁Management . ▁The ▁scientific ▁depart ments ▁are ▁composed ▁of ▁ 2 0 ▁working ▁groups ▁and ▁junior ▁working ▁groups . ▁In ▁order ▁to ▁facil itate ▁the ▁inter dis cipl inary ▁work , ▁Z MT ▁activities ▁are ▁struct ured ▁in ▁cross - cut ting ▁programme ▁areas , ▁forming ▁a ▁matrix ▁across ▁the ▁depart ments . ▁ ▁Depart ments ▁and ▁working ▁groups : ▁ ▁( 1 ) ▁Bi oge och em istry ▁and ▁Ge ology ▁( H ilde g ard ▁West phal ) ▁ ▁Ge o ec ology ▁and ▁Car bon ate ▁Sed iment ology ▁( H ilde g ard ▁West phal ) ▁ ▁Sub marine ▁Gr ound water ▁D isch ar ge ▁( N ils ▁Mo os dorf ) ▁ ▁E colog ical ▁Bi oge och em istry ▁( Tim ▁Jen ner j ahn ) ▁ ▁Car bon ▁and ▁N ut ri ent ▁Cy cling ▁( Tim ▁R ixen ) ▁ ▁Trop ical ▁Marine ▁Micro bi ology ▁( A str id ▁G är des , ▁junior ▁working ▁group ) ▁ ▁Cor al ▁Cl imat ology ▁( Hen ry ▁Wu , ▁junior ▁working ▁group ) ▁ ▁( 2 ) ▁E col ogy ▁( Martin