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Department of Biogeochemistry


Biogeochemistry Group

Prof. Dr. Marcel Kuypers

MPI for Marine Microbiology
Celsiusstr. 1
D-28359 Bremen




+49 421 2028-602

Prof. Dr. Marcel Kuypers

The Department of Biogeochemistry investigates the pathways, interactions and environmental regulation of microbial processes that control the cycling of bioactive elements in the Ocean.

Carbon and Nutrient Cycles (c) Soeren Ahmerkamp

Biogeochemistry Group

Re­se­arch in the Bio­geo­che­mis­try De­part­ment fo­cu­ses on mi­cro­bio­lo­gi­cal and geo­che­mi­cal pro­ces­ses that con­trol bioac­tive ele­ment cy­cling in the ma­ri­ne en­vi­ron­ment. We em­ploy geo­che­mi­cal, mi­cro­bio­lo­gi­cal, mo­de­ling, mole­cu­lar and sin­gle-cell tech­ni­ques to stu­dy the en­vi­ron­men­tal re­gu­la­ti­on of the­se pro­ces­ses and their ef­fects on the glo­bal bio­geo­che­mi­cal cy­cles. Our goal is to pro­vi­de fun­da­men­tal in­sights into mi­cro­bi­al me­dia­ted pro­ces­ses in the oce­an that ul­ti­mate­ly af­fect oce­an che­mis­try, bio­lo­gy and cli­ma­te. The results are a vi­tal in­put for mo­dels that are used to pre­dict po­ten­ti­al fu­ture chan­ges re­sul­ting from hu­man ac­tivi­ties.

Greenhouse Gases Research Group

The Green­hou­se Ga­s Research Group, headed by Jana Milucka, stu­dies mi­cro­bi­al pro­ces­ses that cont­ri­bu­te to the tur­no­ver of the tra­ce green­hou­se ga­ses me­tha­ne and ni­trous oxi­de in aqua­tic en­vi­ron­ments. Our goal is to un­der­stand which fac­tors con­trol the­se pro­ces­ses in va­rious freshwa­ter and ma­ri­ne ha­bi­tats and how the­se pro­ces­ses re­spond to the chan­ges in nut­ri­ent cy­cles in­du­ced by cli­ma­te chan­ge and hu­man ac­tivi­ty.

Microbial Physiology Group

In the newly founded Mi­cro­bi­al Phy­sio­lo­gy Group, hea­ded by Bo­ran Kar­tal, we are de­di­ca­ted to find new bio­geo­che­mi­cal re­ac­tions, un­der­stand mi­cro­bi­al phy­sio­lo­gy and mi­cro­bi­al in­ter­ac­tions. This in­for­ma­ti­on will be used to bet­ter un­der­stand the ac­tivi­ties and in­ter­ac­tions of key mi­cro­or­ga­nisms in bioac­tive ele­ment cy­cling.

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