Seitenpfad:

Prof. Dr. Si­nik­ka Lenn­artz: From a drop to the oce­an: sca­ling up mi­cro­bi­al in­ter­ac­tions with dis­sol­ved or­ga­nic mat­ter

27.01.2022
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Bre­men

Thurs­day, Ja­nu­ar 27, 2022
at 3:00 p.m. (15:00 Uhr)

Prof. Dr. Sinikka Lennartz (Uni­ver­si­ty of Ol­den­burg, Ger­ma­ny)

will give a di­gi­tal se­mi­nar with the tit­le:

"From a drop to the ocean: scaling up microbial interactions with dissolved organic matter"

 You are wel­co­me to join.

 
Hörsaal
Hörsaal

From a drop to the ocean: scaling up microbial interactions with dissolved organic matter

Mi­cro­bi­al­ly me­dia­ted pro­ces­ses on small sca­les im­pact bio­geo­che­mi­cal cy­cles on pla­ne­ta­ry sca­les, with the po­ten­ti­al of feed­back me­cha­nisms in a chan­ging cli­ma­te. Howe­ver, we are cur­rent­ly lacking the tools to as­sess the­se feed­backs be­cau­se glo­bal bio­geo­che­mi­cal mo­dels usual­ly do not ex­pli­ci­ty con­sider the he­te­ro­tro­phic com­mu­ni­ty or mi­cro­bi­al in­ter­ac­tions as such. In this talk I will give two ex­am­ples on how up­s­ca­ling can be ad­dres­sed in nu­me­ri­cal mo­dels. First, I will show that ex­pli­cit­ly con­side­ring the he­te­ro­tro­phic mi­cro­bi­al com­mu­ni­ty in a glo­bal bio­geo­che­mi­cal mo­del may chan­ge the sign of the feed­back of dis­sol­ved or­ga­nic car­bon sto­r­a­ge in a fu­ture cli­ma­te sce­na­rio. In a se­cond ex­amp­le, ex­pe­ri­men­tal re­sults on pho­to­troph-he­te­ro­troph in­ter­ac­tions are trans­la­ted into a ma­the­ma­ti­cal frame­work to sca­le up the im­pact of ac­tive in­ter­ac­tions to com­plex mi­cro­bi­al com­mu­nities.

To join the se­mi­nar, plea­se use the fol­lo­wing link:

 
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