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DTSTAMP:20260425T092610Z
UID:1684328400@ist.ac.at
DTSTART:20230517T150000
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DESCRIPTION:Speaker: Christa Schleper\nhosted by ISTA Sustainability Group\
 nAbstract: Nitrogen (N) is a key nutrient\, essential for the survival of 
 all living  beings. Most organisms are unable to use the chemically unrea
 ctive but abundant form of di-nitrogen gas (N2) from the atmosphere and re
 ly on the conversion to a reactive form such as ammonia (NH3) or nitrogen 
 oxide (NOx).By the turn of the 19th century\, the development of a technol
 ogy to produce and use synthetic N fertilizers\, led to a dramatic increas
 e in agricultural productivity to feed an ever growing human population. H
 owever\, the low efficiency of plants to use industrially produced fertili
 zer continuously leads to a massive release of reactive nitrogen into the 
 biosphere.In my talk I will confront you with the current extent and conse
 quences of overfertilization in the ecosystems\, including effects on biod
 iversity and greenhouse gas productions. But I will also introduce ongoing
  investigations\, including from my and many laboratories trying to allevi
 ate nitrogen emissions from agriculture. In this context\, you will hear a
 bout microorganisms and their activities\, because exclusively Bacteria an
 d Archaea are running the crucial interconversions of reactive compounds i
 n the global nitrogen cycle. And of course\, there are also personal behav
 iors to mention that everyone of us can adopt to have a positive impact on
  the complex nitrogen challenge.
LOCATION:Mondi 3 and Zoom\, ISTA
ORGANIZER:nikola.canigova@ist.ac.at
SUMMARY:Christa Schleper: What is wrong with the Nitrogen Cycle - and what 
 can we do about it? 
URL:https://talks-calendar.ista.ac.at/events/4165
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