title: Carbon recycling in materially closed ecological life support systems.
abstract: Materially closed microbial ecosystems represent model life support systems for the future human habitation of space. These ecosystems when subjected to a constant energy flux seem to be reliable and self-sufficient systems for recycling of biologically produced carbon compounds.
mesh_terms: D001419:Bacteria / Q000254:growth & development; D002244:Carbon / Q000378:metabolism*; D018504:Ecological Systems, Closed / Q000295:instrumentation*; D056890:Eukaryota / Q000254:growth & development; D008021:Life Support Systems / Q000295:instrumentation*
chemical_list: D002244:Carbon