Before revision: Operating principle of an artificial ecosystem A closed ecosystem can be thought of as a mass balance between the major elements, carbon, hydrogen, oxygen, nitrogen, sulphur and phosphorus (CHONSP), which alone represent 95% of the mass to recycle.
After revision: The AstroPlant initiative of MELiSSA recruits citizen scientists to help create systems for potential space farming projectsOperating principle of an artificial ecosystem A closed ecosystem can be thought of as a mass balance between the major elements, carbon, hydrogen, oxygen, nitrogen, sulphur and phosphorus (CHONSP), which alone represent 95% of the mass to recycle.