This study is the first to tease apart how much each of the two processes contributes to carbon dioxide cycling between the forest and the atmosphere over days, months and years. (sciencedaily.com)
He turned to colleague Arvid Hogbom (1857 - 1940), who had been investigating natural carbon dioxide cycles, to see if it could. (skepticalscience.com)
«Future increase in plant photosynthesis revealed by seasonal carbon dioxide cycle.» (sciencedaily.com)