Humusica 2, article 18: Techno humus systems and global change – Greenhouse effect, soil and agriculture
Ponge, J. F.
Galbraith, J. M.
De Nobli, M.
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The article is structured in six sections. A first portion is dedicated to the state of the art concerning climatic change and agriculture. Internet available IPCC maps and cartographic documents made by scientific Centres of research were used for illustrating forecasted climatic changes. In Sections 2 and 3, bibliographic evidences were collected for supporting a vegetation and soil co-evolution theory. Humus, soil and vegetation systems are presented at planet level in many synthetic maps. In Sections 4, 5 and 6 the authors discussed the human influence on the soil evolution during the Anthropocene. It appears that humans detected and used the Mull humus systems all over planet Earth for crop production and pasture. Human pressure impoverished these humus systems, which tend to evolve toward Amphi or Moder systems, losing their natural biostructure and carbon content.