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"World wide movement of organic matter - a South- North one-way flow?"

SUMMARY:
Global flow of organic materials from agriculture and forestry is not a closed cycle in many parts and ecosystems of this earth. Sources originate and decline, some regions become rich in organic matter whereas other regions show deficits.

 These anthropogenic deviations cause far reaching and lasting problems such as extensive devastation as a result of soil degradation. In order to study and prove the effects of this material flow a detailed overview of their prime factors such as production, export, import and their processes are necessary. A data bank in which the global biomass produced by humans is estimated and how they are related to other factors was therefore be compiled. Moreover the import and export of biomass was also be estimated for a large number of countries. These data was then compared to other data such as the degree of soil degradation or percentage of rural population.

Copyright:	© European Compost Network ECN e.V.
Quelle:	Orbit 2006 (September 2006)
Seiten:	7
Preis:	€ 0,00
Autor:	Dipl. Ing. Christian Springer Prof. Dr. Ing. habil. Werner Bidlingmaier
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