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State of the scientific knowledge on properties and genesis of Anthropogenic Dark Earths in Central Amazonia (terra preta de Índio)

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State of the scientific knowledge on properties and genesis of Anthropogenic Dark Earths in Central Amazonia (terra preta de Índio)

In: Geochimica et cosmochimica acta, 01 April 2012, Vol.82, pp.39-51
Autor: Glaser, Bruno , Birk, Jago Jonathan
Ort, Verlag, Jahr: , Elsevier Ltd, 2012
ISBN/ISSN/ISMN: 0016-7037
Kollektion: ScienceDirect (Elsevier)
Erscheinungsform: article

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Autor:Glaser, Bruno
Autor:Birk, Jago Jonathan
Titel:State of the scientific knowledge on properties and genesis of Anthropogenic Dark Earths in Central Amazonia (terra preta de Índio)
Verlag:Elsevier Ltd
Jahr:2012
ISBN/ISSN/ISMN:0016-7037
Sprache:eng
Zusammenfassung:<p>Tropical rainforests are highly important for the global climate regulation and for global biodiversity. However, these ecosystems are characterized by nutrient-poor and highly weathered soils and by high turnover rates of organic matter. Thus, they are fragile ecosystems prone to loss of ecosystem services when anthropogenically disturbed. Currently, the major threat to these ecosystems is deforestation leading to irreversible destruction of rainforests. Surprising and not expected is that within these ecosystems small patches of highly fertile soils occur which are known as Anthropogenic Dark Earths or terra preta de Índio (terra preta). These soils exhibit high nutrient and soil organic matter stocks and allow sustainable agriculture. Frequent occurrence of pot-sherds of pre-Columbian origin and further evidence for settlement activities clearly demonstrate that terra preta is of anthropogenic origin. In recent years, the terra preta phenomenon has gained increasing interest...
Kollektion:ScienceDirect (Elsevier)
In:Geochimica et cosmochimica acta, 01 April 2012, Vol.82, pp.39-51
Primo Volltext:no_fulltext