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GEOEPIDERM – AN ECOLOGICAL CONCEPT THAT INTEGRATES SOIL COVER WITH ASSOCIATED LAND SURFACE COMPONENTS

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Author(s): I. Munteanu

Journal: Soil Forming Factors and Processes from the Temperate Zone
ISSN 1582-4616

Volume: 7;
Issue: 1;
Start page: 5;
Date: 2008;
Original page

Keywords: geoepiderm | soil science | ecological concept

ABSTRACT
Based on the new concept of the “Epiderm of the Earth” introduced by the 2006 edition of the WRB-SR, the idea of “geoepiderm” has been developed. Besides its holistic meaning, by including both soil and non-soil materials found in the first 2 meters of the land surface, the term “geoepiderm” has a strong ecological sense, by suggesting similarity with the skin of the living organisms, as such, this concept is fully concordant with that of “Gaia” (Living Earth) developed by James Lovelock. According to the main pedo-ecological characteristics of the soil and not soil coverings from the earth surface, ten kinds (classes) of ‘geoepiderms” have been identified:1) – Protoderma (Entiderma)– the primitive (emerging) geoepiderm (mainly non-soil materials); five main subtypes: a) Regoderma, b) Leptoderma, c) Areniderma, d) Fluviderma and e) Gleyoderma, were identified;2) – Cryoderma (Geliderma) – geoepiderm of cold, mainly artic and subartic, regions with mean annual soil temperature
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