imported>Jacques Ducloy |
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| − | | + | * [[{{FULLPAGENAME}}/Testing area|Testing area]] |
| − | [[File:SuitmaGroupDiapositive1.jpg|200px|right|thumb|coucou]] | + | * [[{{FULLPAGENAME}}/Setting up the wiki]] |
| − | [[Ecotrons & Lysimeters - Nancy 2010]]
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| − | * [[Soil anthropization (Bratilava, 2004) Van Deventer]] | |
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| − | http://www.vupop.sk/dokumenty/ine_soil_anthropization8.pdf#page=11
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| − | Classification of anthropogenic soils of South Africa
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| − | ABSTRACT
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| − | Man is part of the environment for a significant period of time in the history of earth’s ecosystem and is
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| − | also influencing the land since his creation. In recent times the earth become so overcrowded and high
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| − | tech practices are so much in use that there is no chance for the soil to recover after pollution or malprac-
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| − | tices. There for the anthropogenic environmental footprint becomes more pronounce day by day. Several
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| − | prehistoric evidences of intensive land uses eg farming, gardening, road building, exists. Unused land
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| − | occupied by polluted soil or manmade materials could be changed into productive land if more knowledge
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| − | is available about their properties and characteristics. This is only possible by means of a proper clas-
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| − | sification system.
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| − | The demand of any soil classification system is driven by the need to know more about the soil to improve
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| − | and optimize existing production or soil uses eg crop production, infrastructure, environmental rehabilita-
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| − | tion. If there are no such soil uses or if there are still enough other soils to occupy, there will be no need to
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| − | know more about the soils.
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| − | Little is known about the soil quality, management and production improvement of anthropogenic soils,
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| − | but due to the ever increasing demand in land use, the situation demands more occupied land to be re-
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| − | classified for land use purposes. The world wide issue about mine spoils and sustainable rehabilitation
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| − | also requires a proper soil classification of these un-natural soils. To make this knowledge available for all
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| − | present and future land users, contemporary and comprehensive classification systems should be devel-
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| − | oped which should fit into the concept of an international system. The four main issues about classifying
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| − | Anthrosols are:
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| − | 1. What is a soil, when can a medium been regarded as a soil?
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| − | 2. Some Anthrosols are exposed to soil forming processes which are not so pronounced in normal soils
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| − | eg quick oxidation, acidification eg pH change from 9 to 3 in a short period of time.
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| − | 3. Should conventional practices and definitions been revised for Anthrosols? Some characteristics
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| − | and properties of Anthrosols are difficult to describe in context with the conventional system eg
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| − | artificial structure (bricks, plastic bags, bottles in urban soils).
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| − | 4. Should all polluted and disturbed soils been regarded as Anthrosols? All soils disturbed by humans
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| − | eg ploughed fields, should not necessarily be renamed on the highest level (soil form). A technique
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| − | of using prefixes on form and family level may alleviate the problem.
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| − | Ol line
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