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Recent antarctic soil studies suggest that in terrestrial ecosystems of coastal regions soil formation and chemical weathering occur to a greater extent than predicted by former models. This paper summarizes pedogenic findings from the Casey area on the coast of East Antarctica and presents a proposal of soil formation sequences on a large-scale data base. Soil organic matter accumulation and podzolization...
In this paper the concept of soil endemism is elucidated. Endemic soils are restricted to a particular geographic area based on a unique combination of soil-forming factors that may operate from the landscape to the eco-region scale. To validate that soils are endemic, soil bodies occurring on different continents but having a similar combination of soil-forming factors were compared using National...
The sustainable use of the soil resource requires extensive knowledge about its genesis, morphology, and properties. Consequently, soil data are basis for improved land use management and soil conservation. The present study illustrates morphology and physical, chemical and mineralogical properties of the soils developed in the pediplain of Central Benin. The pediments are characterized by different...
The Netherlands has a long history of soil research. Over the past 150years, seven national soil maps have been produced at scales ranging from 1:50,000 to 1:1,000,000. The maps were based on different conceptual models which reflected advances in soil science as well as societal demands. There are four phases in the development of soil mapping in The Netherlands. The first three are: (i) the geological...
The albic horizon, a diagnostic subsurface horizon that is comprised of primary sand and silt particles that are light-colored because they lack clay or iron oxide coatings, is unique in that it is an eluvial horizon that is defined on the basis of a loss rather than a gain of weathering products. Over 3000 official soil descriptions were examined in the US Natural Resources Conservation Service databases...
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