Classification des sols ; Congrès ; Propriétés du sol ; Pédologie ; Sol ; Taxonomie
The A. presents the meeting and its objective: to discuss the various concepts of soil horizons and the role that soil horizons play in soil characterization, classification and mapping. This number of Catena contains selected papers of this meeting.
Numerical classification of some Southern sodic soils
Classification des sols ; Classification numérique ; Géographie physique ; Sol ; Taxonomie ; Zambie ; Zimbabwe
An analysis of a range of soil profiles in Zambia and Zimbabwe was subjected to statistical analysis to determine the validity of various soilclassifications. The soil groups recognised were mutually exclusive and internally showed a high degree
Classification des sols ; Danemark ; Propriété du sol ; Pédogenèse ; Sol ; Statistique ; Variation spatiale
Soil profile investigations were carried out within a national 7 km grid. The profiles were classified according to the 1974 FAO-Unesco SoilClassification System. This paper describes the regional variations in soil profile development
and the related dominant soil formation processes.
Classification des sols ; Météorisation ; Paléosol ; Pédogenèse ; Sol ; Taxonomie
Review of several important volumes on soilclassification published in 1994. This paper also touches upon some other points, in particular deep weathering profiles and classification of paleosols. The concluding section gives recommendations how
to handle soilclassification, deep weathering profiles and paleosols in manuscripts.
This paper examines the application of fuzzy classification to the pH profiles of soils in the alluvial plain of the Lockyer Valley. Fuzzy classification usefully demonstrates relationships between profiles among the transect and is a potentially
valuable method for examining the variability of soil in complex landscapes.
Soil materials, a layer based approach to soil description and classification
Soil horizons
Australia ; Cartography ; Concept ; Land use ; New South Wales ; Soil ; Soilclassification ; Soil properties
Australie ; Cartographie ; Classification des sols ; Concept ; New South Wales ; Propriétés du sol ; Sol ; Utilisation du sol
The Soil Conservation Service of New South Wales (Australia) is mapping soil landscapes at a scale of 1:100,000 and is using a soil layer based entity, termed soil materials, as the basic entity for soil description and classification. This paper
Classification des sols ; Propriétés du sol ; Pédologie ; Sol ; Taxonomie
Soil horizons are the results of pedological processes and classes of soil horizon descriptions are seen as fundamental to soilclassification. A fuzzy-sets approach to horizon classes is suggested to deal with the intergrading and multivariate
Cartographie ; Classification des sols ; Concept ; Propriétés du sol ; Sol ; Symbole cartographique ; Taxonomie
The A-B-C system of horizon nomenclature is shown to be unsatisfactory. A set of six principles for establishing horizons is given. A new nomenclature and symbols are proposed for soil horizons. The symbols can be used as map symbols
Appraisal of World Reference Base for soil resources - from a nordic point of view
Comparative study ; Cultivated land ; Denmark ; Europe ; Finland ; Human impact ; Northern Europe ; Norway ; Podsol ; Soil ; Soilclassification ; Soil properties ; Sweden ; Taxonomy
Action anthropique ; Classification des sols ; Danemark ; Etude comparée ; Europe ; Europe du Nord ; Finlande ; Norvège ; Podzol ; Propriétés du sol ; Sol ; Sol cultivé ; Suède ; Taxonomie
The WRB (World Reference Base for Soil Resources) classification of 13 different soils from Denmark, Finland, Norway and Sweden, is comparedwith the FAO and Soil Taxonomy classification. This highlighted some of the classification problems
. This paper will propose changes to the WRB in order to improve the performance of the system for Nordic soils.
Variation of some soil properties along two toposequences on quartzite schist and banded gneiss in Southwestern Nigeria
Catena ; Land use ; Nigeria ; Soil ; Soilclassification ; Soil properties ; Taxonomy
Catena ; Classification des sols ; Nigéria ; Propriétés du sol ; Sol ; Taxonomie ; Utilisation du sol
This study was undertaken to examine the variation of some soil properties along the toposeqence to illustrate the need for such approach to complement soilclassification in allocating areas of land to specific uses along the toposequence
Classification of tropical lowland peats revisited : The case of Sarawak
Land use ; Malaysia ; Peat ; Sarawak ; Soilclassification ; Taxonomy ; Tropical zone
Classification des sols ; Malaisie ; Sarawak ; Taxonomie ; Tourbe ; Utilisation du sol ; Zone intertropicale
Classification systems based on Keys to Soil Taxonomy and the World Reference Base for Soil Resources (WRB) although universal are believed to be more suitable for temperate peats. This study compares these classification systems with the latest
well the presence of decomposed and undecomposed wood, which is a distinct feature of tropical peat. It is highlighted that both the Soil Taxonomy and the WRB classification can possibly be improved to also describe tropical peats by adopting some
Malaysian classification system for classifying and characterising tropical peats. The results showed that the latest Malaysian classification system has an advantage for classifying and characterising tropical peats. This latest classification describes
Comparison of international, national and farmers'classification systems, applied to soils of the Western Dagomba District
Agropedology ; Crop yield ; Environmental management ; Farmer ; Ghana ; Land use ; Soil ; Soilclassification ; Soil properties ; Sustainable development ; Taxonomy
Agriculteur ; Agropédologie ; Classification des sols ; Développement durable ; Gestion de l'environnement ; Ghana ; Propriétés du sol ; Rendement agricole ; Sol ; Taxonomie ; Utilisation du sol
Selected soils developed on the Voltaian Shale formation have been studied. Classification of a vertic and a lateritic soil is compared in 4 systems : 1) Soil Taxonomy (Soil Survey Staff 1996), 2) FAO-UNESCO (1990), 3) the Ghanaian soil
classification system (Brammer 1962), and 4) the local Farmer's classification system (Mikkelsen 1994). The comparison deals with the quantity and quality of information provided by each classification name. It is recommended that soil surveys should make
Some AA. consider the deposition of soil material in urban environments as anthropogenic pedogenesis, and hence classify soils on this materials as Auftragsboden (deposit soils) or Urbic Anthrosols. But soils on or near landfills and sewage sludge
Catena ; Cultural capacity ; Nature park ; Portugal ; Soil ; Soil catena ; Soilclassification ; Soil evolution ; Soil properties ; Soil science
Aptitude culturale ; Arrábida ; Catena ; Chaîne de sols ; Classification des sols ; Evolution du sol ; Fertilité des sols ; Parc naturel ; Portugal ; Propriétés du sol ; Pédologie ; Sol
Etude des sols de 4 catenae découpant le Parc naturel de l'Arrábida. Classification FAO de ces sols et comparaison avec la classification utilisée dans la Carte des sols du Portugal. - (DBF)