The Canadian System of Soil Classification

About this book

This revised publication replaces The Canadian System of Soil Classification (second edition) published in 1987. The changes incorporated in this current publication are based on the work of the Soil Classification Working Group (SCWG) formerly of the Expert Committee on Soil Survey, and continued by the Land Resource Division of the former Centre for Land and Biological Resources Research. Current taxonomic activities are part of the Land Resources Program of the Eastern Cereal and Oilseed Research Centre, Ottawa, Ontario.

Highlights of the third edition include: A tenth order, Vertisolic, which has been added; Subgroups intergrading to the Vertisolic Order have been added in the Chernozemic, Gleysolic, Luvisolic, and Solonetzic Orders; Major revisions have been carried out to the Cryosolic Order; A complete key to soil classification has been added in chapter 3.

Contents

Part 1 Introduction: history of soil classification in Canada; rationale of soil taxonomy in Canada; summary. Part 2 Soil, pedon, control section and soil horizons: soil and nonsoil; pedon, the basic unit of soil; control section; soil horizons and other layers. Part 3 Outline of the system and a key to the classification of a pedon: outline of the system; classifying a pedon; key to soil orders; key to soil great groups; key to soil subgroups. Part 4 Brunisolic order: distinguishing brunisolic soils from soils of other orders; melanic brunisol; eutric brunisol; sombric brunisol; dystric brunisol. Part 5 Chernozemic order: distinguishing chernozemic soils from soils of other orders; brown chernozem; dark brown chernozem; black chernozem; dark gray chernozem. Part 6 Cryosolic order: turbic cryosol; static cryosol; organic cryosol. Part 7 Gleysolic order: distinguishing gleysolic soils from soils of other orders; luvic gleysol; humic gleysol; gleysol. Part 8 Luvisolic order: distinguishing luvisolic soils from soils of other orders: gray brown luvisol; gray luvisol. Part 9 Organic order: distinguishing organic soils from soils of other orders; fibrisol; mesisol; humisol; folisol. Part 10 Podzolic order: distinguishing podzolic soils from soils of other orders; humic podzol; ferro-humic podzol; humo-ferric podzol. Part 11 Regosolic order: distinguishing regosolic soils from soils of other orders; regosol; humic regosol. Part 12 Solonetzic order: distinguishing solonetzic soils from soils of other orders; solonetz; solodized solonetz; solod; vertic solonetz. Part 13 Vertisolic order: distinguishing vertisolic soils from soils of other orders; vertisol; humic vertisol. Part 14 Soil family and series: family criteria and guidelines for mineral soils; family criteria and guidelines for organic soils; nomenclature for soil families; soil series. Part 15 Soil phase: slope; water erosion; wind erosion; soil deposition; stoniness; rock outcrop; folic; peaty; cryic; cryoturbated; other differentiae. Part 16 Correlation of Canadian soil taxonomy with other systems. Part 17 Terminology for describing soils: example of a pedon description. Part 18 Landform classification: history; scope; objectives; genetic materials; material modifiers; surface expression; slope; modifying processes; qualifying descriptors; mapping conventions.

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