Classification, Macromorphology and Chemical Characteristics of Folisols From British Columbia

Fox, Catherine A.; Tarnocai, C.; Trowbridge, R.

doi:10.4141/cjss87-074

Cited by 13 publications

(18 citation statements)

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“…The soil in each plot was classified according to the Canadian System of Soil Classification (Soil Classification Working Group 1998); the soil at the Clearwater site was also described with horizon letters as recommended by Fox et al (1987) for Folisols. Soil moisture and nutrient availabilities were estimated according to Leskiw (2006).…”

Section: Soil Sampling and Analysismentioning

confidence: 99%

Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta

Lilles¹,

Purdy²,

Chang³

et al. 2010

Can. J. Soil. Sci.

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. 2010. Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta. Can. J. Soil Sci. 90: 1Á14. The influence of salinity on boreal forest plants is of growing concern today because oil sands mining and other energy-related industrial activities in northern Alberta and elsewhere produce large areas of salt-affected soils that require reclamation and revegetation. We characterized soils (salinity, pH, and nutrient and moisture availabilities) and groundwater at six naturally saline sites in northern Alberta which were occupied by boreal mixedwood forests dominated by aspen (Populus tremuloides Michx.) and white spruce [Picea glauca (Moench) Voss]. Salinity increased with depth in the soil profile and decreased with distance away from adjacent non-forested saline wetlands. In areas where forest vegetation existed, the electrical conductivity (EC e ) of the surface soil (0Á20 cm depth) was always below 4 dS m (2 ; chemical properties of the lower subsurface soil (50Á100 cm depth) and groundwater ranged well above what has been conventionally considered to be suitable for tree growth: EC e ranged from 4 to 23 dS m (2 , sodium adsorption ratio ranged from 13 to 70, and the pH of some soil horizons was above 9.0. These sites had relatively high soil moisture and nutrient availabilities, and we hypothesize that these facilitate survival of forest vegetation on these sites, despite the high levels of salinity.Key words: Salinity tolerance, electrical conductivity, sodium adsorption ratio, alkalinity, boreal forest, reclamationLilles, E. B., Purdy, B. G., Chang, S. X. et Macdonald, S. E. 2010. Proprie´te´s du sol et de l'eau souterraine des sites salinise´s du nord de l'Alberta sur lesquels pousse une foreˆt bore´ale mixte. Can. J. Soil Sci. 90: 1Á14. L'incidence de la salinite´sur la foreˆt bore´ale suscite de plus en plus de pre´occupations de nos jours, car l'exploitation des sables bitumineux et d'autres activite´s industrielles associe´es a`la production d'e´nergie dans le nord de l'Alberta et ailleurs salinisent de grandes superficies dont le sol et la ve´ge´tation doivent ensuite eˆtre restaure´s. Les auteurs ont caracte´rise´le sol (salinite´, pH et quantite´d'e´le´ments nutritifs et d'eau disponible) et la nappe phre´atique de six sites salins naturels du nord de l'Alberta sur lesquels croıˆt une foreˆt bore´ale mixte domine´e par le peuplier faux-tremble (Populus tremuloides Michx.) et l'e´pinette blanche [Picea glauca (Moench) Voss]. La salinite´augmente avec la profondeur, dans le profil du sol, et diminue avec l'e´loignement des terres humides salines adjacentes non boise´es. Aux endroits boise´s, la conductivite´e´lectrique (EC e ) du sol de surface (0 a`20 cm de profondeur) est toujours infe´rieure a`4 dS/m; les proprie´te´s chimiques de la couche infe´rieure du sol (50 a`100 cm de profondeur) et de l'eau souterraine de´passent conside´rablement celles qu'on estime depuis toujours convenir a`la croissance des arbres : l'EC e varie de 4 a`23 dS/m, le rapport...

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Section: Soil Sampling and Analysismentioning

confidence: 99%

Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta

Lilles¹,

Purdy²,

Chang³

et al. 2010

Can. J. Soil. Sci.

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“…The specifrc classification criteria of the four subgroups, the Hemic, Humic, Lignic and Histic Folisol are defined in ACECSS (1987). The rationale for the soil classification of the Folisols, the field macromorphology, and chemical characteristics are described in Trowbridge et al (1985), Fox (1985) and Fox et al (1987). The horizon designations are after concepts in ACECSS (1987) and the proposal for lower case designations for F and H horizons outlined in Fox (1985).…”

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“…Fox (1985) related the spatial distribution of the folic the amount of ligneous material incorporated in the soil (usually from a major tree-fall event having occurred in the past), and the amount of accumulated plant residues. Fox (1985) and Fox et al (1987) (Prescott et al 1993). Site treatments such as fertilization or site preparation by slashburning, cultivation, and herbicides have not given consistently satisfactory improvement in productivity (Weetman et al 1989 al.…”

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“…The Humic, Lignic and Histic Folisol (Table l) Fox (1985), Trowbridge et al (1985) and Fox et al (1987) (Fox et al 1987) From each sample, two thin sections (2 x + cm) were prepared following methodology (8a-0a7) ourlined in Sheldrick (1984). The soil arrangements observed in the thin sections were described according to terminology defined in Brewer (1976) and .…”

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Micromorphological and ¹³C NMR characterization of a Humic, Lignic, and Histic Folisol from British Columbia

Fox¹,

Preston²,

Fyfe³

1994

Can. J. Soil. Sci.

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“…Allowing for much unl;ertainty, the maximum age of Lithic Cryofolists on plutonic and most metamorphic rocks in southeast Alaska is on the order of 1 or 2 thousand yr. Lithic Cryofolists on limestone and marble might be much older. Fox et al (1987) sampled wood from the bottoms of folic horizons, which are well to somewhat poorly drained organic horizons, in coastal British Columbia. The radiocarbon ages of four samples from 50-to 70-cm depths ranged from 420 to 1930 yr, with no apparent depth-age relationship.…”

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confidence: 99%

Influences of Inorganic Substrata on Chemical Properties of Lithic Cryofolists in Southeast Alaska

Alexander

1990

Soil Horizons

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Classification, Macromorphology and Chemical Characteristics of Folisols From British Columbia

Cited by 13 publications

References 1 publication

Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta

Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta

Micromorphological and ¹³C NMR characterization of a Humic, Lignic, and Histic Folisol from British Columbia

Influences of Inorganic Substrata on Chemical Properties of Lithic Cryofolists in Southeast Alaska

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Classification, Macromorphology and Chemical Characteristics of Folisols From British Columbia

Cited by 13 publications

References 1 publication

Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta

Soil and groundwater characteristics of saline sites supporting boreal mixedwood forests in northern Alberta

Micromorphological and 13C NMR characterization of a Humic, Lignic, and Histic Folisol from British Columbia

Influences of Inorganic Substrata on Chemical Properties of Lithic Cryofolists in Southeast Alaska

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Micromorphological and ¹³C NMR characterization of a Humic, Lignic, and Histic Folisol from British Columbia