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  • 1
    Electronic Resource
    Electronic Resource
    Studies on the possible role of cation exchange capacity in the soil preference of mosses (1983)
    Springer
    Plant and soil 70 (1983), S. 77-93 
    Details
    ISSN: 1573-5036
    Keywords: Adsorption ; Calcium ; Calcium carbonate ; Cation Exchange Capacity ; Hydrogen ; Magnesium ; Moss ; pH ; Potassium ; Sodium ; Soil preference
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Moss species with a different soil preference with respect to its acidity and carbonate content also differ in their cation exchange capacity (leaf, stem, rhizoid), the acidiphile-calcifuges having lower C.E.C. values than the neutrophile-calcicoles. The higher the C.E.C. value, the more the divalent cations calcium and magnesium tend to be adsorbed as compared to the monovalents sodium and potassium, from an equinormal tetracationic solution. The increase in divalent adsorption is mainly due to calcium. Considering this differential adsorption of calcium and in view of data in literature on membrane characteristics, it appears that among the studied cations calcium is an important factor in the observed soil preference through its presence in the cell wall adsorbed fraction and thus in the membrane environment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02374752
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Soil preference of populations of genotypes ofAsplenium trichomanes L. andPolypodium vulgare L. in Belgium as related to cation exchange capacity (1983)
    Springer
    Plant and soil 72 (1983), S. 275-282 
    Details
    ISSN: 1573-5036
    Keywords: Aluminium ; Asplenium trichomanes ; CaCO3 ; Calcicole ; Calcifuge ; C.E.C. ; Fern ; Hydrogen pH ; Polypodium vulgare ; Soil preference ; Subspecies
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A number of populations ofPolypodium vulgare L. andAsplenium trichomanes L. were sampled with corresponding soils in Belgium in order to get an idea of their suitability for the investigation of related calcicole and calcifuge taxa. Morphology and cytology enabled us to distinguish the subspecies and the hybrids. Analyses of the soils for pH, CaCO3, Al and H show that subspecies and hybrids have distinct soil preferences and can be characterised as calcicoles-neutrophile/basiphiles or calcifuge-acidiphiles. Physiological implications of the ecological status of the taxa are discussed in the light of their root cation exchange capacity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02181966
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    Paper (German National Licenses)
    Fulltext
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