Coastal Plain Halophytes and Their Relation to Soil Ionic Composition

Halophytic coastal communities in Bahia Blanca, Argentina, were examined in relation to soil salinity along a transect from inland to the sea. The relationships between soil electrical conductivity and dominance-abundance values for different species were determined. The 'Chañaral' communi...

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Bibliographic Details
Published in:Vegetatio 1996-02, Vol.122 (2), p.143-150
Main Authors: Krüger, H. R., Peinemann, N.
Format: Article
Language:English
Subjects:
Allenrolfea patagonica
Atriplex undulata
Brackish
Coastal plain soils
Cyclolepis genistoides
Electrical resistivity
Geoffroea decorticans
Halophytes
Heterostachys ritteriana
Plains
Plants
Salicornia ambigua
Soil plant interactions
Soil salinity
Soil salts
Steppe soils
Vegetation
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Summary:Halophytic coastal communities in Bahia Blanca, Argentina, were examined in relation to soil salinity along a transect from inland to the sea. The relationships between soil electrical conductivity and dominance-abundance values for different species were determined. The 'Chañaral' community with its most conspicuous species Geoffroea decorticans was present in soils with the lowest salinity levels in the area. Halophytic underbush develops at soil salinity values of intermediate soil electrical conductivity, the characteristic species being Cyclolepis genistoides, Atriplex undulata and Salicornia ambigua. Halophytic shrub-like steppe vegetation, dominated by Allenrolfea patagonica or Heterostachys ritteriana, is present in soils with high salinity. It is concluded that the ionic composition of plants was a stable characteristic for different species and did not vary with changes in soil salinity.
ISSN:0042-3106
1573-5052
DOI:10.1007/BF00044696