PLANT AND SOIL GROUPS IN THE ALPINE GRASSLANDS OF THE VANOISE MASSIF, FRENCH ALPS

被引:20
作者
GENSAC, P
机构
关键词
D O I
10.2307/1551304
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The plant-soil relationship above the treeline of the Vanoise Massif (northern French Alps) is studied. The soils are generally poorly developed, widespread crystalline rocks support grasslands characterized by Carex curvula, with Tanacetum alpinum on north-facing slopes and Festuca halleri on south-facing slopes with ranker-type soils (Lithic Cryorthents). On calcareous substrates, there is a clear differentiation between vegetation of limestone and that of calcschists. On limestone, Sesleria caerulea is prevalent, and the soil is usually slightly acidic. On calc-schists the groups are dominated by Elyna myosuroides accompanied by Carex rosae, and the soils (Lithic Cryorthents) are primarily acidic and do not allow a gradual progression towards the groups on crystalline rocks. -from Author
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页码:195 / 201
页数:7
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