Publication Date

1993

Description

Within the framework of a project to assess the condition of the communities in a nature reserve, soil variables were compared to vascular species composition of 3 andesite grassland sites. Fifty-five plots were sampled for species cover and for 17 soil variables, Characteristic indicator values (CIV) of each relev6 was also calculated for temperature, moisture, reaction and nitrogen based on species ecological indicator values. In this way 3 data sets have been subjected to multivariate analyses in order to detect dissimilarity among sites. The results show that the measured soil variables have an impact upon species composition: the stands are separated on the basis of both species and soil data. The most important soil variables are: humus, nitrogen, manganese, magnesium content and hydrolytic acidity. CIV proved to be insensible for describing within-community differences,

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Correspondence Between Vegetation and Soil in an Open Grassland

Within the framework of a project to assess the condition of the communities in a nature reserve, soil variables were compared to vascular species composition of 3 andesite grassland sites. Fifty-five plots were sampled for species cover and for 17 soil variables, Characteristic indicator values (CIV) of each relev6 was also calculated for temperature, moisture, reaction and nitrogen based on species ecological indicator values. In this way 3 data sets have been subjected to multivariate analyses in order to detect dissimilarity among sites. The results show that the measured soil variables have an impact upon species composition: the stands are separated on the basis of both species and soil data. The most important soil variables are: humus, nitrogen, manganese, magnesium content and hydrolytic acidity. CIV proved to be insensible for describing within-community differences,