Floristic and community diversity of sub-alpine and alpine grasslands and grazed dwarf-shrub heaths in the Romanian Carpathians

Gheorghe Coldea; Vasile Cristea

doi:10.3989/pirineos.1998.v151-152.119

Floristic and community diversity of sub-alpine and alpine grasslands and grazed dwarf-shrub heaths in the Romanian Carpathians

Authors

Gheorghe Coldea Institute of Biological Research
Vasile Cristea Babeé-Bolyai University, Faculty of Biology

DOI:

https://doi.org/10.3989/pirineos.1998.v151-152.119

Keywords:

Sub-alpine and alpine grassland, dwarf-shrub heath, vegetation diversity

Abstract

Floristic diversity at community level and community diversity at landscape level are presented for the main grassland and dwarf-shrub communities in the sub-alpine and alpine zones in five mountain ranges of the Romanian Carpathians. The 30 plant communities studied had their floristic composition and distribution determined by geological substratum and pedo-climatic factors. The most diverse grasslands (Oxytropido-Elynetum, Seslerio haynaldianae-Caricetun) were on calcareous substratum and on the mountain slopes (Festucetum pictae), whilst the lowest diversity was in the oligo-mesotrophic sub-alpine grasslands (Scorzonero- Festucetum nigricantis, Alchemillo-Poetum alpinae, Violo-Nardetum). The Shannon-Weaver diversity index for the communities increased almost linearly with the number of species per community, whilst community diversity in the five mountain ranges was a function of the number of communities per mountain range.

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Published

1998-12-30

How to Cite

Coldea, G., & Cristea, V. (1998). Floristic and community diversity of sub-alpine and alpine grasslands and grazed dwarf-shrub heaths in the Romanian Carpathians. Pirineos, 151-152, 73–82. https://doi.org/10.3989/pirineos.1998.v151-152.119

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Issue

Vol. 151-152 (1998)

Section

Articles

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