Cambios florísticos y fisonómicos de la vegetación y su relación con la capa carbonatico-cálcica, en área vitivinícola, Mendoza, Argentina.
BOLETIN DE LA SOCIEDAD ARGENTINA DE BOTANICA(2019)
摘要
Background and aims: The province of Mendoza is characterized by a growing development of the cultivation of the vine. Its expansion has led to the occupation of areas with the presence of a layer of calcium carbonate. Our objective was to determine the depth of the "caliche" through the identification of plant communities and their zoning for use in the cultivation of the vine. M&M: The work was carried out in an area of 60 hectares. Twenty seven phytosociological surveys and 27 Point-quadrat transects were carried out in the field to determine the vegetation cover. In each the depth of the caliche was measured through the perforation technique and the hight of the dominant plant species were evaluated. Results: There were 68 plant species recorded. The dominant matrix was represented by Larrea divaricata. Five floristic UV and physiognomic 5 UV were identified, finding a positive relationship between them. Caliche depth varied between 0-150 cm. The floristic UV showed an overlap in the depth of the caliche, but not the physiognomic UV. Geoffroea decorticans and Senna aphylla were indicators of the presence of caliche. Conclusions: The present work offers an alternative tool for the sampling of caliche depth, of low cost, high potential and effectiveness of use.
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关键词
Caliche,cultivation,semiarid zone,vine
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