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- Title
DISTRIBUCIÓN DE NANOFANERÓFITAS DE HOJAS SUCULENTAS EN DOS COMUNIDADES LEÑOSAS DEL CHACO SEMIÁRIDO SALINO.
- Authors
Figueroa, María E.; Moglia, Juana G.; Lorenz, Guido; Giménez, Ana M.
- Abstract
Background and aims: In the semi-arid saline Chaco, Argentina, the nanophanerophytes presence and the succulent leaf type are frequent. To determine if the occurrence of both traits is related to soil salinity, this paper describes the distribution of life forms and leaf types in relation to soil salinity between two woody plant communities. M&M: Sampling of woody plant and soil was carried out in both a scrubland and a xerophilous forest on 25 subplots of 100 m2 at each site. Soil electrical conductivity and pH were determined down to a depth of 50 cm. Stratiication and plant cover, abundance, species richness and diversity index were described. The degree of similarity between sites was evaluated according to the number of nanophanerophyte and succulent-leaves shared species, using the Sørensen coeficient. The species were grouped considering simultaneously their life form and leaf type. Relationships between salinity and plant groups were evaluated by means of redundancy analysis. Results: Richness, diversity and structural complexity were greater in the forest. The similarity between sites was low. Succulent-leafed nanophanerophytes were dominant in the scrubland, with high salinity and pH. In the forest, sclerophyllous-leafed microphanerophytes were dominant, with low salinity and pH. Conclusion: The distribution of succulent-leaves nanophanerophytes presented differences according to the salinity of the soil of both woody communities.
- Publication
Boletín de la Sociedad Argentina de Botánica, 2019, Vol 54, Issue 1, p277
- ISSN
0373-580X
- Publication type
Article
- DOI
10.31055/1851.2372.v54.n2.24372