INVESTIGADORES
DIAZ Sandra Myrna
artículos
Título:
Vegetation changes along a precipitation gradient in central Argentina.
Autor/es:
CABIDO, M; GONZÁLEZ, C.; ACOSTA, A.; DÍAZ, S
Revista:
PLANT ECOLOGY
Editorial:
Springer
Referencias:
Lugar: Berlin; Año: 1992 vol. 109 p. 5 - 14
ISSN:
1385-0237
Resumen:
Abstract Changes in vegetation along a precipitation gradient in Central Argentina were studied. Floristic sam ples were taken along an east-west transect of about 300 km. Correlation analysis between precipitation and ordination axes was used to provide an environmental interpretation of vegetation variability. Floristic analysis produced an ordination of plant communities from evergreen forests (precipitation > 500 mm) to desert shrublands and therophyte communities (precipitation < 200 mm). Results showed a trend of floristic and structural impoverishment towards the west. There is a replacement of species along the transect and a shift in dominant growth forms. he first ordination axis is significantly, negatively correlated with annual precipitation.Aclaración: Vegetatio está disponible hasta el año 1999. Actualmente se edita como Plant Ecology.
