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Abstract:

The presence of species and their cover values together with soil and topographic characteristics were recorded at 40 sites along an altitudinal gradient of the Puna Belt at Pozuelos, in the High Andes in northwest Argentina. Classification and ordination of plant assemblages showed that soil and topography were the best predictors of the variation in species distribution. The different plant assemblages which occur along the topographic gradient follow the geographic variation in rainfall in this Andean region. Perennial bushes and grasses colonize the plains and slopes with fine textured soils which retain their water content. In contrast, deciduous bushes and cactuses grow on steep, rocky, dry slopes. Open woods also occur on east-facing steep, rocky slopes which are sheltered from winds. © 1995 Kluwer Academic Publishers.

Registro:

Documento: Artículo
Título:The vegetation of the Puna Belt at laguna de Pozuelos Biosphere Reserve in northwest Argentina
Autor:Bonaventura, S.M.; Tecchi, R.; Vignale, D.
Filiación:Dto. de Biología, Facultad de Cs. Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, Piso 4to., Buenos Aires, 1428, Argentina
Instituto de Biología de la Altura, Universidad Nacional de Jujuy, Bolivia 2335, San Salvador de Jujuy, 4600, Argentina
Facultad de Ciencias Agrarias, Universidad Nacional de Jujuy, Alberdi 47, San Salvador de Jujuy, 4600, Argentina
Palabras clave:Classification; Plant community type; Plant distribution; Principal Components Analysis; Soil type; altitudinal gradient; plant community; puna; Argentina, Laguna de Pozuelos Biosphere Reserve; South America, Andes
Año:1995
Volumen:119
Número:1
Página de inicio:23
Página de fin:31
DOI: http://dx.doi.org/10.1007/BF00047368
Título revista:Vegetatio
Título revista abreviado:Vegetatio
ISSN:00423106
CODEN:VGTOA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00423106_v119_n1_p23_Bonaventura

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Citas:

---------- APA ----------
Bonaventura, S.M., Tecchi, R. & Vignale, D. (1995) . The vegetation of the Puna Belt at laguna de Pozuelos Biosphere Reserve in northwest Argentina. Vegetatio, 119(1), 23-31.
http://dx.doi.org/10.1007/BF00047368
---------- CHICAGO ----------
Bonaventura, S.M., Tecchi, R., Vignale, D. "The vegetation of the Puna Belt at laguna de Pozuelos Biosphere Reserve in northwest Argentina" . Vegetatio 119, no. 1 (1995) : 23-31.
http://dx.doi.org/10.1007/BF00047368
---------- MLA ----------
Bonaventura, S.M., Tecchi, R., Vignale, D. "The vegetation of the Puna Belt at laguna de Pozuelos Biosphere Reserve in northwest Argentina" . Vegetatio, vol. 119, no. 1, 1995, pp. 23-31.
http://dx.doi.org/10.1007/BF00047368
---------- VANCOUVER ----------
Bonaventura, S.M., Tecchi, R., Vignale, D. The vegetation of the Puna Belt at laguna de Pozuelos Biosphere Reserve in northwest Argentina. Vegetatio. 1995;119(1):23-31.
http://dx.doi.org/10.1007/BF00047368