Resumo

PARRA RONDINEL, Fabiola; TORRES GUEVARA, Juan  e  CERONI STUVA, Aldo. Floristic composition and vegetation of an andean microwatershed: el Pachachaca (Huancavelica). Ecol. apl. [online]. 2004, vol.3, n.1-2, pp.9-16. ISSN 1726-2216.

Vegetation and floristic composition of the Pachachaca basin, located in north western Huancavelica were studied from 2001 to 2003. There were registered 180 species belonging to 57 families. Herbaceous life forms dominated over other life forms, and only a few native tree species were registered. Eight representative natural plant formations were identified between grasslands and humid, compact slow-growing vegetation named oconales in the high areas, and shrub vegetation almost all over the basin. Floristic composition shows a large richness in species. Asteraceae were most representative in the middle and lowland areas, Poaceae in the high lands, and Fabaceae in the middle and lowland areas of the watershed.

Palavras-chave : floristic composition; plant formations; oconales; grass lands; shrub vegetation.

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