SciELO - Scientific Electronic Library Online

 
vol.14 número1Caracterización de un bosque de queñual (Polylepis spp.) ubicado en el Distrito de Huasta, Provincia de Bolognesi (Ancash, Perú)Fenología y productividad primaria neta aérea de sistemas pastoriles de Panicum maximun en el dpto. Moreno, Santiago del Estero, Argentina, derivada del NDVI MODIS índice de autoresíndice de materiabúsqueda de artículos
Home Pagelista alfabética de revistas  

Servicios Personalizados

Revista

Articulo

Indicadores

  • No hay articulos citadosCitado por SciELO

Links relacionados

Compartir


Ecología Aplicada

versión impresa ISSN 1726-2216

Resumen

RAMOS, Daniel; CASTRO, Viviana  y  SANCHEZ, Edgar. Vegetation characterization along an altitudinal gradient in the Cochahuayco community, middle basin of the Lurin river, Lima. Ecol. apl. [online]. 2015, vol.14, n.1, pp.11-25. ISSN 1726-2216.

There are many studies on vegetation and ecosystem characterization in the occidental slope of the Central Andes of Peru. However the knowledge of the vegetation of the highlands of Lima is limited. Therefore, we conducted a study of the vegetation in the middle basin of the Lurin river, department of Lima. The aim was to characterize the upland vegetation of the Cochahuayco community according to an altitudinal gradient, ranging from 1720 to 2957 masl, based on samples and field observations. We established eight sampling units along the gradient, following a systematic sampling model with random start. The sampling units were evaluated on a quarterly basis from july-2009 to july-2010. Five vegetation units were differentiated, based on the composition, abundance and coverage of species of the shrub layer. These units were: Cacti Zone (between 1720 and 2000 masl), where Haageocereus acranthus and Espostoa melanostele were the dominant cacti; Bastardia Zone (from 2000 to 2230 masl), where Bastardia bivalvis was dominant; Tall shrubs Zone (from 2230 to 2500 masl), where Euphorbia cf. laurifolia and Perymenium jelskii were dominant; Sub-thorny shrubs Zone (from 2500 to 2850 masl), where Verbesina saubinetioides was dominant; and Thorny Shrubs Zone (from 2850 to 2957 masl), where Proustia cuneifolia was dominant. The first two units fell within the Subtropical desert scrub life zone, and the other three in the Lower montane thorn steppe life zone; all these belonged to the shrub thicket coverage type.

Palabras clave : Plant density; plant cover; species composition; vegetation units; shrub layer; life zones; Lima highlands.

        · resumen en Español     · texto en Español     · Español ( pdf )

 

Creative Commons License Todo el contenido de esta revista, excepto dónde está identificado, está bajo una Licencia Creative Commons