Positive Effects of Shrubs on Herbaceous Species Richness across Several Spatial Scales: Evidence from the Semiarid Andean Subtropics

Question: What is the effect of shrubs on herbaceous species richness at three spatial scales: quadrat, site, and region? Location: Prepuna, subtropical semi-arid Andes. Methods: At eight sites, we recorded the presence of herbaceous species in spaces beneath shrubs/small trees and in open areas. At...

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Veröffentlicht in:	Journal of Vegetation Science. - Opulus Press. - 20(2009), 4, Seite 728-734
1. Verfasser:	López, Ramiro Pablo (VerfasserIn)
Weitere Verfasser:	Larrea-Alcázar, Daniel M., Ortuño, Teresa
Format:	Online-Aufsatz
Sprache:	English
Veröffentlicht:	2009
Zugriff auf das übergeordnete Werk:	Journal of Vegetation Science
Schlagworte:	Arid and semiarid regions Facilitation Herbaceous species richness Shrubs Small trees Spatial scale Biological sciences Physical sciences