Environmental Factors Influencing Species Richness Expression in Grasslands of the Colombian Orinoquia
Vladimir Minorta-Cely,
Larry Niño,
Orlando Rangel
et al.
Abstract:The relationships between environmental characteristics and species richness in the grasslands of the Colombian Orinoquia are presented and analyzed using an ordinal logistic regression model. Ordinal and scale covariates were included, and their bivariate significance was assessed using Spearman’s rho and Kendall’s Tau-b. The covariates that showed statistical significance with the weighted richness thresholds (WRT) and defined the model were the soil depth and the soil moisture regime, both of which had posi… Show more
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