ara {ADER} | R Documentation |
Araucaria Seedlings
Description
Counts of Araucaria araucana (Molina) K. Koch seedlings in 26 plots (0.2 ha each) to investigate the effect of management (small stakeholders vs. forestry companies) and cattle pressure (measured indirectly by the number of dungs in each plot).
Usage
data("ara")
Format
A data frame with 26 observations on the following 3 variables.
seedlings
Number of seedlings in each plot.
dungs
Number of cattle dungs in each plot.
property
Owner of the terrain where each plot was set up. A factor with 2 levels,
Campesino
(small stakeholder) andEmpresa Forestal
(forestry company).
Source
Zamorano-Elgueta, C., Cayuela, L., González-Espinosa, C., Lara, A. and Parra-Vázquez, M.R. 2012. Impacts of cattle on the South American temperate forests: Challenges for the conservation of the endangered monkey puzzle tree (Araucaria araucana) in Chile. Biological Conservation 152: 110-118.
Examples
data(ara)
str(ara)