SF {idar}

San Francisco forest plot.

Description

Point pattern describing the locations of 822 trees (belonging to 113 species) in the San Francisco forest (southern Ecuador). Accompanied by a phylogenetic tree and a file with wood density of some of the species.

Usage

data(SF)
data(SFphylotree)
data(SFtraits)

Format

SF is an object of class ppp of spatstat representing the point pattern of trees locations, with a data.frame of marks. See ppp.object for details of the format.The dataset has 822 points with the following marks:

species

Species to which each tree belongs

dbh

Diameter at breast height of each tree

SFphylotree is a phylogenetic tree of the class phylo of ape, showing the phylogenetic relationshios among 296 tree species.

SFtraits is a data.frame with just one column, giving the estimated wood density for some of the 296 tree species.

Details

This dataset represents the locations of trees with dbh >= 5 cm in a polygonal plot of approx. 100 x 70 m in the montane forest near to Reserva Biológica San Francisco (Zamora-Chinchipe, southern Ecuador). These are part of the data collected by Vicuña (2016) and other Ecuadorian botanists and have been analyzed several times ( e.g., Chacón et al. 2014). The coordinates of trees are given in meters and the dbh in cm. The phylogenetic tree has been extracted from Phylomatic and calibrated with the BLADJ algorithm of Phylocom. The data about wood density have been compiled from several sources and is expressed in g/cm^3.

Source

Vicuña, R. (2016) Estructura espacial y dinámica del bosque montano del Sur del Ecuador. Interacciones bióticas y limitaciones abióticas. Tesis Doctoral. Universidad Politécnica de Madrid.

References

Chacón-Labella et al. (2014) Negative density dependence and environmental heterogeneity effects on tree ferns across succession in a tropical montane forest. Perspectives in Plant Ecology, Evolution and Systematics 16(2): 52-63.