hdptorico {datana}

Tree height-diameter data of Homalium racemosum in Puerto Rico.

Description

Height and diameter data for Homalium racemosum trees growing in the Caribbean National Forest on the tropical island of Puerto Rico and represent a typical species growing in the subtropical wet life zone.

Usage

data(hdptorico)

Format

Contains three variables, as follows:

tree

Tree id code.

dbh

Diameter at breast height, in cm.

height

Total height of the tree, in meters.

Source

Consider the 40 height-diameter pairs listed in table 1 and were typed by Vivian Marschhausen, a student of Prof Christian Salas-Eljatib.

References

Yuancai L, Parresol B. 2001. Remarks on Height-Diameter Modeling. Res. Note SE-10. U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 8 p.

Examples

data(hdptorico)    
head(hdptorico)