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datana (version 1.0.6)

corkoak: Tree-level cork biomass data for Oak trees in Portugal

Description

Measurements of cork weight in *Quercus suber* (Oak) trees in Portugal.

Usage

corkoak

Arguments

Format

tree

A correlative number for each sample tree.

csc

is tree circumference at 1.3 m outside bark, in cm.

cbc

is tree circumference at 1.3 m under bark, in cm.

bt

bark thickness, in cm.

hdeb

is debarking height, in m.

hblc

height to base of live crown, in m.

nb

number of branches debarked

cr.diam

crown diameter, in m.

w

total green weight of the stripped cork, in kg

stratum

Stratum

References

- Fonseca TJ, Parresol BR. 2001. A new model for cork weight estimation in northern Portugal with methodology for construction of confidence intervals. Forest Ecology and Management 152(1):131–139.

Examples

Run this code
data(corkoak)    
head(corkoak) 

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