| corkoak2 {datana} | R Documentation |
Datos de biomasa de corcho en árboles de Encino en Portugal.
Description
Mediciones de peso de corcho en árboles muestra de Quercus suber en Portugal.
Usage
corkoak2
Format
- arbol
A correlative number for each sample tree.
- perimetro.cc
is tree circumference at 1.3 m outside bark, in cm.
- perimetro.sc
is tree circumference at 1.3 m under bark, in cm.
- e.corteza
bark thickness, in cm.
- h.desc
is debarking height, in m.
- hcc
height to base of live crown, in m.
- num.ram
number of branches debarked
- diam.copa
crown diameter, in m.
- biomasa
total green weight of the stripped cork, in kg
- estrato
Estrato
Source
Datos cedidos por Prof. Timothy Gregoire (Yale University) y los autores originales mencionaron "After the article was published we discovered a problem with 2 of the observations so Teresa and I decided it was best just to delete them."
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
data(corkoak2)
head(corkoak2)