ageBh | R Documentation |
Calculate age at breast height from site index, top height and species
ageBh(H40, Ho, SP)
H40 |
site index |
Ho |
top height, i.e. mean o the 100 largest trees with respect to dbh per hectar (m) |
SP |
species code (1=spruce, 2= pine, 3= birch) |
reference age of 40 years
age at breast height
Lennart Noordermeer lennart.noordermeer@gmail.com modified by Maria Aasnes Moan maria.asnes.moan@nmbu.no
H40 <- c(11,14,17,20,23)
Ho <- c(13.995,11.169,21.267,24.81046,28.32)
ageBh( H40 , Ho, 1 )
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