Maleki2022Volume: Volume Estimation for the main tree species groups in Norway.

Maleki2022VolumeR Documentation

Volume Estimation for the main tree species groups in Norway.

Description

Observe, this function is used to calculate the standing volume at the end of a period.

Usage

Maleki_2022_volume_m3_ha_Norway_Norway_Spruce(dominant_height2, BA2, age2)

Maleki_2022_volume_m3_ha_Norway_Scots_Pine(dominant_height2, BA2, age2)

Maleki_2022_volume_m3_ha_Norway_Broadleaves(dominant_height2, BA2, age2)

Arguments

dominant_height2

Dominant height at end of a period.

BA2

Basal Area m^2 / ha at the end of a period.

age2

Stand total age at the end of a period.

Details

Species E MAE RMSE R^2
Norway Spruce 0.497 12.653 18.335 0.977
Scots Pine 0.111 6.915 9.982 0.986
Broadleaves 0.445 4.62 7.076 0.986

Value

Volume cubic metres / hectare.

Source

Kobra Maleki, Rasmus Astrup, Christian Kuehne, J. Paul McLean & Clara Antón-Fernández (2022) Stand-level growth models for long-term projections of the main species groups in Norway, Scandinavian Journal of Forest Research, DOI: 10.1080/02827581.2022.2056632

See Also

Other Maleki2022: Maleki2022BA, Maleki2022height, Maleki2022ingrowth, Maleki2022stems2, Maleki2022stems


Silviculturalist/forester documentation built on April 20, 2024, 2:13 p.m.