Maleki2022stems: Number of surviving stems at the end of a period.

Maleki2022stemsR Documentation

Number of surviving stems at the end of a period.

Description

Number of surviving stems at the end of a period.

Usage

Maleki_2022_stems_surviving_Norway_Norway_Spruce(age, age2, stems, SI40)

Maleki_2022_stems_surviving_Norway_Scots_Pine(age, age2, stems, SI40)

Maleki_2022_stems_surviving_Norway_Broadleaves(age, age2, stems, SI40)

Arguments

age

Total stand age.

age2

Total stand age at time 2.

stems

Stand stem density per hectare.

SI40

Site Index H40 (see ?forester::Maleki2022height)

Details

Species E MAE RMSE R^2
Norway Spruce 2.626 48.467 71.777 0.988
Scots Pine 1.561 26.192 37.531 0.994
Broadleaves 2.117 57.370 82.531 0.986

Value

The number of survived trees at the end of the period

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, Maleki2022Volume, Maleki2022height, Maleki2022ingrowth, Maleki2022stems2


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