Carbon Balance and Management

Table 2 Coefficients of biomass function for trees ≥10 cm DBH

From: Comparison of calculation methods for estimating annual carbon stock change in German forests under forest management in the German greenhouse gas inventory

Tree species	b₀	b₁	b₂	b₃	k₁	k₂	RMSE (%)
Spruce	0.75285	2.84985	6.03036	0.62188	42.0	24.0	11.2
Pine	0.33778	2.84055	6.34964	0.62755	18.0	23.0	15.6
Beech	0.16787	6.25452	6.64752	0.80745	11.0	135.0	18.8
Oak	0.09428	10.26998	8.13894	0.55845	400.0	8.0	12.1
Soft hardwoods	0.27278	4.19240	5.96298	0.81031	13.7	66.8	50.0¹

RMSE root mean square error
^a For this function, no figure for RMSE (%) is available. Therefore the IPCC default value 50 % has been used, as described in the IPCC guidelines and good practice guidance

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ISSN: 1750-0680

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