Biomass, Carbon and Nitrogen Distribution in Living Woody Plant Parts of Robinia pseudoacacia L. Growing on Reclamation Sites in the Mining Region of Lower Lusatia (Northeast Germany)

Table 1

Site descriptions of the three experimental sites with one-, two-, and twelve-year-old stands of Robinia pseudoacacia.

	WIII	WII	WI
Area (ha)	8.6	13.2	<2.5
Site installation	2006	2005	1995
Origin of R. pseudoacacia	Müncheberg/Calvörde, Germany	Bihor, Romania	Unknown
Plant age at sampling (years)	1	2	12
Plant spacing	Double row: (1.80 m + 0.75 m) × 0.85 m		Single row: 1.9 m × 0.8 m
Unit soil area per plant (m^2)	1.08	1.08	1.52
Density (plants per ha)	9200	9200	6500