Spruce site Sko: Tree biomass data											

Stand data											
remarks:	Data from Nilsson and Wiklund (1992)										
											

	Age	Tree density	LAI	Mean Height	DBH	Basal area	Stem volume	Mean annual 	Annual		 
								volume	volume		 
								increment	increment		
year	[yr]	[trees ha-1]	[m2 m-2] 	[m]	[cm]	[m2 ha-1]	[m3 ha-1]	[m3 ha-1]	[m3 ha-1]		
1987	25	2285		12.5	11.3	24.4	147				
1993	31										
1994	32										
1995	33	?	7	15	14.5	34			15		
1996	34										

Stand thinned in ?										


Biomass data - measured										
remarks:	Data from Nilsson and Wiklund (1992; 1995); Nilsson (1997); Persson H. et al. (1995) 									
	harvest in 1988: Jan-Mar; in 1990: Nov-Dec; in 1993: Nov-Febr94									

 	Month	Stems	Stembark	Branches	Dead branches	Leaves	Leaves	Coarse roots	Stump	
		(incl. bark)		(living; incl bark;		(total)	(current)	(5-20mm)	(belowground)	
				incl. twigs <1cm)						
year	[month]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	
1988	Jan-Mar	52840	586	14210	4920	14520		800	700	
1990	Nov-Dec	69860	695	16250	6260	16450		780	720	
1993	Nov-Febr94	85470	 	13450	7230	14000				


Biomass data - yield table based										
remarks:	no data available									


Biomass increment data - measured										
remarks:	Data from Nilsson (1997)									
	given as increment 1988-1990 and 1990-1993; here divided over the years									
										
 	Stems	Branches	Dead branches	Leaves	Coarse roots	 				
	(incl. bark)	(living; incl. bark)								
year	[kg(DW) ha-1 yr-1]	[kg(DW) ha-1 yr-1]	[kg(DW) ha-1 yr-1]	[kg(DW) ha-1 yr-1]	[kg(DW) ha-1 yr-1]	 				
1988	5763	680	447	643	-					
1989	5763	680	447	643	-					
1990	5763	680	447	643	-					
1991	5203	-993	-323	-817	-					
1992	5203	-993	-323	-817	-					
1993	5203	-993	-323	-817	-					


Biomass increment data - yield table based										
remarks:	no data available									


Root data										
remarks:	1987 Sept: fine roots 0-2mm; layers: LFH; 0-10; 10-20; 20-V (V=6.2cm); data from Majdi and Persson (1993)									
	1988 Sept: fine roots 0-2mm; layers: LFH; 0-10; 10-20; 20-30; data from Majdi and Persson (1995)									
	1989 Jun: layers: LFH; 0-10; 10-20; 20-30; 30-40; 40-50; data from Persson H. et al. (1995)									
 	1989 Sept: fine roots 0-2mm; layers: LFH; 0-10; 10-20; 20-30; data from Majdi and Persson (1995)									
	1990 Sept: fine roots 0-2mm; layers: LFH; 0-10; 10-20; 20-30; data from Majdi and Persson (1995)									
	1997 Oct: layers: LFH; 0-10; 10-20; 20-30; 30-40; 40-50; data from Persson H (2000); method: Stober et al (2000)									
							 			
Living fine roots <1mm							 			
									
 	Month	L	FH	0-10	10-20	20-30	30-40	40-50	Total
year	[month]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]
1989	Jun		1460	640	240	120	70	120	2650
1997	Oct		885	321	147	61	25	24	1463


Living fine roots <2mm		 					 		
									
 	Month	L	FH	0-10	10-20	20-30	30-40	40-50	Total
year	[month]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]
1987	Sept		2764	1138	696	324			4922
1988	Sept		3320	1670	960	610			6570
1989	Sept		2520	1330	1040	550			5440
1990	Sept		2140	1420	860	820			5240


Living fine roots 1-2mm		 					 			
										
 	Month	L	FH	0-10	10-20	20-30	30-40	40-50	Total	
year	[month]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	
1990									180	


Roots 2-5mm							 			
										
 	Month	L	FH	0-5	5-10	10-20	20-30	30-40	40-50	Total
year	[month]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]
1990										2920


Coarse roots ( >5mm)							 			
										
 	Month	L	FH	0-5	5-10	10-20	20-30	30-40	40-50	Total
year	[month]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]	[kg(DW) ha-1]
1988										800
1990										780
