Spruce site Sko: Tree mortality data									

Tree mortality (litterfall)									
remarks:	Data from Nilsson and Wiklund (1992)								
	branches weighted (no of months) average over years Sept 1988-1990								
	 								
 	Stems	Branches	Leaves	Coarse roots	 				
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]	 				
1988		49	690						
1989		146	2010						
1990		146	2220						
1991			2560						


Nitrogen content in litterfall									
remarks:	Data from Nilsson and Wiklund (1992)								
									
 	Stems	Branches	Leaves	Coarse roots	 				
year	[mg N g-1(DW)]	[mg N g-1(DW)]	[mg N g-1(DW)]	[mg N g-1(DW)]	 				
1990			11.1						


Root mortality									
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)								
									
 									
Dead 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		880	3670	1390	680	390	120	7130	


Dead 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		888	452	284	115			1739	 
1988	Sept		270	270	60	40			640	
1989	Sept		320	200	80	60			660	
1990	Sept		80	50	40	30			200	


Dead roots 2-5mm							 			
remarks:	no data available										


Nutrient content dead roots											
remarks:	1987 Sept: fine roots 0-2mm; layers: LFH; 0-10; 10-20; 20-V (V=6.2cm); data from Majdi and Persson (1993)										
											

Dead roots <2mm											
											
 	Month	Soil layer	N	P	Ca	Mg	K	Al	Fe	 	 
year	[month]	[cm]	[mg N g-1(DW)]	[mg P g-1(DW)]	[mg Ca g-1(DW)]	[mg Mg g-1(DW)]	[mg K g-1(DW)]	[mg Al g-1(DW)]	[mg Fe g-1(DW)]	 	
1987	Sept	LFH	11.50	0.70	4.20	0.90	0.60	1.7	1.8		
 	 	0-10	10.00	0.80	1.80	0.60	0.60	7.8	9.4		
 		10-20	8.20	0.70	1.20	0.50	0.60	11.3	6.1		
 		20-V	7.40	0.60	1.20	0.40	0.60	12.8	3.5		


Dead roots 2-5mm	
remarks:	no data available
