Important   carbon  storage  in a forest vegetation  includes  below ground  carbon  storage  and above ground  carbon  storage.   Carbon  storage  under  the ground  is  higher  than  that  above  ground,  so that soils are critical both  as a source  and sink of  carbon.  The  main  objective  of  this research  is to examine the annual  changes  of  soil carbon  storage  from  year 2001  to year 2003 in the permanent  plots  of  an experimental  plantation   (new plantation  established  in the  year 2001)  and in the  permanent   plots  of control  plot/baseline  (young  secondary  forest),  in Cianten  Experimental   Site, Bogor,  West Java.   Soil carbon content  at 0-30 cm depth  for 0 year old, 1 year old and 2 year old plantations  are 4.14- 9.35%, 4.08  8.83%  and 3.04-  7.61  %, respectively.   Soil carbon  content  at control  plot  for 2001,  2002 and 2003 are 1.86-5.75%,  2.32 - 5.79% and 2.05 - 4.84%,  respectively.   Bulk density  at 0-30 cm soil depth  for 0 year old,  1  year old, and 2 yea.r  old plantations  are 0.38 - 0.5  mg/ m,  0.38 - 0.52%  mg/ m3 and 0.32  - 0.5 mg/ m, respectively.   Bulk density  at control  plot  for 2001,  2002 and 2003 are 0.47 - 0.63  mg/m3,  0.43 -0.6 mg/m3  and 0.4 1- 0.55  mg/m3,  respectively.    The  cumulative  soil carbon  stock  of  Pinus  merkusii plantation  is somewhat  higher  than  that of  baseline in Cianten  Experimental  Site, Bogor, West Java.
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