Dynamic assessment of ecosystem carbon storage can help reveal the drive mechanism of global change on ecosystem carbon cycle,and can also provide decision support for the integrated ecosystem management.In the present study,we adopted an Integrated Valuation of Environmental Services and Tradeoffs(InVEST)model,and combined the forest resources inventory data(1992,2007,2012)with the field investigated data to conduct a dynamic assessment of plant carbon storage in Baoxing County,Sichuan Province.Our result shows that the total carbon density increased from 23.19t/hm2 in 1992 to 50.68t/hm2 in 2012.The biological carbon storage in Baoxing ecosystem was 24.57×104t,1327.36×104t and 1582.94×104t in 1992,2007 and 2012,respectively,and annual growth rate was 3.98%.Our study suggests that over past twenty years vegetation in this area played a strong role in carbon sequestration,and the increase of plant carbon storage is mainly due to the increase of carbon sequestration in forestland,which were 457.98×104t,1059.72×104t and 1376.57×104t in these three years,respectively.Spatial distribution area with high carbon density is expanding during the past twenty years,which is still located in medium altitude mountainous areas.
YUAN Zhifen
,
HUANG Guilin
,
MO Hongwei
,
SHEN Ruichang
,
XU Ming
,
QIU Shuai
,
ZHAO Fengxia
,
LI Renqiang
. Dynamic Assessment of the Plant Carbon Storage in Baoxing County of Sichuan Province[J]. Forest and Grassland Resources Research, 2014
, 0(1)
: 82
-88
.
DOI: 10.13466/j.cnki.lyzygl.2014.01.017
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